From 8e4c8721591e91a6a5d232a5adecbea6bdeafc03 Mon Sep 17 00:00:00 2001 From: Jordan Musser Date: Sun, 14 Jul 2024 12:21:42 -0400 Subject: [PATCH] Add keyword note to ignore NASA7 poly discontinuities --- docs/source_docs/user_guide/inputs/species_defs.rst | 10 ++++++++++ 1 file changed, 10 insertions(+) diff --git a/docs/source_docs/user_guide/inputs/species_defs.rst b/docs/source_docs/user_guide/inputs/species_defs.rst index 4ae644e..4032718 100644 --- a/docs/source_docs/user_guide/inputs/species_defs.rst +++ b/docs/source_docs/user_guide/inputs/species_defs.rst @@ -42,6 +42,16 @@ The following inputs are defined using the ``species`` prefix. | | :math:`c_p(T) = \sum_{i=0}^5 a_iT^i` | | | | | | | | +--------------------------+------------------------------------------------------------------------+----------+-----------+ +| ignore_discontinuities | MFIX-Exa asserts that the low and high NASA-7 polynomials are | int | 0 | +| | continuous at the 1000K temperature split. However, some polynomials | | | +| | do not have valid high temperature coefficients, for example, liquid | | | +| | water. By setting this keyword to 1, the simulation will only warn | | | +| | that the polynomials are discontinuous. Simulations that use | | | +| | discontinuous polynomials and cross between the 1000K temperature | | | +| | split may fail when computing temperature from enthalpy. | | | +| | Therefore, this option should only be used when the simulation is not | | | +| | expected to cross over the transition temperature. | | | ++--------------------------+------------------------------------------------------------------------+----------+-----------+ The following inputs are for each species defined using the ``species.[species name]`` prefix. -- GitLab