diff --git a/doc/content/source/actions/NtAction.md b/doc/content/source/actions/NtAction.md index bdbf3a590..65faac4c9 100644 --- a/doc/content/source/actions/NtAction.md +++ b/doc/content/source/actions/NtAction.md @@ -1,26 +1,33 @@ # NtAction !alert note -This action sets up ONLY the variables, kernels, and BCs for neutron diffusion, NOT the variables, kernels, and BCs for precursor tracking. +This action sets up ONLY the variables, kernels, and BCs for neutron diffusion, +NOT the variables, kernels, and BCs for precursor tracking. To generate these, see [PrecursorAction](PrecursorAction.md). !syntax description /Nt/NtAction ## Overview -```NtAction``` greatly reduces input file length and complexity by automatically setting up variables, kernels, and BCs for the neutron diffusion equations. -When including only the required input parameters, this action constructs the neutron group variables and their associated kernels: -[SigmaR](SigmaR.md), [GroupDiffusion](GroupDiffusion.md), [InScatter](InScatter.md), and [CoupledFissionKernel](CoupledFissionKernel.md). -With ```account_delayed``` set to ```True```, [DelayedNeutronSource](DelayedNeutronSource.md) is also constructed, +```NtAction``` greatly reduces input file length and complexity by automatically +setting up variables, kernels, and BCs for the neutron diffusion equations. +When including only the required input parameters, this action constructs the +neutron group variables and their associated kernels: +[SigmaR](SigmaR.md), [GroupDiffusion](GroupDiffusion.md), +[InScatter](InScatter.md), and [CoupledFissionKernel](CoupledFissionKernel.md). +With ```account_delayed``` set to ```True```, +[DelayedNeutronSource](DelayedNeutronSource.md) is also constructed, otherwise this kernel is not constructed and the simulation does not consider the delayed neutron precursor effects on the neutron flux distributions. -For more information regarding the use of ```NtAction``` please refer to the tutorials located [here](tutorials.md), -specifically the +Multiphysics Reactor Simulations+ section. +For more information regarding the use of ```NtAction``` please refer to the +tutorials located [here](tutorials.md), specifically the +Multiphysics Reactor +Simulations+ section. ## Example Input File Syntax -An example input file without the ```NtAction```, showing only the portion affected by the action: +An example input file without the ```NtAction```, showing only the portion +affected by the action: !listing tutorial/eigenvalue/nts.i start=Variables end=Materials remove=Precursors