diff --git a/ARC700/CANDU 2.1/candu_2-1.py b/ARC700/CANDU 2.1/candu_2-1.py
new file mode 100644
index 0000000..2f35d49
--- /dev/null
+++ b/ARC700/CANDU 2.1/candu_2-1.py
@@ -0,0 +1,423 @@
+#!/usr/bin/env python3
+
+"""
+ ====================================================
+ Description: ACR1000 Assembly 43 Fuel pins
+ Case: Problem (43 fuel pins)
+ Written By: Ahmed K Madani
+ Conversion: Adam Parler
+ Date: 12/03/2023
+ ====================================================
+"""
+
+import os
+import openmc
+
+try:
+ os.mkdir(os.path.dirname(os.path.realpath(__file__)) + '/problem')
+except OSError: pass
+
+################## MATERIALS ##################
+
+fuel_21_hot = openmc.Material(material_id=11)
+fuel_21_hot.set_density("g/cc", 9.82)
+fuel_21_hot.temperature = 1200 # K (42c=300K, 50c=293.6, 53c=587.2, 66=293.6, 70c=293.6, 71c=600K, 72c=900K, 73c=1200K, 74c=2500K)
+fuel_21_hot.add_nuclide("U235", 2.1, percent_type="wo")
+fuel_21_hot.add_nuclide("U238", 97.9, percent_type="wo")
+fuel_21_hot.add_nuclide("O16", 13.4529, percent_type="wo")
+
+fuel_21_mid = openmc.Material(material_id=12)
+fuel_21_mid.set_density("g/cc", 9.82)
+fuel_21_mid.temperature = 900
+fuel_21_mid.add_nuclide("U235", 2.1, percent_type="wo")
+fuel_21_mid.add_nuclide("U238", 97.9, percent_type="wo")
+fuel_21_mid.add_nuclide("O16", 13.4529, percent_type="wo")
+
+fuel_21_low = openmc.Material(material_id=13)
+fuel_21_low.set_density("g/cc", 10.298)
+fuel_21_low.temperature = 900
+fuel_21_low.add_nuclide("U235", 2.1, percent_type="wo")
+fuel_21_low.add_nuclide("U238", 97.9, percent_type="wo")
+fuel_21_low.add_nuclide("O16", 13.4529, percent_type="wo")
+
+fuel_21_dep = openmc.Material(material_id=14)
+fuel_21_dep.set_density("g/cc", 10.298)
+fuel_21_dep.temperature = 900
+fuel_21_dep.add_nuclide("U235", 0.72, percent_type="wo")
+fuel_21_dep.add_nuclide("U238", 99.28, percent_type="wo")
+fuel_21_dep.add_nuclide("O16", 13.4529, percent_type="wo")
+fuel_21_dep.add_nuclide("Dy160", 0.1735, percent_type="wo")
+fuel_21_dep.add_nuclide("Dy161", 1.418, percent_type="wo")
+fuel_21_dep.add_nuclide("Dy162", 1.915, percent_type="wo")
+fuel_21_dep.add_nuclide("Dy163", 1.861, percent_type="wo")
+fuel_21_dep.add_nuclide("Dy164", 2.1317, percent_type="wo")
+
+clad = openmc.Material(material_id=2)
+clad.set_density("g/cc", 7.48)
+clad.temperature = 600
+clad.add_nuclide("O16", 0.125, percent_type="wo")
+clad.add_nuclide("Cr50", 0.004345, percent_type="wo")
+clad.add_nuclide("Cr52", 0.083789, percent_type="wo")
+clad.add_nuclide("Cr53", 0.009501, percent_type="wo")
+clad.add_nuclide("Cr54", 0.002365, percent_type="wo")
+clad.add_nuclide("Sn112", 0.014065, percent_type="wo")
+clad.add_nuclide("Sn114", 0.00957, percent_type="wo")
+clad.add_nuclide("Sn115", 0.00493, percent_type="wo")
+clad.add_nuclide("Sn116", 0.21083, percent_type="wo")
+clad.add_nuclide("Sn117", 0.11136, percent_type="wo")
+clad.add_nuclide("Sn118", 0.35119, percent_type="wo")
+clad.add_nuclide("Sn119", 0.124555, percent_type="wo")
+clad.add_nuclide("Sn120", 0.47241, percent_type="wo")
+clad.add_nuclide("Sn122", 0.067135, percent_type="wo")
+clad.add_nuclide("Sn124", 0.083955, percent_type="wo")
+clad.add_nuclide("Fe54", 0.0122745, percent_type="wo")
+clad.add_nuclide("Fe56", 0.1926834, percent_type="wo")
+clad.add_nuclide("Fe57", 0.0044499, percent_type="wo")
+clad.add_nuclide("Fe58", 0.0005922, percent_type="wo")
+clad.add_nuclide("Zr90", 50.48, percent_type="wo")
+clad.add_nuclide("Zr91", 11, percent_type="wo")
+clad.add_nuclide("Zr92", 16.83, percent_type="wo")
+clad.add_nuclide("Zr94", 17.05, percent_type="wo")
+clad.add_nuclide("Zr96", 2.75, percent_type="wo")
+
+water = openmc.Material(material_id=3)
+water.set_density("g/cc", 0.71273)
+water.temperature = 600
+water.add_nuclide("H1", 2/3, percent_type="ao")
+water.add_nuclide("O16", 1/3, percent_type="ao")
+water.add_s_alpha_beta(name='c_H_in_H2O')
+
+tube = openmc.Material(material_id=4)
+tube.set_density("g/cc", 6.57)
+tube.temperature = 600
+tube.add_nuclide("Zr90", 50.16, percent_type="wo")
+tube.add_nuclide("Zr91", 10.94, percent_type="wo")
+tube.add_nuclide("Zr92", 16.72, percent_type="wo")
+tube.add_nuclide("Zr94", 16.945, percent_type="wo")
+tube.add_nuclide("Zr96", 2.73, percent_type="wo")
+tube.add_nuclide("Nb93", 2.5, percent_type="wo")
+
+graphite = openmc.Material(material_id=5)
+graphite.set_density("g/cc", 0.0017)
+graphite.add_nuclide("O16", 2/3, percent_type="ao")
+graphite.add_nuclide("C0", 1/3, percent_type="ao")
+graphite.add_s_alpha_beta(name='c_Graphite')
+
+cal_zirc = openmc.Material(material_id=6)
+cal_zirc.set_density("g/cc", 6.44)
+cal_zirc.temperature = 600
+cal_zirc.add_nuclide("O16", 0.125, percent_type="wo")
+cal_zirc.add_nuclide("Cr50", 0.004345, percent_type="wo")
+cal_zirc.add_nuclide("Cr52", 0.083789, percent_type="wo")
+cal_zirc.add_nuclide("Cr53", 0.009501, percent_type="wo")
+cal_zirc.add_nuclide("Cr54", 0.002365, percent_type="wo")
+cal_zirc.add_nuclide("Sn112", 0.014065, percent_type="wo")
+cal_zirc.add_nuclide("Sn114", 0.00957, percent_type="wo")
+cal_zirc.add_nuclide("Sn115", 0.00493, percent_type="wo")
+cal_zirc.add_nuclide("Sn116", 0.21083, percent_type="wo")
+cal_zirc.add_nuclide("Sn117", 0.11136, percent_type="wo")
+cal_zirc.add_nuclide("Sn118", 0.35119, percent_type="wo")
+cal_zirc.add_nuclide("Sn119", 0.124555, percent_type="wo")
+cal_zirc.add_nuclide("Sn120", 0.47241, percent_type="wo")
+cal_zirc.add_nuclide("Sn122", 0.067135, percent_type="wo")
+cal_zirc.add_nuclide("Sn124", 0.083955, percent_type="wo")
+cal_zirc.add_nuclide("Fe54", 0.0122745, percent_type="wo")
+cal_zirc.add_nuclide("Fe56", 0.1926834, percent_type="wo")
+cal_zirc.add_nuclide("Fe57", 0.004431, percent_type="wo")
+cal_zirc.add_nuclide("Fe58", 0.0005922, percent_type="wo")
+cal_zirc.add_nuclide("Zr90", 50.16, percent_type="wo")
+cal_zirc.add_nuclide("Zr91", 10.94, percent_type="wo")
+cal_zirc.add_nuclide("Zr92", 16.72, percent_type="wo")
+cal_zirc.add_nuclide("Zr94", 17.94, percent_type="wo")
+cal_zirc.add_nuclide("Zr96", 2.73, percent_type="wo")
+
+heavy_water = openmc.Material(material_id=7)
+heavy_water.set_density("g/cc", 1.07801)
+heavy_water.temperature = 1200
+heavy_water.add_nuclide("O16", 1, percent_type="ao")
+heavy_water.add_nuclide("H2", 1.996, percent_type="ao")
+heavy_water.add_nuclide("H1", 0.004,percent_type="ao")
+heavy_water.add_s_alpha_beta(name='c_H_in_H2O')
+heavy_water.add_s_alpha_beta(name='c_D_in_D2O')
+
+materials_file = openmc.Materials([fuel_21_hot, fuel_21_mid, fuel_21_low, fuel_21_dep, clad, water, tube, graphite, cal_zirc, heavy_water])
+materials_file.export_to_xml(path="problem/materials.xml")
+
+################## GEOMETRY ##################
+
+surf1 = openmc.ZCylinder(x0=0.0, y0= 4.384, r = 0.536)
+surf2 = openmc.ZCylinder(x0=1.293, y0= 4.189, r = 0.536)
+surf3 = openmc.ZCylinder(x0=2.47, y0= 3.622, r = 0.536)
+surf4 = openmc.ZCylinder(x0=3.429, y0= 2.732, r = 0.536)
+surf5 = openmc.ZCylinder(x0=4.082, y0= 1.600, r = 0.536)
+surf6 = openmc.ZCylinder(x0=4.372, y0= 0.325, r = 0.536)
+surf7 = openmc.ZCylinder(x0=4.273, y0= -0.980, r = 0.536)
+surf8 = openmc.ZCylinder(x0=3.795, y0= -2.200, r = 0.536)
+surf9 = openmc.ZCylinder(x0=2.979, y0= -3.220, r = 0.536)
+surf10 = openmc.ZCylinder(x0=1.898, y0= -3.950, r = 0.536)
+surf11 = openmc.ZCylinder(x0=0.648, y0= -4.340, r = 0.536)
+surf12 = openmc.ZCylinder(x0=-1.293, y0= 4.189, r = 0.536)
+surf13 = openmc.ZCylinder(x0=-2.47, y0= 3.622, r = 0.536)
+surf14 = openmc.ZCylinder(x0=-3.429, y0= 2.732, r = 0.536)
+surf15 = openmc.ZCylinder(x0=-4.082, y0= 1.600, r = 0.536)
+surf16 = openmc.ZCylinder(x0=-4.372, y0= 0.325, r = 0.536)
+surf17 = openmc.ZCylinder(x0=-4.273, y0= -0.980, r = 0.536)
+surf18 = openmc.ZCylinder(x0=-3.795, y0= -2.200, r = 0.536)
+surf19 = openmc.ZCylinder(x0=-2.979, y0= -3.220, r = 0.536)
+surf20 = openmc.ZCylinder(x0=-1.898, y0= -3.950, r = 0.536)
+surf21 = openmc.ZCylinder(x0=-0.648, y0= -4.340, r = 0.536)
+surf22 = openmc.ZCylinder(x0=0.684, y0= 2.998, r = 0.536)
+surf23 = openmc.ZCylinder(x0=1.918, y0= 2.404, r = 0.536)
+surf24 = openmc.ZCylinder(x0=2.771, y0= 1.333, r = 0.536)
+surf25 = openmc.ZCylinder(x0=3.075, y0= 0.000, r = 0.536)
+surf26 = openmc.ZCylinder(x0=2.77, y0= -1.340, r = 0.536)
+surf27 = openmc.ZCylinder(x0=1.915, y0= -2.410, r = 0.536)
+surf28 = openmc.ZCylinder(x0=0.681, y0= -3.000, r = 0.536)
+surf29 = openmc.ZCylinder(x0=-0.69, y0= -3.000, r = 0.536)
+surf30 = openmc.ZCylinder(x0=-1.92, y0= -2.400, r = 0.536)
+surf31 = openmc.ZCylinder(x0=-2.77, y0= -1.330, r = 0.536)
+surf32 = openmc.ZCylinder(x0=-3.07, y0= -0.006, r = 0.536)
+surf33 = openmc.ZCylinder(x0=-2.77, y0= 1.340, r = 0.536)
+surf34 = openmc.ZCylinder(x0=-1.91, y0= 2.408, r = 0.536)
+surf35 = openmc.ZCylinder(x0=-0.68, y0= 3.000, r = 0.536)
+surf36 = openmc.ZCylinder(x0=0.0, y0= 1.730, r = 0.631)
+surf37 = openmc.ZCylinder(x0=1.353, y0= 1.078, r = 0.631)
+surf38 = openmc.ZCylinder(x0=1.686, y0= -0.390, r = 0.631)
+surf39 = openmc.ZCylinder(x0=0.749, y0= -1.560, r = 0.631)
+surf40 = openmc.ZCylinder(x0=-0.75, y0= -1.560, r = 0.631)
+surf41 = openmc.ZCylinder(x0=-1.69, y0= -0.380, r = 0.631)
+surf42 = openmc.ZCylinder(x0=-1.35, y0= 1.082, r = 0.631)
+surf43 = openmc.ZCylinder(x0=0.00, y0= 0.00, r = 0.631)
+surf44 = openmc.ZCylinder(x0=0.0, y0= 4.384, r = 0.575)
+surf45 = openmc.ZCylinder(x0=1.293, y0= 4.189, r = 0.575)
+surf46 = openmc.ZCylinder(x0=2.47, y0= 3.622, r = 0.575)
+surf47 = openmc.ZCylinder(x0=3.429, y0= 2.732, r = 0.575)
+surf48 = openmc.ZCylinder(x0=4.082, y0= 1.600, r = 0.575)
+surf49 = openmc.ZCylinder(x0=4.372, y0= 0.325, r = 0.575)
+surf50 = openmc.ZCylinder(x0=4.273, y0= -0.980, r = 0.575)
+surf51 = openmc.ZCylinder(x0=3.795, y0= -2.200, r = 0.575)
+surf52 = openmc.ZCylinder(x0=2.979, y0= -3.220, r = 0.575)
+surf53 = openmc.ZCylinder(x0=1.898, y0= -3.950, r = 0.575)
+surf54 = openmc.ZCylinder(x0=0.648, y0= -4.340, r = 0.575)
+surf55 = openmc.ZCylinder(x0=-1.293, y0= 4.189, r = 0.575)
+surf56 = openmc.ZCylinder(x0=-2.47, y0= 3.622, r = 0.575)
+surf57 = openmc.ZCylinder(x0=-3.429, y0= 2.732, r = 0.575)
+surf58 = openmc.ZCylinder(x0=-4.082, y0= 1.600, r = 0.575)
+surf59 = openmc.ZCylinder(x0=-4.372, y0= 0.325, r = 0.575)
+surf60 = openmc.ZCylinder(x0=-4.273, y0= -0.980, r = 0.575)
+surf61 = openmc.ZCylinder(x0=-3.795, y0= -2.200, r = 0.575)
+surf62 = openmc.ZCylinder(x0=-2.979, y0= -3.220, r = 0.575)
+surf63 = openmc.ZCylinder(x0=-1.898, y0= -3.950, r = 0.575)
+surf64 = openmc.ZCylinder(x0=-0.648, y0= -4.340, r = 0.575)
+surf65 = openmc.ZCylinder(x0=0.684, y0= 2.998, r = 0.575)
+surf66 = openmc.ZCylinder(x0=1.918, y0= 2.404, r = 0.575)
+surf67 = openmc.ZCylinder(x0=2.771, y0= 1.333, r = 0.575)
+surf68 = openmc.ZCylinder(x0=3.075, y0= 0.000, r = 0.575)
+surf69 = openmc.ZCylinder(x0=2.77, y0= -1.340, r = 0.575)
+surf70 = openmc.ZCylinder(x0=1.915, y0= -2.410, r = 0.575)
+surf71 = openmc.ZCylinder(x0=0.681, y0= -3.000, r = 0.575)
+surf72 = openmc.ZCylinder(x0=-0.69, y0= -3.000, r = 0.575)
+surf73 = openmc.ZCylinder(x0=-1.92, y0= -2.400, r = 0.575)
+surf74 = openmc.ZCylinder(x0=-2.77, y0= -1.330, r = 0.575)
+surf75 = openmc.ZCylinder(x0=-3.07, y0= -0.006, r = 0.575)
+surf76 = openmc.ZCylinder(x0=-2.77, y0= 1.340, r = 0.575)
+surf77 = openmc.ZCylinder(x0=-1.91, y0= 2.408, r = 0.575)
+surf78 = openmc.ZCylinder(x0=-0.68, y0= 3.000, r = 0.575)
+surf79 = openmc.ZCylinder(x0=0.0, y0= 1.730, r = 0.675)
+surf80 = openmc.ZCylinder(x0=1.353, y0= 1.078, r = 0.675)
+surf81 = openmc.ZCylinder(x0=1.686, y0= -0.390, r = 0.675)
+surf82 = openmc.ZCylinder(x0=0.749, y0= -1.560, r = 0.675)
+surf83 = openmc.ZCylinder(x0=-0.75, y0= -1.560, r = 0.675)
+surf84 = openmc.ZCylinder(x0=-1.69, y0= -0.380, r = 0.675)
+surf85 = openmc.ZCylinder(x0=-1.35, y0= 1.082, r = 0.675)
+surf86 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 0.675)
+surf87 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 5.17)
+surf88 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 5.8189)
+surf89 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 7.55)
+surf90 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 7.8)
+
+surf91 = openmc.XPlane(x0=-11, boundary_type="reflective")
+surf92 = openmc.XPlane(x0=11, boundary_type="reflective")
+surf93 = openmc.YPlane(y0=-11, boundary_type="reflective")
+surf94 = openmc.YPlane(y0=11, boundary_type="reflective")
+surf95 = openmc.ZPlane(z0=-24.765, boundary_type="reflective")
+surf96 = openmc.ZPlane(z0=24.765, boundary_type="reflective")
+
+univ1 = openmc.Universe(universe_id=1)
+cell1 = openmc.Cell(cell_id=1, fill=fuel_21_hot, region=-surf1 )
+cell2 = openmc.Cell(cell_id=2, fill=fuel_21_hot, region=-surf2 )
+cell3 = openmc.Cell(cell_id=3, fill=fuel_21_hot, region=-surf3 )
+cell4 = openmc.Cell(cell_id=4, fill=fuel_21_hot, region=-surf4 )
+cell5 = openmc.Cell(cell_id=5, fill=fuel_21_hot, region=-surf5 )
+cell6 = openmc.Cell(cell_id=6, fill=fuel_21_hot, region=-surf6 )
+cell7 = openmc.Cell(cell_id=7, fill=fuel_21_hot, region=-surf7 )
+cell8 = openmc.Cell(cell_id=8, fill=fuel_21_hot, region=-surf8 )
+cell9 = openmc.Cell(cell_id=9, fill=fuel_21_hot, region=-surf9 )
+cell10 = openmc.Cell(cell_id=10, fill=fuel_21_hot, region=-surf10)
+cell11 = openmc.Cell(cell_id=11, fill=fuel_21_hot, region=-surf11)
+cell12 = openmc.Cell(cell_id=12, fill=fuel_21_hot, region=-surf12)
+cell13 = openmc.Cell(cell_id=13, fill=fuel_21_hot, region=-surf13)
+cell14 = openmc.Cell(cell_id=14, fill=fuel_21_hot, region=-surf14)
+cell15 = openmc.Cell(cell_id=15, fill=fuel_21_hot, region=-surf15)
+cell16 = openmc.Cell(cell_id=16, fill=fuel_21_hot, region=-surf16)
+cell17 = openmc.Cell(cell_id=17, fill=fuel_21_hot, region=-surf17)
+cell18 = openmc.Cell(cell_id=18, fill=fuel_21_hot, region=-surf18)
+cell19 = openmc.Cell(cell_id=19, fill=fuel_21_hot, region=-surf19)
+cell20 = openmc.Cell(cell_id=20, fill=fuel_21_hot, region=-surf20)
+cell21 = openmc.Cell(cell_id=21, fill=fuel_21_hot, region=-surf21)
+cell22 = openmc.Cell(cell_id=22, fill=fuel_21_mid, region=-surf22)
+cell23 = openmc.Cell(cell_id=23, fill=fuel_21_mid, region=-surf23)
+cell24 = openmc.Cell(cell_id=24, fill=fuel_21_mid, region=-surf24)
+cell25 = openmc.Cell(cell_id=25, fill=fuel_21_mid, region=-surf25)
+cell26 = openmc.Cell(cell_id=26, fill=fuel_21_mid, region=-surf26)
+cell27 = openmc.Cell(cell_id=27, fill=fuel_21_mid, region=-surf27)
+cell28 = openmc.Cell(cell_id=28, fill=fuel_21_mid, region=-surf28)
+cell29 = openmc.Cell(cell_id=29, fill=fuel_21_mid, region=-surf29)
+cell30 = openmc.Cell(cell_id=30, fill=fuel_21_mid, region=-surf30)
+cell31 = openmc.Cell(cell_id=31, fill=fuel_21_mid, region=-surf31)
+cell32 = openmc.Cell(cell_id=32, fill=fuel_21_mid, region=-surf32)
+cell33 = openmc.Cell(cell_id=33, fill=fuel_21_mid, region=-surf33)
+cell34 = openmc.Cell(cell_id=34, fill=fuel_21_mid, region=-surf34)
+cell35 = openmc.Cell(cell_id=35, fill=fuel_21_mid, region=-surf35)
+cell36 = openmc.Cell(cell_id=36, fill=fuel_21_low, region=-surf36)
+cell37 = openmc.Cell(cell_id=37, fill=fuel_21_low, region=-surf37)
+cell38 = openmc.Cell(cell_id=38, fill=fuel_21_low, region=-surf38)
+cell39 = openmc.Cell(cell_id=39, fill=fuel_21_low, region=-surf39)
+cell40 = openmc.Cell(cell_id=40, fill=fuel_21_low, region=-surf40)
+cell41 = openmc.Cell(cell_id=41, fill=fuel_21_low, region=-surf41)
+cell42 = openmc.Cell(cell_id=42, fill=fuel_21_low, region=-surf42)
+cell43 = openmc.Cell(cell_id=43, fill=fuel_21_dep, region=-surf43)
+cell44 = openmc.Cell(cell_id=44, fill=clad, region=+surf1 & -surf44)
+cell45 = openmc.Cell(cell_id=45, fill=clad, region=+surf2 & -surf45)
+cell46 = openmc.Cell(cell_id=46, fill=clad, region=+surf3 & -surf46)
+cell47 = openmc.Cell(cell_id=47, fill=clad, region=+surf4 & -surf47)
+cell48 = openmc.Cell(cell_id=48, fill=clad, region=+surf5 & -surf48)
+cell49 = openmc.Cell(cell_id=49, fill=clad, region=+surf6 & -surf49)
+cell50 = openmc.Cell(cell_id=50, fill=clad, region=+surf7 & -surf50)
+cell51 = openmc.Cell(cell_id=51, fill=clad, region=+surf8 & -surf51)
+cell52 = openmc.Cell(cell_id=52, fill=clad, region=+surf9 & -surf52)
+cell53 = openmc.Cell(cell_id=53, fill=clad, region=+surf10 & -surf53)
+cell54 = openmc.Cell(cell_id=54, fill=clad, region=+surf11 & -surf54)
+cell55 = openmc.Cell(cell_id=55, fill=clad, region=+surf12 & -surf55)
+cell56 = openmc.Cell(cell_id=56, fill=clad, region=+surf13 & -surf56)
+cell57 = openmc.Cell(cell_id=57, fill=clad, region=+surf14 & -surf57)
+cell58 = openmc.Cell(cell_id=58, fill=clad, region=+surf15 & -surf58)
+cell59 = openmc.Cell(cell_id=59, fill=clad, region=+surf16 & -surf59)
+cell60 = openmc.Cell(cell_id=60, fill=clad, region=+surf17 & -surf60)
+cell61 = openmc.Cell(cell_id=61, fill=clad, region=+surf18 & -surf61)
+cell62 = openmc.Cell(cell_id=62, fill=clad, region=+surf19 & -surf62)
+cell63 = openmc.Cell(cell_id=63, fill=clad, region=+surf20 & -surf63)
+cell64 = openmc.Cell(cell_id=64, fill=clad, region=+surf21 & -surf64)
+cell65 = openmc.Cell(cell_id=65, fill=clad, region=+surf22 & -surf65)
+cell66 = openmc.Cell(cell_id=66, fill=clad, region=+surf23 & -surf66)
+cell67 = openmc.Cell(cell_id=67, fill=clad, region=+surf24 & -surf67)
+cell68 = openmc.Cell(cell_id=68, fill=clad, region=+surf25 & -surf68)
+cell69 = openmc.Cell(cell_id=69, fill=clad, region=+surf26 & -surf69)
+cell70 = openmc.Cell(cell_id=70, fill=clad, region=+surf27 & -surf70)
+cell71 = openmc.Cell(cell_id=71, fill=clad, region=+surf28 & -surf71)
+cell72 = openmc.Cell(cell_id=72, fill=clad, region=+surf29 & -surf72)
+cell73 = openmc.Cell(cell_id=73, fill=clad, region=+surf30 & -surf73)
+cell74 = openmc.Cell(cell_id=74, fill=clad, region=+surf31 & -surf74)
+cell75 = openmc.Cell(cell_id=75, fill=clad, region=+surf32 & -surf75)
+cell76 = openmc.Cell(cell_id=76, fill=clad, region=+surf33 & -surf76)
+cell77 = openmc.Cell(cell_id=77, fill=clad, region=+surf34 & -surf77)
+cell78 = openmc.Cell(cell_id=78, fill=clad, region=+surf35 & -surf78)
+cell79 = openmc.Cell(cell_id=79, fill=clad, region=+surf36 & -surf79)
+cell80 = openmc.Cell(cell_id=80, fill=clad, region=+surf37 & -surf80)
+cell81 = openmc.Cell(cell_id=81, fill=clad, region=+surf38 & -surf81)
+cell82 = openmc.Cell(cell_id=82, fill=clad, region=+surf39 & -surf82)
+cell83 = openmc.Cell(cell_id=83, fill=clad, region=+surf40 & -surf83)
+cell84 = openmc.Cell(cell_id=84, fill=clad, region=+surf41 & -surf84)
+cell85 = openmc.Cell(cell_id=85, fill=clad, region=+surf42 & -surf85)
+cell86 = openmc.Cell(cell_id=86, fill=clad, region=+surf43 & -surf86)
+
+cell87 = openmc.Cell(cell_id=87, fill=water, region=-surf87 & +surf44 & +surf43 & +surf45 & +surf46 & +surf47 & +surf48 & +surf49 & +surf50 & +surf51 & +surf52 & +surf53 & +surf54 & +surf55 & +surf56 & +surf57 & +surf58 & +surf59 & +surf60 & +surf61 & +surf62 & +surf63 & +surf64 & +surf65 & +surf66 & +surf67 & +surf68 & +surf69 & +surf70 & +surf71 & +surf72 & +surf73 & +surf74 & +surf75 & +surf76 & +surf77 & +surf78 & +surf79 & +surf80 & +surf81 & +surf82 & +surf83 & +surf84 & +surf85 & +surf86)
+
+cell88 = openmc.Cell(cell_id=88, fill=tube, region=+surf87 & -surf88)
+cell89 = openmc.Cell(cell_id=89, fill=graphite, region=-surf89 & +surf88)
+cell90 = openmc.Cell(cell_id=90, fill=cal_zirc, region=+surf89)
+
+univ1.add_cells([cell1, cell2, cell3, cell4, cell5, cell6, cell7, cell8, cell9, cell10, cell11, cell12, cell13, cell14, cell15, cell16, cell17, cell18, cell19, cell20, cell21, cell22, cell23, cell24, cell25, cell26, cell27, cell28, cell29, cell30, cell31, cell32, cell33, cell34, cell35, cell36, cell37, cell38, cell39, cell40, cell41, cell42, cell43, cell44, cell45, cell46, cell47, cell48, cell49, cell50, cell51, cell52, cell53, cell54, cell55, cell56, cell57, cell58, cell59, cell60, cell61, cell62, cell63, cell64, cell65, cell66, cell67, cell68, cell69, cell70, cell71, cell72, cell73, cell74, cell75, cell76, cell77, cell78, cell79, cell80, cell81, cell82, cell83, cell84, cell85, cell86, cell87, cell88, cell89, cell90])
+
+univ2 = openmc.Universe()
+cell91 = openmc.Cell(fill=univ1, region=-surf90)
+cell92 = openmc.Cell(cell_id=92, fill=heavy_water, region=+surf90)
+univ2.add_cells([cell91, cell92])
+
+cell93 = openmc.Cell(cell_id=93, fill=univ2, region=+surf91 & -surf92 & +surf93 & -surf94 & +surf95 & -surf96)
+univ3 = openmc.Universe(cells=[cell93])
+
+geometry_file = openmc.Geometry(univ3)
+geometry_file.export_to_xml(path="problem/geometry.xml")
+
+################## TALLIES ##################
+
+filter1 = openmc.CellFilter(bins=[93, 87])
+filter2 = openmc.CellFilter(bins=[93, 87])
+filter3 = openmc.CellFilter(bins=[93, 87])
+filter4 = openmc.CellFilter(bins=[93, 87])
+filter5 = openmc.CellFilter(bins=[93, 87])
+filter6 = openmc.CellFilter(bins=[93, 87])
+filter7 = openmc.CellFilter(bins=[93, 87])
+filter8 = openmc.DelayedGroupFilter(bins=[1, 2, 3, 4, 5, 6])
+
+tally1 = openmc.Tally()
+tally1.filters = [filter1]
+tally1.scores = ["flux"]
+
+tally2 = openmc.Tally()
+tally2.filters = [filter1]
+tally2.scores = ["nu-fission"]
+
+tally3 = openmc.Tally()
+tally3.filters = [filter1]
+tally3.scores = ["delayed-nu-fission"]
+
+tally4 = openmc.Tally()
+tally4.filters = [filter1]
+tally4.scores = ["fission"]
+
+tally5 = openmc.Tally()
+tally5.filters = [filter1]
+tally5.scores = ["absorption"]
+
+tally6 = openmc.Tally()
+tally6.filters = [filter1]
+tally6.scores = ["scatter"]
+
+tally7 = openmc.Tally()
+tally7.filters = [filter1]
+tally7.scores = ["total"]
+
+tally8 = openmc.Tally()
+tally8.filters = [filter8]
+tally8.scores = ["delayed-nu-fission"]
+
+tallies_file = openmc.Tallies([tally1, tally2, tally3, tally4, tally5, tally6, tally7, tally8])
+tallies_file.export_to_xml(path="problem/tallies.xml")
+
+################## PLOTS ##################
+
+plot = openmc.Plot()
+plot.pixels = (1000, 1000)
+plot.width = (25.0, 25.0)
+# plot._colors = (123, 123, 231)
+
+plot_file = openmc.Plots([plot])
+plot_file.export_to_xml(path="problem/plots.xml")
+
+################## SETTINGS ##################
+
+settings_file = openmc.Settings()
+settings_file.temperature = {'method': 'interpolation',
+ 'tolerance': 550}
+settings_file.source = openmc.IndependentSource(space=openmc.stats.Box(
+ (-11, -11, -24.765), ( 11, 11, 24.765)))
+settings_file.batches = 600
+settings_file.inactive = 50
+settings_file.particles = 10000
+
+settings_file.export_to_xml(path="problem/settings.xml")
+
+openmc.plot_geometry(cwd='problem')
+openmc.run(cwd='problem')
\ No newline at end of file
diff --git a/ARC700/CANDU 2.1/problem/geometry.xml b/ARC700/CANDU 2.1/problem/geometry.xml
deleted file mode 100644
index 46b98ed..0000000
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+++ /dev/null
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diff --git a/ARC700/CANDU 2.1/problem/materials.xml b/ARC700/CANDU 2.1/problem/materials.xml
deleted file mode 100644
index e351203..0000000
--- a/ARC700/CANDU 2.1/problem/materials.xml
+++ /dev/null
@@ -1,150 +0,0 @@
-
-
-
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-
- /opt/xdata/endfb-vii.1-hdf5/cross_sections.xml
-
- 71c
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diff --git a/ARC700/CANDU 2.1/problem/plots.xml b/ARC700/CANDU 2.1/problem/plots.xml
deleted file mode 100644
index 9178846..0000000
--- a/ARC700/CANDU 2.1/problem/plots.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-
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-
- 0. 0. 0.
- 25.0 25.0
- 1000 1000
-
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deleted file mode 100644
index 92c7e8b..0000000
--- a/ARC700/CANDU 2.1/problem/settings.xml
+++ /dev/null
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-
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- 50
- 10000
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- -11 -11 -24.765
- 11 11 24.765
-
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deleted file mode 100644
index 865512b..0000000
--- a/ARC700/CANDU 2.1/problem/tallies.xml
+++ /dev/null
@@ -1,76 +0,0 @@
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- 1 2 3 4 5 6
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- 1
- flux
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- 2
- nu-fission
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- 3
- delayed-nu-fission
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- 4
- fission
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- 5
- absorption
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- 6
- scatter
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- 7
- total
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- 8
- delayed-nu-fission
-
-
-
diff --git a/ARC700/CANDU 2.6/candu_2-6.py b/ARC700/CANDU 2.6/candu_2-6.py
new file mode 100644
index 0000000..3c253ed
--- /dev/null
+++ b/ARC700/CANDU 2.6/candu_2-6.py
@@ -0,0 +1,423 @@
+#!/usr/bin/env python3
+
+"""
+ ====================================================
+ Description: ACR1000 Assembly 43 Fuel pins
+ Case: Problem (43 fuel pins)
+ Written By: Ahmed K Madani
+ Conversion: Adam Parler
+ Date: 12/03/2023
+ ====================================================
+"""
+
+import os
+import openmc
+
+try:
+ os.mkdir(os.path.dirname(os.path.realpath(__file__)) + '/problem')
+except OSError: pass
+
+################## MATERIALS ##################
+
+fuel_26_hot = openmc.Material(material_id=11)
+fuel_26_hot.set_density("g/cc", 9.82)
+fuel_26_hot.temperature = 1200 # K (42c=300K, 50c=293.6, 53c=587.2, 66=293.6, 70c=293.6, 71c=600K, 72c=900K, 73c=1200K, 74c=2500K)
+fuel_26_hot.add_nuclide("U235", 2.6, percent_type="wo")
+fuel_26_hot.add_nuclide("U238", 97.4, percent_type="wo")
+fuel_26_hot.add_nuclide("O16", 13.4529, percent_type="wo")
+
+fuel_26_mid = openmc.Material(material_id=12)
+fuel_26_mid.set_density("g/cc", 9.82)
+fuel_26_mid.temperature = 900
+fuel_26_mid.add_nuclide("U235", 2.6, percent_type="wo")
+fuel_26_mid.add_nuclide("U238", 97.4, percent_type="wo")
+fuel_26_mid.add_nuclide("O16", 13.4529, percent_type="wo")
+
+fuel_26_low = openmc.Material(material_id=13)
+fuel_26_low.set_density("g/cc", 10.298)
+fuel_26_low.temperature = 900
+fuel_26_low.add_nuclide("U235", 2.6, percent_type="wo")
+fuel_26_low.add_nuclide("U238", 97.4, percent_type="wo")
+fuel_26_low.add_nuclide("O16", 13.4529, percent_type="wo")
+
+fuel_26_dep = openmc.Material(material_id=14)
+fuel_26_dep.set_density("g/cc", 10.298)
+fuel_26_dep.temperature = 900
+fuel_26_dep.add_nuclide("U235", 0.72, percent_type="wo")
+fuel_26_dep.add_nuclide("U238", 99.28, percent_type="wo")
+fuel_26_dep.add_nuclide("O16", 13.4529, percent_type="wo")
+fuel_26_dep.add_nuclide("Dy160", 0.1735, percent_type="wo")
+fuel_26_dep.add_nuclide("Dy161", 1.418, percent_type="wo")
+fuel_26_dep.add_nuclide("Dy162", 1.915, percent_type="wo")
+fuel_26_dep.add_nuclide("Dy163", 1.861, percent_type="wo")
+fuel_26_dep.add_nuclide("Dy164", 2.1317, percent_type="wo")
+
+clad = openmc.Material(material_id=2)
+clad.set_density("g/cc", 7.48)
+clad.temperature = 600
+clad.add_nuclide("O16", 0.125, percent_type="wo")
+clad.add_nuclide("Cr50", 0.004345, percent_type="wo")
+clad.add_nuclide("Cr52", 0.083789, percent_type="wo")
+clad.add_nuclide("Cr53", 0.009501, percent_type="wo")
+clad.add_nuclide("Cr54", 0.002365, percent_type="wo")
+clad.add_nuclide("Sn112", 0.014065, percent_type="wo")
+clad.add_nuclide("Sn114", 0.00957, percent_type="wo")
+clad.add_nuclide("Sn115", 0.00493, percent_type="wo")
+clad.add_nuclide("Sn116", 0.21083, percent_type="wo")
+clad.add_nuclide("Sn117", 0.11136, percent_type="wo")
+clad.add_nuclide("Sn118", 0.35119, percent_type="wo")
+clad.add_nuclide("Sn119", 0.124555, percent_type="wo")
+clad.add_nuclide("Sn120", 0.47241, percent_type="wo")
+clad.add_nuclide("Sn122", 0.067135, percent_type="wo")
+clad.add_nuclide("Sn124", 0.083955, percent_type="wo")
+clad.add_nuclide("Fe54", 0.0122745, percent_type="wo")
+clad.add_nuclide("Fe56", 0.1926834, percent_type="wo")
+clad.add_nuclide("Fe57", 0.0044499, percent_type="wo")
+clad.add_nuclide("Fe58", 0.0005922, percent_type="wo")
+clad.add_nuclide("Zr90", 50.48, percent_type="wo")
+clad.add_nuclide("Zr91", 11, percent_type="wo")
+clad.add_nuclide("Zr92", 16.83, percent_type="wo")
+clad.add_nuclide("Zr94", 17.05, percent_type="wo")
+clad.add_nuclide("Zr96", 2.75, percent_type="wo")
+
+water = openmc.Material(material_id=3)
+water.set_density("g/cc", 0.71273)
+water.temperature = 600
+water.add_nuclide("H1", 2/3, percent_type="ao")
+water.add_nuclide("O16", 1/3, percent_type="ao")
+water.add_s_alpha_beta(name='c_H_in_H2O')
+
+tube = openmc.Material(material_id=4)
+tube.set_density("g/cc", 6.57)
+tube.temperature = 600
+tube.add_nuclide("Zr90", 50.16, percent_type="wo")
+tube.add_nuclide("Zr91", 10.94, percent_type="wo")
+tube.add_nuclide("Zr92", 16.72, percent_type="wo")
+tube.add_nuclide("Zr94", 16.945, percent_type="wo")
+tube.add_nuclide("Zr96", 2.73, percent_type="wo")
+tube.add_nuclide("Nb93", 2.5, percent_type="wo")
+
+graphite = openmc.Material(material_id=5)
+graphite.set_density("g/cc", 0.0017)
+graphite.add_nuclide("O16", 2/3, percent_type="ao")
+graphite.add_nuclide("C0", 1/3, percent_type="ao")
+graphite.add_s_alpha_beta(name='c_Graphite')
+
+cal_zirc = openmc.Material(material_id=6)
+cal_zirc.set_density("g/cc", 6.44)
+cal_zirc.temperature = 600
+cal_zirc.add_nuclide("O16", 0.125, percent_type="wo")
+cal_zirc.add_nuclide("Cr50", 0.004345, percent_type="wo")
+cal_zirc.add_nuclide("Cr52", 0.083789, percent_type="wo")
+cal_zirc.add_nuclide("Cr53", 0.009501, percent_type="wo")
+cal_zirc.add_nuclide("Cr54", 0.002365, percent_type="wo")
+cal_zirc.add_nuclide("Sn112", 0.014065, percent_type="wo")
+cal_zirc.add_nuclide("Sn114", 0.00957, percent_type="wo")
+cal_zirc.add_nuclide("Sn115", 0.00493, percent_type="wo")
+cal_zirc.add_nuclide("Sn116", 0.21083, percent_type="wo")
+cal_zirc.add_nuclide("Sn117", 0.11136, percent_type="wo")
+cal_zirc.add_nuclide("Sn118", 0.35119, percent_type="wo")
+cal_zirc.add_nuclide("Sn119", 0.124555, percent_type="wo")
+cal_zirc.add_nuclide("Sn120", 0.47241, percent_type="wo")
+cal_zirc.add_nuclide("Sn122", 0.067135, percent_type="wo")
+cal_zirc.add_nuclide("Sn124", 0.083955, percent_type="wo")
+cal_zirc.add_nuclide("Fe54", 0.0122745, percent_type="wo")
+cal_zirc.add_nuclide("Fe56", 0.1926834, percent_type="wo")
+cal_zirc.add_nuclide("Fe57", 0.004431, percent_type="wo")
+cal_zirc.add_nuclide("Fe58", 0.0005922, percent_type="wo")
+cal_zirc.add_nuclide("Zr90", 50.16, percent_type="wo")
+cal_zirc.add_nuclide("Zr91", 10.94, percent_type="wo")
+cal_zirc.add_nuclide("Zr92", 16.72, percent_type="wo")
+cal_zirc.add_nuclide("Zr94", 17.94, percent_type="wo")
+cal_zirc.add_nuclide("Zr96", 2.73, percent_type="wo")
+
+heavy_water = openmc.Material(material_id=7)
+heavy_water.set_density("g/cc", 1.07801)
+heavy_water.temperature = 1200
+heavy_water.add_nuclide("O16", 1, percent_type="ao")
+heavy_water.add_nuclide("H2", 1.996, percent_type="ao")
+heavy_water.add_nuclide("H1", 0.004,percent_type="ao")
+heavy_water.add_s_alpha_beta(name='c_H_in_H2O')
+heavy_water.add_s_alpha_beta(name='c_D_in_D2O')
+
+materials_file = openmc.Materials([fuel_26_hot, fuel_26_mid, fuel_26_low, fuel_26_dep, clad, water, tube, graphite, cal_zirc, heavy_water])
+materials_file.export_to_xml(path="problem/materials.xml")
+
+################## GEOMETRY ##################
+
+surf1 = openmc.ZCylinder(x0=0.0, y0= 4.384, r = 0.536)
+surf2 = openmc.ZCylinder(x0=1.293, y0= 4.189, r = 0.536)
+surf3 = openmc.ZCylinder(x0=2.47, y0= 3.622, r = 0.536)
+surf4 = openmc.ZCylinder(x0=3.429, y0= 2.732, r = 0.536)
+surf5 = openmc.ZCylinder(x0=4.082, y0= 1.600, r = 0.536)
+surf6 = openmc.ZCylinder(x0=4.372, y0= 0.325, r = 0.536)
+surf7 = openmc.ZCylinder(x0=4.273, y0= -0.980, r = 0.536)
+surf8 = openmc.ZCylinder(x0=3.795, y0= -2.200, r = 0.536)
+surf9 = openmc.ZCylinder(x0=2.979, y0= -3.220, r = 0.536)
+surf10 = openmc.ZCylinder(x0=1.898, y0= -3.950, r = 0.536)
+surf11 = openmc.ZCylinder(x0=0.648, y0= -4.340, r = 0.536)
+surf12 = openmc.ZCylinder(x0=-1.293, y0= 4.189, r = 0.536)
+surf13 = openmc.ZCylinder(x0=-2.47, y0= 3.622, r = 0.536)
+surf14 = openmc.ZCylinder(x0=-3.429, y0= 2.732, r = 0.536)
+surf15 = openmc.ZCylinder(x0=-4.082, y0= 1.600, r = 0.536)
+surf16 = openmc.ZCylinder(x0=-4.372, y0= 0.325, r = 0.536)
+surf17 = openmc.ZCylinder(x0=-4.273, y0= -0.980, r = 0.536)
+surf18 = openmc.ZCylinder(x0=-3.795, y0= -2.200, r = 0.536)
+surf19 = openmc.ZCylinder(x0=-2.979, y0= -3.220, r = 0.536)
+surf20 = openmc.ZCylinder(x0=-1.898, y0= -3.950, r = 0.536)
+surf21 = openmc.ZCylinder(x0=-0.648, y0= -4.340, r = 0.536)
+surf22 = openmc.ZCylinder(x0=0.684, y0= 2.998, r = 0.536)
+surf23 = openmc.ZCylinder(x0=1.918, y0= 2.404, r = 0.536)
+surf24 = openmc.ZCylinder(x0=2.771, y0= 1.333, r = 0.536)
+surf25 = openmc.ZCylinder(x0=3.075, y0= 0.000, r = 0.536)
+surf26 = openmc.ZCylinder(x0=2.77, y0= -1.340, r = 0.536)
+surf27 = openmc.ZCylinder(x0=1.915, y0= -2.410, r = 0.536)
+surf28 = openmc.ZCylinder(x0=0.681, y0= -3.000, r = 0.536)
+surf29 = openmc.ZCylinder(x0=-0.69, y0= -3.000, r = 0.536)
+surf30 = openmc.ZCylinder(x0=-1.92, y0= -2.400, r = 0.536)
+surf31 = openmc.ZCylinder(x0=-2.77, y0= -1.330, r = 0.536)
+surf32 = openmc.ZCylinder(x0=-3.07, y0= -0.006, r = 0.536)
+surf33 = openmc.ZCylinder(x0=-2.77, y0= 1.340, r = 0.536)
+surf34 = openmc.ZCylinder(x0=-1.91, y0= 2.408, r = 0.536)
+surf35 = openmc.ZCylinder(x0=-0.68, y0= 3.000, r = 0.536)
+surf36 = openmc.ZCylinder(x0=0.0, y0= 1.730, r = 0.631)
+surf37 = openmc.ZCylinder(x0=1.353, y0= 1.078, r = 0.631)
+surf38 = openmc.ZCylinder(x0=1.686, y0= -0.390, r = 0.631)
+surf39 = openmc.ZCylinder(x0=0.749, y0= -1.560, r = 0.631)
+surf40 = openmc.ZCylinder(x0=-0.75, y0= -1.560, r = 0.631)
+surf41 = openmc.ZCylinder(x0=-1.69, y0= -0.380, r = 0.631)
+surf42 = openmc.ZCylinder(x0=-1.35, y0= 1.082, r = 0.631)
+surf43 = openmc.ZCylinder(x0=0.00, y0= 0.00, r = 0.631)
+surf44 = openmc.ZCylinder(x0=0.0, y0= 4.384, r = 0.575)
+surf45 = openmc.ZCylinder(x0=1.293, y0= 4.189, r = 0.575)
+surf46 = openmc.ZCylinder(x0=2.47, y0= 3.622, r = 0.575)
+surf47 = openmc.ZCylinder(x0=3.429, y0= 2.732, r = 0.575)
+surf48 = openmc.ZCylinder(x0=4.082, y0= 1.600, r = 0.575)
+surf49 = openmc.ZCylinder(x0=4.372, y0= 0.325, r = 0.575)
+surf50 = openmc.ZCylinder(x0=4.273, y0= -0.980, r = 0.575)
+surf51 = openmc.ZCylinder(x0=3.795, y0= -2.200, r = 0.575)
+surf52 = openmc.ZCylinder(x0=2.979, y0= -3.220, r = 0.575)
+surf53 = openmc.ZCylinder(x0=1.898, y0= -3.950, r = 0.575)
+surf54 = openmc.ZCylinder(x0=0.648, y0= -4.340, r = 0.575)
+surf55 = openmc.ZCylinder(x0=-1.293, y0= 4.189, r = 0.575)
+surf56 = openmc.ZCylinder(x0=-2.47, y0= 3.622, r = 0.575)
+surf57 = openmc.ZCylinder(x0=-3.429, y0= 2.732, r = 0.575)
+surf58 = openmc.ZCylinder(x0=-4.082, y0= 1.600, r = 0.575)
+surf59 = openmc.ZCylinder(x0=-4.372, y0= 0.325, r = 0.575)
+surf60 = openmc.ZCylinder(x0=-4.273, y0= -0.980, r = 0.575)
+surf61 = openmc.ZCylinder(x0=-3.795, y0= -2.200, r = 0.575)
+surf62 = openmc.ZCylinder(x0=-2.979, y0= -3.220, r = 0.575)
+surf63 = openmc.ZCylinder(x0=-1.898, y0= -3.950, r = 0.575)
+surf64 = openmc.ZCylinder(x0=-0.648, y0= -4.340, r = 0.575)
+surf65 = openmc.ZCylinder(x0=0.684, y0= 2.998, r = 0.575)
+surf66 = openmc.ZCylinder(x0=1.918, y0= 2.404, r = 0.575)
+surf67 = openmc.ZCylinder(x0=2.771, y0= 1.333, r = 0.575)
+surf68 = openmc.ZCylinder(x0=3.075, y0= 0.000, r = 0.575)
+surf69 = openmc.ZCylinder(x0=2.77, y0= -1.340, r = 0.575)
+surf70 = openmc.ZCylinder(x0=1.915, y0= -2.410, r = 0.575)
+surf71 = openmc.ZCylinder(x0=0.681, y0= -3.000, r = 0.575)
+surf72 = openmc.ZCylinder(x0=-0.69, y0= -3.000, r = 0.575)
+surf73 = openmc.ZCylinder(x0=-1.92, y0= -2.400, r = 0.575)
+surf74 = openmc.ZCylinder(x0=-2.77, y0= -1.330, r = 0.575)
+surf75 = openmc.ZCylinder(x0=-3.07, y0= -0.006, r = 0.575)
+surf76 = openmc.ZCylinder(x0=-2.77, y0= 1.340, r = 0.575)
+surf77 = openmc.ZCylinder(x0=-1.91, y0= 2.408, r = 0.575)
+surf78 = openmc.ZCylinder(x0=-0.68, y0= 3.000, r = 0.575)
+surf79 = openmc.ZCylinder(x0=0.0, y0= 1.730, r = 0.675)
+surf80 = openmc.ZCylinder(x0=1.353, y0= 1.078, r = 0.675)
+surf81 = openmc.ZCylinder(x0=1.686, y0= -0.390, r = 0.675)
+surf82 = openmc.ZCylinder(x0=0.749, y0= -1.560, r = 0.675)
+surf83 = openmc.ZCylinder(x0=-0.75, y0= -1.560, r = 0.675)
+surf84 = openmc.ZCylinder(x0=-1.69, y0= -0.380, r = 0.675)
+surf85 = openmc.ZCylinder(x0=-1.35, y0= 1.082, r = 0.675)
+surf86 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 0.675)
+surf87 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 5.17)
+surf88 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 5.8189)
+surf89 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 7.55)
+surf90 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 7.8)
+
+surf91 = openmc.XPlane(x0=-11, boundary_type="reflective")
+surf92 = openmc.XPlane(x0=11, boundary_type="reflective")
+surf93 = openmc.YPlane(y0=-11, boundary_type="reflective")
+surf94 = openmc.YPlane(y0=11, boundary_type="reflective")
+surf95 = openmc.ZPlane(z0=-24.765, boundary_type="reflective")
+surf96 = openmc.ZPlane(z0=24.765, boundary_type="reflective")
+
+univ1 = openmc.Universe(universe_id=1)
+cell1 = openmc.Cell(cell_id=1, fill=fuel_26_hot, region=-surf1 )
+cell2 = openmc.Cell(cell_id=2, fill=fuel_26_hot, region=-surf2 )
+cell3 = openmc.Cell(cell_id=3, fill=fuel_26_hot, region=-surf3 )
+cell4 = openmc.Cell(cell_id=4, fill=fuel_26_hot, region=-surf4 )
+cell5 = openmc.Cell(cell_id=5, fill=fuel_26_hot, region=-surf5 )
+cell6 = openmc.Cell(cell_id=6, fill=fuel_26_hot, region=-surf6 )
+cell7 = openmc.Cell(cell_id=7, fill=fuel_26_hot, region=-surf7 )
+cell8 = openmc.Cell(cell_id=8, fill=fuel_26_hot, region=-surf8 )
+cell9 = openmc.Cell(cell_id=9, fill=fuel_26_hot, region=-surf9 )
+cell10 = openmc.Cell(cell_id=10, fill=fuel_26_hot, region=-surf10)
+cell11 = openmc.Cell(cell_id=11, fill=fuel_26_hot, region=-surf11)
+cell12 = openmc.Cell(cell_id=12, fill=fuel_26_hot, region=-surf12)
+cell13 = openmc.Cell(cell_id=13, fill=fuel_26_hot, region=-surf13)
+cell14 = openmc.Cell(cell_id=14, fill=fuel_26_hot, region=-surf14)
+cell15 = openmc.Cell(cell_id=15, fill=fuel_26_hot, region=-surf15)
+cell16 = openmc.Cell(cell_id=16, fill=fuel_26_hot, region=-surf16)
+cell17 = openmc.Cell(cell_id=17, fill=fuel_26_hot, region=-surf17)
+cell18 = openmc.Cell(cell_id=18, fill=fuel_26_hot, region=-surf18)
+cell19 = openmc.Cell(cell_id=19, fill=fuel_26_hot, region=-surf19)
+cell20 = openmc.Cell(cell_id=20, fill=fuel_26_hot, region=-surf20)
+cell21 = openmc.Cell(cell_id=21, fill=fuel_26_hot, region=-surf21)
+cell22 = openmc.Cell(cell_id=22, fill=fuel_26_mid, region=-surf22)
+cell23 = openmc.Cell(cell_id=23, fill=fuel_26_mid, region=-surf23)
+cell24 = openmc.Cell(cell_id=24, fill=fuel_26_mid, region=-surf24)
+cell25 = openmc.Cell(cell_id=25, fill=fuel_26_mid, region=-surf25)
+cell26 = openmc.Cell(cell_id=26, fill=fuel_26_mid, region=-surf26)
+cell27 = openmc.Cell(cell_id=27, fill=fuel_26_mid, region=-surf27)
+cell28 = openmc.Cell(cell_id=28, fill=fuel_26_mid, region=-surf28)
+cell29 = openmc.Cell(cell_id=29, fill=fuel_26_mid, region=-surf29)
+cell30 = openmc.Cell(cell_id=30, fill=fuel_26_mid, region=-surf30)
+cell31 = openmc.Cell(cell_id=31, fill=fuel_26_mid, region=-surf31)
+cell32 = openmc.Cell(cell_id=32, fill=fuel_26_mid, region=-surf32)
+cell33 = openmc.Cell(cell_id=33, fill=fuel_26_mid, region=-surf33)
+cell34 = openmc.Cell(cell_id=34, fill=fuel_26_mid, region=-surf34)
+cell35 = openmc.Cell(cell_id=35, fill=fuel_26_mid, region=-surf35)
+cell36 = openmc.Cell(cell_id=36, fill=fuel_26_low, region=-surf36)
+cell37 = openmc.Cell(cell_id=37, fill=fuel_26_low, region=-surf37)
+cell38 = openmc.Cell(cell_id=38, fill=fuel_26_low, region=-surf38)
+cell39 = openmc.Cell(cell_id=39, fill=fuel_26_low, region=-surf39)
+cell40 = openmc.Cell(cell_id=40, fill=fuel_26_low, region=-surf40)
+cell41 = openmc.Cell(cell_id=41, fill=fuel_26_low, region=-surf41)
+cell42 = openmc.Cell(cell_id=42, fill=fuel_26_low, region=-surf42)
+cell43 = openmc.Cell(cell_id=43, fill=fuel_26_dep, region=-surf43)
+cell44 = openmc.Cell(cell_id=44, fill=clad, region=+surf1 & -surf44)
+cell45 = openmc.Cell(cell_id=45, fill=clad, region=+surf2 & -surf45)
+cell46 = openmc.Cell(cell_id=46, fill=clad, region=+surf3 & -surf46)
+cell47 = openmc.Cell(cell_id=47, fill=clad, region=+surf4 & -surf47)
+cell48 = openmc.Cell(cell_id=48, fill=clad, region=+surf5 & -surf48)
+cell49 = openmc.Cell(cell_id=49, fill=clad, region=+surf6 & -surf49)
+cell50 = openmc.Cell(cell_id=50, fill=clad, region=+surf7 & -surf50)
+cell51 = openmc.Cell(cell_id=51, fill=clad, region=+surf8 & -surf51)
+cell52 = openmc.Cell(cell_id=52, fill=clad, region=+surf9 & -surf52)
+cell53 = openmc.Cell(cell_id=53, fill=clad, region=+surf10 & -surf53)
+cell54 = openmc.Cell(cell_id=54, fill=clad, region=+surf11 & -surf54)
+cell55 = openmc.Cell(cell_id=55, fill=clad, region=+surf12 & -surf55)
+cell56 = openmc.Cell(cell_id=56, fill=clad, region=+surf13 & -surf56)
+cell57 = openmc.Cell(cell_id=57, fill=clad, region=+surf14 & -surf57)
+cell58 = openmc.Cell(cell_id=58, fill=clad, region=+surf15 & -surf58)
+cell59 = openmc.Cell(cell_id=59, fill=clad, region=+surf16 & -surf59)
+cell60 = openmc.Cell(cell_id=60, fill=clad, region=+surf17 & -surf60)
+cell61 = openmc.Cell(cell_id=61, fill=clad, region=+surf18 & -surf61)
+cell62 = openmc.Cell(cell_id=62, fill=clad, region=+surf19 & -surf62)
+cell63 = openmc.Cell(cell_id=63, fill=clad, region=+surf20 & -surf63)
+cell64 = openmc.Cell(cell_id=64, fill=clad, region=+surf21 & -surf64)
+cell65 = openmc.Cell(cell_id=65, fill=clad, region=+surf22 & -surf65)
+cell66 = openmc.Cell(cell_id=66, fill=clad, region=+surf23 & -surf66)
+cell67 = openmc.Cell(cell_id=67, fill=clad, region=+surf24 & -surf67)
+cell68 = openmc.Cell(cell_id=68, fill=clad, region=+surf25 & -surf68)
+cell69 = openmc.Cell(cell_id=69, fill=clad, region=+surf26 & -surf69)
+cell70 = openmc.Cell(cell_id=70, fill=clad, region=+surf27 & -surf70)
+cell71 = openmc.Cell(cell_id=71, fill=clad, region=+surf28 & -surf71)
+cell72 = openmc.Cell(cell_id=72, fill=clad, region=+surf29 & -surf72)
+cell73 = openmc.Cell(cell_id=73, fill=clad, region=+surf30 & -surf73)
+cell74 = openmc.Cell(cell_id=74, fill=clad, region=+surf31 & -surf74)
+cell75 = openmc.Cell(cell_id=75, fill=clad, region=+surf32 & -surf75)
+cell76 = openmc.Cell(cell_id=76, fill=clad, region=+surf33 & -surf76)
+cell77 = openmc.Cell(cell_id=77, fill=clad, region=+surf34 & -surf77)
+cell78 = openmc.Cell(cell_id=78, fill=clad, region=+surf35 & -surf78)
+cell79 = openmc.Cell(cell_id=79, fill=clad, region=+surf36 & -surf79)
+cell80 = openmc.Cell(cell_id=80, fill=clad, region=+surf37 & -surf80)
+cell81 = openmc.Cell(cell_id=81, fill=clad, region=+surf38 & -surf81)
+cell82 = openmc.Cell(cell_id=82, fill=clad, region=+surf39 & -surf82)
+cell83 = openmc.Cell(cell_id=83, fill=clad, region=+surf40 & -surf83)
+cell84 = openmc.Cell(cell_id=84, fill=clad, region=+surf41 & -surf84)
+cell85 = openmc.Cell(cell_id=85, fill=clad, region=+surf42 & -surf85)
+cell86 = openmc.Cell(cell_id=86, fill=clad, region=+surf43 & -surf86)
+
+cell87 = openmc.Cell(cell_id=87, fill=water, region=-surf87 & +surf44 & +surf43 & +surf45 & +surf46 & +surf47 & +surf48 & +surf49 & +surf50 & +surf51 & +surf52 & +surf53 & +surf54 & +surf55 & +surf56 & +surf57 & +surf58 & +surf59 & +surf60 & +surf61 & +surf62 & +surf63 & +surf64 & +surf65 & +surf66 & +surf67 & +surf68 & +surf69 & +surf70 & +surf71 & +surf72 & +surf73 & +surf74 & +surf75 & +surf76 & +surf77 & +surf78 & +surf79 & +surf80 & +surf81 & +surf82 & +surf83 & +surf84 & +surf85 & +surf86)
+
+cell88 = openmc.Cell(cell_id=88, fill=tube, region=+surf87 & -surf88)
+cell89 = openmc.Cell(cell_id=89, fill=graphite, region=-surf89 & +surf88)
+cell90 = openmc.Cell(cell_id=90, fill=cal_zirc, region=+surf89)
+
+univ1.add_cells([cell1, cell2, cell3, cell4, cell5, cell6, cell7, cell8, cell9, cell10, cell11, cell12, cell13, cell14, cell15, cell16, cell17, cell18, cell19, cell20, cell21, cell22, cell23, cell24, cell25, cell26, cell27, cell28, cell29, cell30, cell31, cell32, cell33, cell34, cell35, cell36, cell37, cell38, cell39, cell40, cell41, cell42, cell43, cell44, cell45, cell46, cell47, cell48, cell49, cell50, cell51, cell52, cell53, cell54, cell55, cell56, cell57, cell58, cell59, cell60, cell61, cell62, cell63, cell64, cell65, cell66, cell67, cell68, cell69, cell70, cell71, cell72, cell73, cell74, cell75, cell76, cell77, cell78, cell79, cell80, cell81, cell82, cell83, cell84, cell85, cell86, cell87, cell88, cell89, cell90])
+
+univ2 = openmc.Universe()
+cell91 = openmc.Cell(fill=univ1, region=-surf90)
+cell92 = openmc.Cell(cell_id=92, fill=heavy_water, region=+surf90)
+univ2.add_cells([cell91, cell92])
+
+cell93 = openmc.Cell(cell_id=93, fill=univ2, region=+surf91 & -surf92 & +surf93 & -surf94 & +surf95 & -surf96)
+univ3 = openmc.Universe(cells=[cell93])
+
+geometry_file = openmc.Geometry(univ3)
+geometry_file.export_to_xml(path="problem/geometry.xml")
+
+################## TALLIES ##################
+
+filter1 = openmc.CellFilter(bins=[93, 87])
+filter2 = openmc.CellFilter(bins=[93, 87])
+filter3 = openmc.CellFilter(bins=[93, 87])
+filter4 = openmc.CellFilter(bins=[93, 87])
+filter5 = openmc.CellFilter(bins=[93, 87])
+filter6 = openmc.CellFilter(bins=[93, 87])
+filter7 = openmc.CellFilter(bins=[93, 87])
+filter8 = openmc.DelayedGroupFilter(bins=[1, 2, 3, 4, 5, 6])
+
+tally1 = openmc.Tally()
+tally1.filters = [filter1]
+tally1.scores = ["flux"]
+
+tally2 = openmc.Tally()
+tally2.filters = [filter1]
+tally2.scores = ["nu-fission"]
+
+tally3 = openmc.Tally()
+tally3.filters = [filter1]
+tally3.scores = ["delayed-nu-fission"]
+
+tally4 = openmc.Tally()
+tally4.filters = [filter1]
+tally4.scores = ["fission"]
+
+tally5 = openmc.Tally()
+tally5.filters = [filter1]
+tally5.scores = ["absorption"]
+
+tally6 = openmc.Tally()
+tally6.filters = [filter1]
+tally6.scores = ["scatter"]
+
+tally7 = openmc.Tally()
+tally7.filters = [filter1]
+tally7.scores = ["total"]
+
+tally8 = openmc.Tally()
+tally8.filters = [filter8]
+tally8.scores = ["delayed-nu-fission"]
+
+tallies_file = openmc.Tallies([tally1, tally2, tally3, tally4, tally5, tally6, tally7, tally8])
+tallies_file.export_to_xml(path="problem/tallies.xml")
+
+################## PLOTS ##################
+
+plot = openmc.Plot()
+plot.pixels = (1000, 1000)
+plot.width = (25.0, 25.0)
+# plot._colors = (123, 123, 231)
+
+plot_file = openmc.Plots([plot])
+plot_file.export_to_xml(path="problem/plots.xml")
+
+################## SETTINGS ##################
+
+settings_file = openmc.Settings()
+settings_file.temperature = {'method': 'interpolation',
+ 'tolerance': 550}
+settings_file.source = openmc.IndependentSource(space=openmc.stats.Box(
+ (-11, -11, -24.765), ( 11, 11, 24.765)))
+settings_file.batches = 600
+settings_file.inactive = 50
+settings_file.particles = 10000
+
+settings_file.export_to_xml(path="problem/settings.xml")
+
+openmc.plot_geometry(cwd='problem')
+openmc.run(cwd='problem')
\ No newline at end of file
diff --git a/ARC700/CANDU 2.6/problem/geometry.xml b/ARC700/CANDU 2.6/problem/geometry.xml
deleted file mode 100644
index 46b98ed..0000000
--- a/ARC700/CANDU 2.6/problem/geometry.xml
+++ /dev/null
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diff --git a/ARC700/CANDU 2.6/problem/materials.xml b/ARC700/CANDU 2.6/problem/materials.xml
deleted file mode 100644
index 02a6e42..0000000
--- a/ARC700/CANDU 2.6/problem/materials.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-
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-
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- /opt/xdata/endfb-vii.1-hdf5/cross_sections.xml
-
- 71c
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diff --git a/ARC700/CANDU 2.6/problem/plots.xml b/ARC700/CANDU 2.6/problem/plots.xml
deleted file mode 100644
index 9178846..0000000
--- a/ARC700/CANDU 2.6/problem/plots.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-
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-
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-
- 0. 0. 0.
- 25.0 25.0
- 1000 1000
-
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diff --git a/ARC700/CANDU 2.6/problem/settings.xml b/ARC700/CANDU 2.6/problem/settings.xml
deleted file mode 100644
index 92c7e8b..0000000
--- a/ARC700/CANDU 2.6/problem/settings.xml
+++ /dev/null
@@ -1,31 +0,0 @@
-
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- 600
- 50
- 10000
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- -11 -11 -24.765
- 11 11 24.765
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diff --git a/ARC700/CANDU 2.6/problem/tallies.xml b/ARC700/CANDU 2.6/problem/tallies.xml
deleted file mode 100644
index 6d61397..0000000
--- a/ARC700/CANDU 2.6/problem/tallies.xml
+++ /dev/null
@@ -1,77 +0,0 @@
-
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- 93 87
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- flux
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- 2
- nu-fission
-
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- 3
- delayed-nu-fission
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- 4
- fission
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- 5
- absorption
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- scatter
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- total
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- 8
- delayed-nu-fission
-
-
-
diff --git a/ARC700/CANDU 3.1/candu_3-1.py b/ARC700/CANDU 3.1/candu_3-1.py
new file mode 100644
index 0000000..085c23e
--- /dev/null
+++ b/ARC700/CANDU 3.1/candu_3-1.py
@@ -0,0 +1,423 @@
+#!/usr/bin/env python3
+
+"""
+ ====================================================
+ Description: ACR1000 Assembly 43 Fuel pins
+ Case: Problem (43 fuel pins)
+ Written By: Ahmed K Madani
+ Conversion: Adam Parler
+ Date: 12/03/2023
+ ====================================================
+"""
+
+import os
+import openmc
+
+try:
+ os.mkdir(os.path.dirname(os.path.realpath(__file__)) + '/problem')
+except OSError: pass
+
+################## MATERIALS ##################
+
+fuel_31_hot = openmc.Material(material_id=11)
+fuel_31_hot.set_density("g/cc", 9.82)
+fuel_31_hot.temperature = 1200 # K (42c=300K, 50c=293.6, 53c=587.2, 66=293.6, 70c=293.6, 71c=600K, 72c=900K, 73c=1200K, 74c=2500K)
+fuel_31_hot.add_nuclide("U235", 3.1, percent_type="wo")
+fuel_31_hot.add_nuclide("U238", 96.9, percent_type="wo")
+fuel_31_hot.add_nuclide("O16", 13.4529, percent_type="wo")
+
+fuel_31_mid = openmc.Material(material_id=12)
+fuel_31_mid.set_density("g/cc", 9.82)
+fuel_31_mid.temperature = 900
+fuel_31_mid.add_nuclide("U235", 3.1, percent_type="wo")
+fuel_31_mid.add_nuclide("U238", 96.9, percent_type="wo")
+fuel_31_mid.add_nuclide("O16", 13.4529, percent_type="wo")
+
+fuel_31_low = openmc.Material(material_id=13)
+fuel_31_low.set_density("g/cc", 10.298)
+fuel_31_low.temperature = 900
+fuel_31_low.add_nuclide("U235", 3.1, percent_type="wo")
+fuel_31_low.add_nuclide("U238", 96.9, percent_type="wo")
+fuel_31_low.add_nuclide("O16", 13.4529, percent_type="wo")
+
+fuel_31_dep = openmc.Material(material_id=14)
+fuel_31_dep.set_density("g/cc", 10.298)
+fuel_31_dep.temperature = 900
+fuel_31_dep.add_nuclide("U235", 0.72, percent_type="wo")
+fuel_31_dep.add_nuclide("U238", 99.28, percent_type="wo")
+fuel_31_dep.add_nuclide("O16", 13.4529, percent_type="wo")
+fuel_31_dep.add_nuclide("Dy160", 0.1735, percent_type="wo")
+fuel_31_dep.add_nuclide("Dy161", 1.418, percent_type="wo")
+fuel_31_dep.add_nuclide("Dy162", 1.915, percent_type="wo")
+fuel_31_dep.add_nuclide("Dy163", 1.861, percent_type="wo")
+fuel_31_dep.add_nuclide("Dy164", 2.1317, percent_type="wo")
+
+clad = openmc.Material(material_id=2)
+clad.set_density("g/cc", 7.48)
+clad.temperature = 600
+clad.add_nuclide("O16", 0.125, percent_type="wo")
+clad.add_nuclide("Cr50", 0.004345, percent_type="wo")
+clad.add_nuclide("Cr52", 0.083789, percent_type="wo")
+clad.add_nuclide("Cr53", 0.009501, percent_type="wo")
+clad.add_nuclide("Cr54", 0.002365, percent_type="wo")
+clad.add_nuclide("Sn112", 0.014065, percent_type="wo")
+clad.add_nuclide("Sn114", 0.00957, percent_type="wo")
+clad.add_nuclide("Sn115", 0.00493, percent_type="wo")
+clad.add_nuclide("Sn116", 0.21083, percent_type="wo")
+clad.add_nuclide("Sn117", 0.11136, percent_type="wo")
+clad.add_nuclide("Sn118", 0.35119, percent_type="wo")
+clad.add_nuclide("Sn119", 0.124555, percent_type="wo")
+clad.add_nuclide("Sn120", 0.47241, percent_type="wo")
+clad.add_nuclide("Sn122", 0.067135, percent_type="wo")
+clad.add_nuclide("Sn124", 0.083955, percent_type="wo")
+clad.add_nuclide("Fe54", 0.0122745, percent_type="wo")
+clad.add_nuclide("Fe56", 0.1926834, percent_type="wo")
+clad.add_nuclide("Fe57", 0.0044499, percent_type="wo")
+clad.add_nuclide("Fe58", 0.0005922, percent_type="wo")
+clad.add_nuclide("Zr90", 50.48, percent_type="wo")
+clad.add_nuclide("Zr91", 11, percent_type="wo")
+clad.add_nuclide("Zr92", 16.83, percent_type="wo")
+clad.add_nuclide("Zr94", 17.05, percent_type="wo")
+clad.add_nuclide("Zr96", 2.75, percent_type="wo")
+
+water = openmc.Material(material_id=3)
+water.set_density("g/cc", 0.71273)
+water.temperature = 600
+water.add_nuclide("H1", 2/3, percent_type="ao")
+water.add_nuclide("O16", 1/3, percent_type="ao")
+water.add_s_alpha_beta(name='c_H_in_H2O')
+
+tube = openmc.Material(material_id=4)
+tube.set_density("g/cc", 6.57)
+tube.temperature = 600
+tube.add_nuclide("Zr90", 50.16, percent_type="wo")
+tube.add_nuclide("Zr91", 10.94, percent_type="wo")
+tube.add_nuclide("Zr92", 16.72, percent_type="wo")
+tube.add_nuclide("Zr94", 16.945, percent_type="wo")
+tube.add_nuclide("Zr96", 2.73, percent_type="wo")
+tube.add_nuclide("Nb93", 2.5, percent_type="wo")
+
+graphite = openmc.Material(material_id=5)
+graphite.set_density("g/cc", 0.0017)
+graphite.add_nuclide("O16", 2/3, percent_type="ao")
+graphite.add_nuclide("C0", 1/3, percent_type="ao")
+graphite.add_s_alpha_beta(name='c_Graphite')
+
+cal_zirc = openmc.Material(material_id=6)
+cal_zirc.set_density("g/cc", 6.44)
+cal_zirc.temperature = 600
+cal_zirc.add_nuclide("O16", 0.125, percent_type="wo")
+cal_zirc.add_nuclide("Cr50", 0.004345, percent_type="wo")
+cal_zirc.add_nuclide("Cr52", 0.083789, percent_type="wo")
+cal_zirc.add_nuclide("Cr53", 0.009501, percent_type="wo")
+cal_zirc.add_nuclide("Cr54", 0.002365, percent_type="wo")
+cal_zirc.add_nuclide("Sn112", 0.014065, percent_type="wo")
+cal_zirc.add_nuclide("Sn114", 0.00957, percent_type="wo")
+cal_zirc.add_nuclide("Sn115", 0.00493, percent_type="wo")
+cal_zirc.add_nuclide("Sn116", 0.21083, percent_type="wo")
+cal_zirc.add_nuclide("Sn117", 0.11136, percent_type="wo")
+cal_zirc.add_nuclide("Sn118", 0.35119, percent_type="wo")
+cal_zirc.add_nuclide("Sn119", 0.124555, percent_type="wo")
+cal_zirc.add_nuclide("Sn120", 0.47241, percent_type="wo")
+cal_zirc.add_nuclide("Sn122", 0.067135, percent_type="wo")
+cal_zirc.add_nuclide("Sn124", 0.083955, percent_type="wo")
+cal_zirc.add_nuclide("Fe54", 0.0122745, percent_type="wo")
+cal_zirc.add_nuclide("Fe56", 0.1926834, percent_type="wo")
+cal_zirc.add_nuclide("Fe57", 0.004431, percent_type="wo")
+cal_zirc.add_nuclide("Fe58", 0.0005922, percent_type="wo")
+cal_zirc.add_nuclide("Zr90", 50.16, percent_type="wo")
+cal_zirc.add_nuclide("Zr91", 10.94, percent_type="wo")
+cal_zirc.add_nuclide("Zr92", 16.72, percent_type="wo")
+cal_zirc.add_nuclide("Zr94", 17.94, percent_type="wo")
+cal_zirc.add_nuclide("Zr96", 2.73, percent_type="wo")
+
+heavy_water = openmc.Material(material_id=7)
+heavy_water.set_density("g/cc", 1.07801)
+heavy_water.temperature = 1200
+heavy_water.add_nuclide("O16", 1, percent_type="ao")
+heavy_water.add_nuclide("H2", 1.996, percent_type="ao")
+heavy_water.add_nuclide("H1", 0.004,percent_type="ao")
+heavy_water.add_s_alpha_beta(name='c_H_in_H2O')
+heavy_water.add_s_alpha_beta(name='c_D_in_D2O')
+
+materials_file = openmc.Materials([fuel_31_hot, fuel_31_mid, fuel_31_low, fuel_31_dep, clad, water, tube, graphite, cal_zirc, heavy_water])
+materials_file.export_to_xml(path="problem/materials.xml")
+
+################## GEOMETRY ##################
+
+surf1 = openmc.ZCylinder(x0=0.0, y0= 4.384, r = 0.536)
+surf2 = openmc.ZCylinder(x0=1.293, y0= 4.189, r = 0.536)
+surf3 = openmc.ZCylinder(x0=2.47, y0= 3.622, r = 0.536)
+surf4 = openmc.ZCylinder(x0=3.429, y0= 2.732, r = 0.536)
+surf5 = openmc.ZCylinder(x0=4.082, y0= 1.600, r = 0.536)
+surf6 = openmc.ZCylinder(x0=4.372, y0= 0.325, r = 0.536)
+surf7 = openmc.ZCylinder(x0=4.273, y0= -0.980, r = 0.536)
+surf8 = openmc.ZCylinder(x0=3.795, y0= -2.200, r = 0.536)
+surf9 = openmc.ZCylinder(x0=2.979, y0= -3.220, r = 0.536)
+surf10 = openmc.ZCylinder(x0=1.898, y0= -3.950, r = 0.536)
+surf11 = openmc.ZCylinder(x0=0.648, y0= -4.340, r = 0.536)
+surf12 = openmc.ZCylinder(x0=-1.293, y0= 4.189, r = 0.536)
+surf13 = openmc.ZCylinder(x0=-2.47, y0= 3.622, r = 0.536)
+surf14 = openmc.ZCylinder(x0=-3.429, y0= 2.732, r = 0.536)
+surf15 = openmc.ZCylinder(x0=-4.082, y0= 1.600, r = 0.536)
+surf16 = openmc.ZCylinder(x0=-4.372, y0= 0.325, r = 0.536)
+surf17 = openmc.ZCylinder(x0=-4.273, y0= -0.980, r = 0.536)
+surf18 = openmc.ZCylinder(x0=-3.795, y0= -2.200, r = 0.536)
+surf19 = openmc.ZCylinder(x0=-2.979, y0= -3.220, r = 0.536)
+surf20 = openmc.ZCylinder(x0=-1.898, y0= -3.950, r = 0.536)
+surf21 = openmc.ZCylinder(x0=-0.648, y0= -4.340, r = 0.536)
+surf22 = openmc.ZCylinder(x0=0.684, y0= 2.998, r = 0.536)
+surf23 = openmc.ZCylinder(x0=1.918, y0= 2.404, r = 0.536)
+surf24 = openmc.ZCylinder(x0=2.771, y0= 1.333, r = 0.536)
+surf25 = openmc.ZCylinder(x0=3.075, y0= 0.000, r = 0.536)
+surf26 = openmc.ZCylinder(x0=2.77, y0= -1.340, r = 0.536)
+surf27 = openmc.ZCylinder(x0=1.915, y0= -2.410, r = 0.536)
+surf28 = openmc.ZCylinder(x0=0.681, y0= -3.000, r = 0.536)
+surf29 = openmc.ZCylinder(x0=-0.69, y0= -3.000, r = 0.536)
+surf30 = openmc.ZCylinder(x0=-1.92, y0= -2.400, r = 0.536)
+surf31 = openmc.ZCylinder(x0=-2.77, y0= -1.330, r = 0.536)
+surf32 = openmc.ZCylinder(x0=-3.07, y0= -0.006, r = 0.536)
+surf33 = openmc.ZCylinder(x0=-2.77, y0= 1.340, r = 0.536)
+surf34 = openmc.ZCylinder(x0=-1.91, y0= 2.408, r = 0.536)
+surf35 = openmc.ZCylinder(x0=-0.68, y0= 3.000, r = 0.536)
+surf36 = openmc.ZCylinder(x0=0.0, y0= 1.730, r = 0.631)
+surf37 = openmc.ZCylinder(x0=1.353, y0= 1.078, r = 0.631)
+surf38 = openmc.ZCylinder(x0=1.686, y0= -0.390, r = 0.631)
+surf39 = openmc.ZCylinder(x0=0.749, y0= -1.560, r = 0.631)
+surf40 = openmc.ZCylinder(x0=-0.75, y0= -1.560, r = 0.631)
+surf41 = openmc.ZCylinder(x0=-1.69, y0= -0.380, r = 0.631)
+surf42 = openmc.ZCylinder(x0=-1.35, y0= 1.082, r = 0.631)
+surf43 = openmc.ZCylinder(x0=0.00, y0= 0.00, r = 0.631)
+surf44 = openmc.ZCylinder(x0=0.0, y0= 4.384, r = 0.575)
+surf45 = openmc.ZCylinder(x0=1.293, y0= 4.189, r = 0.575)
+surf46 = openmc.ZCylinder(x0=2.47, y0= 3.622, r = 0.575)
+surf47 = openmc.ZCylinder(x0=3.429, y0= 2.732, r = 0.575)
+surf48 = openmc.ZCylinder(x0=4.082, y0= 1.600, r = 0.575)
+surf49 = openmc.ZCylinder(x0=4.372, y0= 0.325, r = 0.575)
+surf50 = openmc.ZCylinder(x0=4.273, y0= -0.980, r = 0.575)
+surf51 = openmc.ZCylinder(x0=3.795, y0= -2.200, r = 0.575)
+surf52 = openmc.ZCylinder(x0=2.979, y0= -3.220, r = 0.575)
+surf53 = openmc.ZCylinder(x0=1.898, y0= -3.950, r = 0.575)
+surf54 = openmc.ZCylinder(x0=0.648, y0= -4.340, r = 0.575)
+surf55 = openmc.ZCylinder(x0=-1.293, y0= 4.189, r = 0.575)
+surf56 = openmc.ZCylinder(x0=-2.47, y0= 3.622, r = 0.575)
+surf57 = openmc.ZCylinder(x0=-3.429, y0= 2.732, r = 0.575)
+surf58 = openmc.ZCylinder(x0=-4.082, y0= 1.600, r = 0.575)
+surf59 = openmc.ZCylinder(x0=-4.372, y0= 0.325, r = 0.575)
+surf60 = openmc.ZCylinder(x0=-4.273, y0= -0.980, r = 0.575)
+surf61 = openmc.ZCylinder(x0=-3.795, y0= -2.200, r = 0.575)
+surf62 = openmc.ZCylinder(x0=-2.979, y0= -3.220, r = 0.575)
+surf63 = openmc.ZCylinder(x0=-1.898, y0= -3.950, r = 0.575)
+surf64 = openmc.ZCylinder(x0=-0.648, y0= -4.340, r = 0.575)
+surf65 = openmc.ZCylinder(x0=0.684, y0= 2.998, r = 0.575)
+surf66 = openmc.ZCylinder(x0=1.918, y0= 2.404, r = 0.575)
+surf67 = openmc.ZCylinder(x0=2.771, y0= 1.333, r = 0.575)
+surf68 = openmc.ZCylinder(x0=3.075, y0= 0.000, r = 0.575)
+surf69 = openmc.ZCylinder(x0=2.77, y0= -1.340, r = 0.575)
+surf70 = openmc.ZCylinder(x0=1.915, y0= -2.410, r = 0.575)
+surf71 = openmc.ZCylinder(x0=0.681, y0= -3.000, r = 0.575)
+surf72 = openmc.ZCylinder(x0=-0.69, y0= -3.000, r = 0.575)
+surf73 = openmc.ZCylinder(x0=-1.92, y0= -2.400, r = 0.575)
+surf74 = openmc.ZCylinder(x0=-2.77, y0= -1.330, r = 0.575)
+surf75 = openmc.ZCylinder(x0=-3.07, y0= -0.006, r = 0.575)
+surf76 = openmc.ZCylinder(x0=-2.77, y0= 1.340, r = 0.575)
+surf77 = openmc.ZCylinder(x0=-1.91, y0= 2.408, r = 0.575)
+surf78 = openmc.ZCylinder(x0=-0.68, y0= 3.000, r = 0.575)
+surf79 = openmc.ZCylinder(x0=0.0, y0= 1.730, r = 0.675)
+surf80 = openmc.ZCylinder(x0=1.353, y0= 1.078, r = 0.675)
+surf81 = openmc.ZCylinder(x0=1.686, y0= -0.390, r = 0.675)
+surf82 = openmc.ZCylinder(x0=0.749, y0= -1.560, r = 0.675)
+surf83 = openmc.ZCylinder(x0=-0.75, y0= -1.560, r = 0.675)
+surf84 = openmc.ZCylinder(x0=-1.69, y0= -0.380, r = 0.675)
+surf85 = openmc.ZCylinder(x0=-1.35, y0= 1.082, r = 0.675)
+surf86 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 0.675)
+surf87 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 5.17)
+surf88 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 5.8189)
+surf89 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 7.55)
+surf90 = openmc.ZCylinder(x0=0.00, y0= 0.0, r = 7.8)
+
+surf91 = openmc.XPlane(x0=-11, boundary_type="reflective")
+surf92 = openmc.XPlane(x0=11, boundary_type="reflective")
+surf93 = openmc.YPlane(y0=-11, boundary_type="reflective")
+surf94 = openmc.YPlane(y0=11, boundary_type="reflective")
+surf95 = openmc.ZPlane(z0=-24.765, boundary_type="reflective")
+surf96 = openmc.ZPlane(z0=24.765, boundary_type="reflective")
+
+univ1 = openmc.Universe(universe_id=1)
+cell1 = openmc.Cell(cell_id=1, fill=fuel_31_hot, region=-surf1 )
+cell2 = openmc.Cell(cell_id=2, fill=fuel_31_hot, region=-surf2 )
+cell3 = openmc.Cell(cell_id=3, fill=fuel_31_hot, region=-surf3 )
+cell4 = openmc.Cell(cell_id=4, fill=fuel_31_hot, region=-surf4 )
+cell5 = openmc.Cell(cell_id=5, fill=fuel_31_hot, region=-surf5 )
+cell6 = openmc.Cell(cell_id=6, fill=fuel_31_hot, region=-surf6 )
+cell7 = openmc.Cell(cell_id=7, fill=fuel_31_hot, region=-surf7 )
+cell8 = openmc.Cell(cell_id=8, fill=fuel_31_hot, region=-surf8 )
+cell9 = openmc.Cell(cell_id=9, fill=fuel_31_hot, region=-surf9 )
+cell10 = openmc.Cell(cell_id=10, fill=fuel_31_hot, region=-surf10)
+cell11 = openmc.Cell(cell_id=11, fill=fuel_31_hot, region=-surf11)
+cell12 = openmc.Cell(cell_id=12, fill=fuel_31_hot, region=-surf12)
+cell13 = openmc.Cell(cell_id=13, fill=fuel_31_hot, region=-surf13)
+cell14 = openmc.Cell(cell_id=14, fill=fuel_31_hot, region=-surf14)
+cell15 = openmc.Cell(cell_id=15, fill=fuel_31_hot, region=-surf15)
+cell16 = openmc.Cell(cell_id=16, fill=fuel_31_hot, region=-surf16)
+cell17 = openmc.Cell(cell_id=17, fill=fuel_31_hot, region=-surf17)
+cell18 = openmc.Cell(cell_id=18, fill=fuel_31_hot, region=-surf18)
+cell19 = openmc.Cell(cell_id=19, fill=fuel_31_hot, region=-surf19)
+cell20 = openmc.Cell(cell_id=20, fill=fuel_31_hot, region=-surf20)
+cell21 = openmc.Cell(cell_id=21, fill=fuel_31_hot, region=-surf21)
+cell22 = openmc.Cell(cell_id=22, fill=fuel_31_mid, region=-surf22)
+cell23 = openmc.Cell(cell_id=23, fill=fuel_31_mid, region=-surf23)
+cell24 = openmc.Cell(cell_id=24, fill=fuel_31_mid, region=-surf24)
+cell25 = openmc.Cell(cell_id=25, fill=fuel_31_mid, region=-surf25)
+cell26 = openmc.Cell(cell_id=26, fill=fuel_31_mid, region=-surf26)
+cell27 = openmc.Cell(cell_id=27, fill=fuel_31_mid, region=-surf27)
+cell28 = openmc.Cell(cell_id=28, fill=fuel_31_mid, region=-surf28)
+cell29 = openmc.Cell(cell_id=29, fill=fuel_31_mid, region=-surf29)
+cell30 = openmc.Cell(cell_id=30, fill=fuel_31_mid, region=-surf30)
+cell31 = openmc.Cell(cell_id=31, fill=fuel_31_mid, region=-surf31)
+cell32 = openmc.Cell(cell_id=32, fill=fuel_31_mid, region=-surf32)
+cell33 = openmc.Cell(cell_id=33, fill=fuel_31_mid, region=-surf33)
+cell34 = openmc.Cell(cell_id=34, fill=fuel_31_mid, region=-surf34)
+cell35 = openmc.Cell(cell_id=35, fill=fuel_31_mid, region=-surf35)
+cell36 = openmc.Cell(cell_id=36, fill=fuel_31_low, region=-surf36)
+cell37 = openmc.Cell(cell_id=37, fill=fuel_31_low, region=-surf37)
+cell38 = openmc.Cell(cell_id=38, fill=fuel_31_low, region=-surf38)
+cell39 = openmc.Cell(cell_id=39, fill=fuel_31_low, region=-surf39)
+cell40 = openmc.Cell(cell_id=40, fill=fuel_31_low, region=-surf40)
+cell41 = openmc.Cell(cell_id=41, fill=fuel_31_low, region=-surf41)
+cell42 = openmc.Cell(cell_id=42, fill=fuel_31_low, region=-surf42)
+cell43 = openmc.Cell(cell_id=43, fill=fuel_31_dep, region=-surf43)
+cell44 = openmc.Cell(cell_id=44, fill=clad, region=+surf1 & -surf44)
+cell45 = openmc.Cell(cell_id=45, fill=clad, region=+surf2 & -surf45)
+cell46 = openmc.Cell(cell_id=46, fill=clad, region=+surf3 & -surf46)
+cell47 = openmc.Cell(cell_id=47, fill=clad, region=+surf4 & -surf47)
+cell48 = openmc.Cell(cell_id=48, fill=clad, region=+surf5 & -surf48)
+cell49 = openmc.Cell(cell_id=49, fill=clad, region=+surf6 & -surf49)
+cell50 = openmc.Cell(cell_id=50, fill=clad, region=+surf7 & -surf50)
+cell51 = openmc.Cell(cell_id=51, fill=clad, region=+surf8 & -surf51)
+cell52 = openmc.Cell(cell_id=52, fill=clad, region=+surf9 & -surf52)
+cell53 = openmc.Cell(cell_id=53, fill=clad, region=+surf10 & -surf53)
+cell54 = openmc.Cell(cell_id=54, fill=clad, region=+surf11 & -surf54)
+cell55 = openmc.Cell(cell_id=55, fill=clad, region=+surf12 & -surf55)
+cell56 = openmc.Cell(cell_id=56, fill=clad, region=+surf13 & -surf56)
+cell57 = openmc.Cell(cell_id=57, fill=clad, region=+surf14 & -surf57)
+cell58 = openmc.Cell(cell_id=58, fill=clad, region=+surf15 & -surf58)
+cell59 = openmc.Cell(cell_id=59, fill=clad, region=+surf16 & -surf59)
+cell60 = openmc.Cell(cell_id=60, fill=clad, region=+surf17 & -surf60)
+cell61 = openmc.Cell(cell_id=61, fill=clad, region=+surf18 & -surf61)
+cell62 = openmc.Cell(cell_id=62, fill=clad, region=+surf19 & -surf62)
+cell63 = openmc.Cell(cell_id=63, fill=clad, region=+surf20 & -surf63)
+cell64 = openmc.Cell(cell_id=64, fill=clad, region=+surf21 & -surf64)
+cell65 = openmc.Cell(cell_id=65, fill=clad, region=+surf22 & -surf65)
+cell66 = openmc.Cell(cell_id=66, fill=clad, region=+surf23 & -surf66)
+cell67 = openmc.Cell(cell_id=67, fill=clad, region=+surf24 & -surf67)
+cell68 = openmc.Cell(cell_id=68, fill=clad, region=+surf25 & -surf68)
+cell69 = openmc.Cell(cell_id=69, fill=clad, region=+surf26 & -surf69)
+cell70 = openmc.Cell(cell_id=70, fill=clad, region=+surf27 & -surf70)
+cell71 = openmc.Cell(cell_id=71, fill=clad, region=+surf28 & -surf71)
+cell72 = openmc.Cell(cell_id=72, fill=clad, region=+surf29 & -surf72)
+cell73 = openmc.Cell(cell_id=73, fill=clad, region=+surf30 & -surf73)
+cell74 = openmc.Cell(cell_id=74, fill=clad, region=+surf31 & -surf74)
+cell75 = openmc.Cell(cell_id=75, fill=clad, region=+surf32 & -surf75)
+cell76 = openmc.Cell(cell_id=76, fill=clad, region=+surf33 & -surf76)
+cell77 = openmc.Cell(cell_id=77, fill=clad, region=+surf34 & -surf77)
+cell78 = openmc.Cell(cell_id=78, fill=clad, region=+surf35 & -surf78)
+cell79 = openmc.Cell(cell_id=79, fill=clad, region=+surf36 & -surf79)
+cell80 = openmc.Cell(cell_id=80, fill=clad, region=+surf37 & -surf80)
+cell81 = openmc.Cell(cell_id=81, fill=clad, region=+surf38 & -surf81)
+cell82 = openmc.Cell(cell_id=82, fill=clad, region=+surf39 & -surf82)
+cell83 = openmc.Cell(cell_id=83, fill=clad, region=+surf40 & -surf83)
+cell84 = openmc.Cell(cell_id=84, fill=clad, region=+surf41 & -surf84)
+cell85 = openmc.Cell(cell_id=85, fill=clad, region=+surf42 & -surf85)
+cell86 = openmc.Cell(cell_id=86, fill=clad, region=+surf43 & -surf86)
+
+cell87 = openmc.Cell(cell_id=87, fill=water, region=-surf87 & +surf44 & +surf43 & +surf45 & +surf46 & +surf47 & +surf48 & +surf49 & +surf50 & +surf51 & +surf52 & +surf53 & +surf54 & +surf55 & +surf56 & +surf57 & +surf58 & +surf59 & +surf60 & +surf61 & +surf62 & +surf63 & +surf64 & +surf65 & +surf66 & +surf67 & +surf68 & +surf69 & +surf70 & +surf71 & +surf72 & +surf73 & +surf74 & +surf75 & +surf76 & +surf77 & +surf78 & +surf79 & +surf80 & +surf81 & +surf82 & +surf83 & +surf84 & +surf85 & +surf86)
+
+cell88 = openmc.Cell(cell_id=88, fill=tube, region=+surf87 & -surf88)
+cell89 = openmc.Cell(cell_id=89, fill=graphite, region=-surf89 & +surf88)
+cell90 = openmc.Cell(cell_id=90, fill=cal_zirc, region=+surf89)
+
+univ1.add_cells([cell1, cell2, cell3, cell4, cell5, cell6, cell7, cell8, cell9, cell10, cell11, cell12, cell13, cell14, cell15, cell16, cell17, cell18, cell19, cell20, cell21, cell22, cell23, cell24, cell25, cell26, cell27, cell28, cell29, cell30, cell31, cell32, cell33, cell34, cell35, cell36, cell37, cell38, cell39, cell40, cell41, cell42, cell43, cell44, cell45, cell46, cell47, cell48, cell49, cell50, cell51, cell52, cell53, cell54, cell55, cell56, cell57, cell58, cell59, cell60, cell61, cell62, cell63, cell64, cell65, cell66, cell67, cell68, cell69, cell70, cell71, cell72, cell73, cell74, cell75, cell76, cell77, cell78, cell79, cell80, cell81, cell82, cell83, cell84, cell85, cell86, cell87, cell88, cell89, cell90])
+
+univ2 = openmc.Universe()
+cell91 = openmc.Cell(fill=univ1, region=-surf90)
+cell92 = openmc.Cell(cell_id=92, fill=heavy_water, region=+surf90)
+univ2.add_cells([cell91, cell92])
+
+cell93 = openmc.Cell(cell_id=93, fill=univ2, region=+surf91 & -surf92 & +surf93 & -surf94 & +surf95 & -surf96)
+univ3 = openmc.Universe(cells=[cell93])
+
+geometry_file = openmc.Geometry(univ3)
+geometry_file.export_to_xml(path="problem/geometry.xml")
+
+################## TALLIES ##################
+
+filter1 = openmc.CellFilter(bins=[93, 87])
+filter2 = openmc.CellFilter(bins=[93, 87])
+filter3 = openmc.CellFilter(bins=[93, 87])
+filter4 = openmc.CellFilter(bins=[93, 87])
+filter5 = openmc.CellFilter(bins=[93, 87])
+filter6 = openmc.CellFilter(bins=[93, 87])
+filter7 = openmc.CellFilter(bins=[93, 87])
+filter8 = openmc.DelayedGroupFilter(bins=[1, 2, 3, 4, 5, 6])
+
+tally1 = openmc.Tally()
+tally1.filters = [filter1]
+tally1.scores = ["flux"]
+
+tally2 = openmc.Tally()
+tally2.filters = [filter1]
+tally2.scores = ["nu-fission"]
+
+tally3 = openmc.Tally()
+tally3.filters = [filter1]
+tally3.scores = ["delayed-nu-fission"]
+
+tally4 = openmc.Tally()
+tally4.filters = [filter1]
+tally4.scores = ["fission"]
+
+tally5 = openmc.Tally()
+tally5.filters = [filter1]
+tally5.scores = ["absorption"]
+
+tally6 = openmc.Tally()
+tally6.filters = [filter1]
+tally6.scores = ["scatter"]
+
+tally7 = openmc.Tally()
+tally7.filters = [filter1]
+tally7.scores = ["total"]
+
+tally8 = openmc.Tally()
+tally8.filters = [filter8]
+tally8.scores = ["delayed-nu-fission"]
+
+tallies_file = openmc.Tallies([tally1, tally2, tally3, tally4, tally5, tally6, tally7, tally8])
+tallies_file.export_to_xml(path="problem/tallies.xml")
+
+################## PLOTS ##################
+
+plot = openmc.Plot()
+plot.pixels = (1000, 1000)
+plot.width = (25.0, 25.0)
+# plot._colors = (123, 123, 231)
+
+plot_file = openmc.Plots([plot])
+plot_file.export_to_xml(path="problem/plots.xml")
+
+################## SETTINGS ##################
+
+settings_file = openmc.Settings()
+settings_file.temperature = {'method': 'interpolation',
+ 'tolerance': 550}
+settings_file.source = openmc.IndependentSource(space=openmc.stats.Box(
+ (-11, -11, -24.765), ( 11, 11, 24.765)))
+settings_file.batches = 600
+settings_file.inactive = 50
+settings_file.particles = 10000
+
+settings_file.export_to_xml(path="problem/settings.xml")
+
+openmc.plot_geometry(cwd='problem')
+openmc.run(cwd='problem')
\ No newline at end of file
diff --git a/ARC700/CANDU 3.1/problem/geometry.xml b/ARC700/CANDU 3.1/problem/geometry.xml
deleted file mode 100644
index 46b98ed..0000000
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+++ /dev/null
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diff --git a/ARC700/CANDU 3.1/problem/materials.xml b/ARC700/CANDU 3.1/problem/materials.xml
deleted file mode 100644
index 5804100..0000000
--- a/ARC700/CANDU 3.1/problem/materials.xml
+++ /dev/null
@@ -1,151 +0,0 @@
-
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- /opt/xdata/endfb-vii.1-hdf5/cross_sections.xml
-
- 71c
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diff --git a/ARC700/CANDU 3.1/problem/plots.xml b/ARC700/CANDU 3.1/problem/plots.xml
deleted file mode 100644
index 9178846..0000000
--- a/ARC700/CANDU 3.1/problem/plots.xml
+++ /dev/null
@@ -1,19 +0,0 @@
-
-
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-
- 0. 0. 0.
- 25.0 25.0
- 1000 1000
-
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diff --git a/ARC700/CANDU 3.1/problem/settings.xml b/ARC700/CANDU 3.1/problem/settings.xml
deleted file mode 100644
index 92c7e8b..0000000
--- a/ARC700/CANDU 3.1/problem/settings.xml
+++ /dev/null
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-
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- 600
- 50
- 10000
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- -11 -11 -24.765
- 11 11 24.765
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diff --git a/ARC700/CANDU 3.1/problem/tallies.xml b/ARC700/CANDU 3.1/problem/tallies.xml
deleted file mode 100644
index 6d61397..0000000
--- a/ARC700/CANDU 3.1/problem/tallies.xml
+++ /dev/null
@@ -1,77 +0,0 @@
-
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- 93 87
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- 93 87
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- 93 87
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- 93 87
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- 1 2 3 4 5 6
-
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- 1
- flux
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- 2
- nu-fission
-
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- 3
- delayed-nu-fission
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- 4
- fission
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- 5
- absorption
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- 6
- scatter
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- 7
- total
-
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- 8
- delayed-nu-fission
-
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