diff --git a/docs/source/methods/depletion.rst b/docs/source/methods/depletion.rst index 84b37a622..8e943a8e8 100644 --- a/docs/source/methods/depletion.rst +++ b/docs/source/methods/depletion.rst @@ -204,7 +204,7 @@ complicated by the fact that the branching ratio may depend on the incident neutron energy causing capture. OpenMC does not currently allow energy-dependent capture branching ratios. -However, the depletion chain file does allows a transmutation reaction to be +However, the depletion chain file does allow a transmutation reaction to be listed multiple times with different branching ratios resulting in different products. Spectrum-averaged capture branching ratios have been computed in LWR and SFR spectra and are available at https://openmc.org/depletion-chains. @@ -225,6 +225,9 @@ of FPY: 3. Compute the average energy at which fission events occur and use an effective FPY by linearly interpolating between FPY provided at neighboring energies. +The method can be selected through the ``fission_yield_mode`` argument to the +:class:`openmc.deplete.Operator` constructor. + Power Normalization ------------------- @@ -240,3 +243,6 @@ user to choose one of two methods for estimating the heating rate, including: other codes that use fixed Q values), or 2. Using the ``heating`` or ``heating-local`` scores to obtain an nuclide- and energy-dependent estimate of the true heating rate. + +The method for normalization can be chosen through the ``energy_mode`` argument +to the :class:`openmc.deplete.Operator` class.