LTSReactingFoam, reactingFoam counterFlowFlame2D: Chemistry is not stiff

and low accuracy is required so EulerImplicit is more efficient
2025-11-28 03:28:01 +00:00 · 2013-11-04 13:13:06 +00:00
parent 9cf8abca94
commit 5c3df09323
2 changed files with 3 additions and 3 deletions
--- a/tutorials/combustion/LTSReactingFoam/ras/counterFlowFlame2D/constant/chemistryProperties
+++ b/tutorials/combustion/LTSReactingFoam/ras/counterFlowFlame2D/constant/chemistryProperties
@ -17,7 +17,7 @@ FoamFile

 chemistryType
 {
-    chemistrySolver   ode;
+    chemistrySolver   EulerImplicit;
    chemistryThermo   psi;
 }

--- a/tutorials/combustion/chemFoam/gri/constant/chemistryProperties
+++ b/tutorials/combustion/chemFoam/gri/constant/chemistryProperties
@ -33,9 +33,9 @@ EulerImplicitCoeffs

 odeCoeffs
 {
-    solver          SIBS;
+    solver          Rosenbrock43;
    absTol          1e-12;
-    relTol          1e-4;
+    relTol          1e-2;
 }