chemFoam tutorials: Changed ODE solver to rodas32 which is fastest and robust

tutorials/combustion/chemFoam/gri/constant/chemistryProperties

@@ -23,7 +23,7 @@ chemistryType
 
 chemistry       on;
 
-initialChemicalTimeStep 1e-6;
+initialChemicalTimeStep 1e-7;
 
 EulerImplicitCoeffs
 {
@@ -33,9 +33,9 @@ EulerImplicitCoeffs
 
 odeCoeffs
 {
-    solver          Rosenbrock43;
+    solver          rodas32;
     absTol          1e-12;
-    relTol          1e-2;
+    relTol          1e-1;
 }
 
 

tutorials/combustion/chemFoam/h2/constant/chemistryProperties

@@ -23,13 +23,19 @@ chemistryType
 
 chemistry       on;
 
-initialChemicalTimeStep 1e-10;
+initialChemicalTimeStep 1e-7;
+
+EulerImplicitCoeffs
+{
+    cTauChem        1;
+    equilibriumRateLimiter off;
+}
 
 odeCoeffs
 {
-    solver          SIBS;
+    solver          rodas32;
     absTol          1e-12;
-    relTol          1e-2;
+    relTol          1e-1;
 }
 
 

tutorials/combustion/chemFoam/ic8h18/constant/chemistryProperties

@@ -23,13 +23,19 @@ chemistryType
 
 chemistry       on;
 
-initialChemicalTimeStep 1e-10;
+initialChemicalTimeStep 1e-7;
+
+EulerImplicitCoeffs
+{
+    cTauChem        1;
+    equilibriumRateLimiter off;
+}
 
 odeCoeffs
 {
-    solver          SIBS;
+    solver          rodas32;
     absTol          1e-12;
-    relTol          1e-3;
+    relTol          1e-1;
 }
 
 

tutorials/combustion/chemFoam/nc7h16/constant/chemistryProperties

@@ -23,13 +23,19 @@ chemistryType
 
 chemistry       on;
 
-initialChemicalTimeStep 1e-10;
+initialChemicalTimeStep 1e-7;
+
+EulerImplicitCoeffs
+{
+    cTauChem        10;
+    equilibriumRateLimiter no;
+}
 
 odeCoeffs
 {
-    solver          SIBS;
+    solver          rodas32;
     absTol          1e-14;
-    relTol          1e-4;
+    relTol          1e-1;
 }