From 26a51943e5bb1ae53a056b51971c5cffbb61ac56 Mon Sep 17 00:00:00 2001 From: Will Boyd Date: Tue, 13 Oct 2015 01:07:25 -0400 Subject: [PATCH] Added Library.correction attribute with default P0 setting --- .../examples/multi-group-cross-sections.ipynb | 70 +++++++++---------- openmc/mgxs/library.py | 19 ++++- 2 files changed, 53 insertions(+), 36 deletions(-) diff --git a/docs/source/pythonapi/examples/multi-group-cross-sections.ipynb b/docs/source/pythonapi/examples/multi-group-cross-sections.ipynb index ada6989b4b..62b22474d6 100644 --- a/docs/source/pythonapi/examples/multi-group-cross-sections.ipynb +++ b/docs/source/pythonapi/examples/multi-group-cross-sections.ipynb @@ -466,7 +466,7 @@ " License: http://mit-crpg.github.io/openmc/license.html\n", " Version: 0.7.0\n", " Git SHA1: 170155e8d7935b57fad57bfad6aff1034a80206e\n", - " Date/Time: 2015-10-13 00:55:08\n", + " Date/Time: 2015-10-13 01:03:58\n", " MPI Processes: 1\n", "\n", " ===========================================================================\n", @@ -551,20 +551,20 @@ "\n", " =======================> TIMING STATISTICS <=======================\n", "\n", - " Total time for initialization = 3.9300E-01 seconds\n", - " Reading cross sections = 9.1000E-02 seconds\n", - " Total time in simulation = 1.2182E+01 seconds\n", - " Time in transport only = 1.2171E+01 seconds\n", - " Time in inactive batches = 1.7420E+00 seconds\n", - " Time in active batches = 1.0440E+01 seconds\n", - " Time synchronizing fission bank = 3.0000E-03 seconds\n", - " Sampling source sites = 1.0000E-03 seconds\n", - " SEND/RECV source sites = 0.0000E+00 seconds\n", + " Total time for initialization = 4.5700E-01 seconds\n", + " Reading cross sections = 9.9000E-02 seconds\n", + " Total time in simulation = 1.2109E+01 seconds\n", + " Time in transport only = 1.2098E+01 seconds\n", + " Time in inactive batches = 1.8860E+00 seconds\n", + " Time in active batches = 1.0223E+01 seconds\n", + " Time synchronizing fission bank = 4.0000E-03 seconds\n", + " Sampling source sites = 3.0000E-03 seconds\n", + " SEND/RECV source sites = 1.0000E-03 seconds\n", " Time accumulating tallies = 0.0000E+00 seconds\n", - " Total time for finalization = 1.0000E-03 seconds\n", - " Total time elapsed = 1.2585E+01 seconds\n", - " Calculation Rate (inactive) = 14351.3 neutrons/second\n", - " Calculation Rate (active) = 9578.54 neutrons/second\n", + " Total time for finalization = 2.0000E-03 seconds\n", + " Total time elapsed = 1.2577E+01 seconds\n", + " Calculation Rate (inactive) = 13255.6 neutrons/second\n", + " Calculation Rate (active) = 9781.86 neutrons/second\n", "\n", " ============================> RESULTS <============================\n", "\n", @@ -1407,7 +1407,7 @@ }, { "cell_type": "code", - "execution_count": 35, + "execution_count": 34, "metadata": { "collapsed": false }, @@ -1430,14 +1430,14 @@ }, { "cell_type": "code", - "execution_count": 36, + "execution_count": 35, "metadata": { "collapsed": false }, "outputs": [], "source": [ "# Create a tally trigger set to 10% on the relative error\n", - "tally_trigger = openmc.Trigger('variance', 1E-5)\n", + "tally_trigger = openmc.Trigger('rel_err', 1E-1)\n", "\n", "# Add the tally trigger to each of the multi-group cross section tallies\n", "for cell in openmc_cells:\n", @@ -1459,7 +1459,7 @@ }, { "cell_type": "code", - "execution_count": 37, + "execution_count": 36, "metadata": { "collapsed": false }, @@ -1499,7 +1499,7 @@ }, { "cell_type": "code", - "execution_count": 38, + "execution_count": 37, "metadata": { "collapsed": false }, @@ -1525,7 +1525,7 @@ " License: http://mit-crpg.github.io/openmc/license.html\n", " Version: 0.7.0\n", " Git SHA1: 170155e8d7935b57fad57bfad6aff1034a80206e\n", - " Date/Time: 2015-10-13 00:55:22\n", + " Date/Time: 2015-10-13 01:04:11\n", " MPI Processes: 1\n", "\n", " ===========================================================================\n", @@ -1611,20 +1611,20 @@ "\n", " =======================> TIMING STATISTICS <=======================\n", "\n", - " Total time for initialization = 3.9200E-01 seconds\n", - " Reading cross sections = 8.7000E-02 seconds\n", - " Total time in simulation = 3.2711E+01 seconds\n", - " Time in transport only = 3.2694E+01 seconds\n", - " Time in inactive batches = 3.2750E+00 seconds\n", - " Time in active batches = 2.9436E+01 seconds\n", - " Time synchronizing fission bank = 4.0000E-03 seconds\n", - " Sampling source sites = 1.0000E-03 seconds\n", - " SEND/RECV source sites = 1.0000E-03 seconds\n", - " Time accumulating tallies = 0.0000E+00 seconds\n", + " Total time for initialization = 3.8500E-01 seconds\n", + " Reading cross sections = 8.8000E-02 seconds\n", + " Total time in simulation = 3.2702E+01 seconds\n", + " Time in transport only = 3.2685E+01 seconds\n", + " Time in inactive batches = 3.3740E+00 seconds\n", + " Time in active batches = 2.9328E+01 seconds\n", + " Time synchronizing fission bank = 3.0000E-03 seconds\n", + " Sampling source sites = 2.0000E-03 seconds\n", + " SEND/RECV source sites = 0.0000E+00 seconds\n", + " Time accumulating tallies = 2.0000E-03 seconds\n", " Total time for finalization = 8.0000E-03 seconds\n", - " Total time elapsed = 3.3120E+01 seconds\n", - " Calculation Rate (inactive) = 7633.59 neutrons/second\n", - " Calculation Rate (active) = 3397.20 neutrons/second\n", + " Total time elapsed = 3.3103E+01 seconds\n", + " Calculation Rate (inactive) = 7409.60 neutrons/second\n", + " Calculation Rate (active) = 3409.71 neutrons/second\n", "\n", " ============================> RESULTS <============================\n", "\n", @@ -1642,7 +1642,7 @@ "0" ] }, - "execution_count": 38, + "execution_count": 37, "metadata": {}, "output_type": "execute_result" } @@ -2012,7 +2012,7 @@ "data": { "image/png": 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"text/plain": [ - "" + "" ] }, "metadata": {}, diff --git a/openmc/mgxs/library.py b/openmc/mgxs/library.py index 1159dbe563..0c4c360792 100644 --- a/openmc/mgxs/library.py +++ b/openmc/mgxs/library.py @@ -48,6 +48,8 @@ class Library(object): The types of cross sections in the library (e.g., ['total', 'scatter']) domain_type : {'material', 'cell', 'distribcell', 'universe'} Domain type for spatial homogenization + correction : 'P0' or None + Apply the P0 correction to scattering matrices if set to 'P0' energy_groups : EnergyGroups Energy group structure for energy condensation tally_trigger : Trigger @@ -71,6 +73,7 @@ class Library(object): self._by_nuclide = None self._mgxs_types = [] self._domain_type = None + self._correction = 'P0' self._energy_groups = None self._tally_trigger = None self._all_mgxs = OrderedDict() @@ -94,6 +97,7 @@ class Library(object): clone._by_nuclide = self.by_nuclide clone._mgxs_types = self.mgxs_types clone._domain_type = self.domain_type + clone._correction = self.correction clone._energy_groups = copy.deepcopy(self.energy_groups, memo) clone._tally_trigger = copy.deepcopy(self.tally_trigger, memo) clone._all_mgxs = self.all_mgxs @@ -146,6 +150,10 @@ class Library(object): def domain_type(self): return self._domain_type + @property + def correction(self): + return self._correction + @property def energy_groups(self): return self._energy_groups @@ -196,6 +204,11 @@ class Library(object): cv.check_value('domain type', domain_type, tuple(openmc.mgxs.DOMAIN_TYPES)) self._domain_type = domain_type + @correction.setter + def correction(self, correction): + cv.check_value('correction', correction, ('P0', None)) + self._correction = correction + @energy_groups.setter def energy_groups(self, energy_groups): cv.check_type('energy groups', energy_groups, openmc.mgxs.EnergyGroups) @@ -294,7 +307,11 @@ class Library(object): for mgxs_type in self.mgxs_types: mgxs = self.get_mgxs(domain, mgxs_type) mgxs.load_from_statepoint(statepoint) - mgxs.compute_xs() + + if isinstance(mgxs, openmc.mgxs.ScatterMatrixXS): + mgxs.compute_xs(correction=self.correction) + else: + mgxs.compute_xs() def get_mgxs(self, domain, mgxs_type): """Return the MGXS object for some domain and reaction rate type.