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Code Issues Projects Releases Packages Wiki Activity Actions 5

cleaned up chi equations in python API and added new MGXS to documentation

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Sam Shaner 2016-07-29 15:36:58 -04:00
parent 2342d17431
commit 3c94a733ef
2 changed files with 13 additions and 10 deletions
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3
docs/source/pythonapi/index.rst
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@ -269,13 +269,16 @@ Multi-group Cross Sections
openmc.mgxs.AbsorptionXS
openmc.mgxs.CaptureXS
openmc.mgxs.Chi
openmc.mgxs.ChiPrompt
openmc.mgxs.FissionXS
openmc.mgxs.InverseVelocity
openmc.mgxs.KappaFissionXS
openmc.mgxs.MultiplicityMatrixXS
openmc.mgxs.NuFissionXS
openmc.mgxs.NuFissionMatrixXS
openmc.mgxs.NuScatterXS
openmc.mgxs.NuScatterMatrixXS
openmc.mgxs.PromptNuFissionXS
openmc.mgxs.ScatterXS
openmc.mgxs.ScatterMatrixXS
openmc.mgxs.TotalXS

20
openmc/mgxs/mgxs.py
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@ -4209,14 +4209,14 @@ class Chi(MGXS):
.. math::
\langle \nu\sigma_{f,\rightarrow g} \phi \rangle &= \int_{r \in V} dr
\langle \nu\sigma_{f,g' \rightarrow g} \phi \rangle &= \int_{r \in V} dr
\int_{4\pi} d\Omega' \int_0^\infty dE' \int_{E_g}^{E_{g-1}} dE \; \chi(E)
\nu\sigma_f (r, E') \psi(r, E', \Omega')\\
\langle \nu\sigma_f \phi \rangle &= \int_{r \in V} dr \int_{4\pi}
d\Omega' \int_0^\infty dE' \int_0^\infty dE \; \chi(E) \nu\sigma_f (r,
E') \psi(r, E', \Omega') \\
\chi_g &= \frac{\langle \nu\sigma_{f,\rightarrow g} \phi \rangle}{\langle
\nu\sigma_f \phi \rangle}
\chi_g &= \frac{\langle \nu\sigma_{f,g' \rightarrow g} \phi \rangle}
{\langle \nu\sigma_f \phi \rangle}
Parameters
----------
@ -4692,14 +4692,14 @@ class ChiPrompt(Chi):
.. math::
\langle \nu\sigma_{f,\rightarrow g}^p \phi \rangle &= \int_{r \in V} dr
\int_{4\pi} d\Omega' \int_0^\infty dE' \int_{E_g}^{E_{g-1}} dE \; \chi(E)
\nu\sigma_f^p (r, E') \psi(r, E', \Omega')\\
\langle \nu\sigma_f^p \phi \rangle &= \int_{r \in V} dr \int_{4\pi}
d\Omega' \int_0^\infty dE' \int_0^\infty dE \; \chi(E) \nu\sigma_f^p (r,
\langle \nu^p \sigma_{f,g' \rightarrow g} \phi \rangle &= \int_{r \in V}
dr \int_{4\pi} d\Omega' \int_0^\infty dE' \int_{E_g}^{E_{g-1}} dE \;
\chi(E) \nu^p \sigma_f (r, E') \psi(r, E', \Omega')\\
\langle \nu^p \sigma_f \phi \rangle &= \int_{r \in V} dr \int_{4\pi}
d\Omega' \int_0^\infty dE' \int_0^\infty dE \; \chi(E) \nu^p \sigma_f (r,
E') \psi(r, E', \Omega') \\
\chi_g^p &= \frac{\langle \nu\sigma_{f,\rightarrow g}^p \phi \rangle}{\langle
\nu\sigma_f^p \phi \rangle}
\chi_g^p &= \frac{\langle \nu^p \sigma_{f,g' \rightarrow g} \phi \rangle}
{\langle \nu^p \sigma_f \phi \rangle}
Parameters
----------