From 69ffc9051f08262360252d6298e6bd4329d5db28 Mon Sep 17 00:00:00 2001
From: Henry <Henry>
Date: Thu, 7 Nov 2013 09:38:20 +0000
Subject: [PATCH] chemFoam tutorials: Changed ODE solver to rodas32 which is
fastest and robust
---
.../chemFoam/gri/constant/chemistryProperties | 6 +++---
.../chemFoam/h2/constant/chemistryProperties | 12 +++++++++---
.../chemFoam/ic8h18/constant/chemistryProperties | 12 +++++++++---
.../chemFoam/nc7h16/constant/chemistryProperties | 12 +++++++++---
4 files changed, 30 insertions(+), 12 deletions(-)
diff --git a/tutorials/combustion/chemFoam/gri/constant/chemistryProperties b/tutorials/combustion/chemFoam/gri/constant/chemistryProperties
index e65509f3962..314f83cc2da 100644
--- a/tutorials/combustion/chemFoam/gri/constant/chemistryProperties
+++ b/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;
}
diff --git a/tutorials/combustion/chemFoam/h2/constant/chemistryProperties b/tutorials/combustion/chemFoam/h2/constant/chemistryProperties
index 2c0182864e6..314f83cc2da 100644
--- a/tutorials/combustion/chemFoam/h2/constant/chemistryProperties
+++ b/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;
}
diff --git a/tutorials/combustion/chemFoam/ic8h18/constant/chemistryProperties b/tutorials/combustion/chemFoam/ic8h18/constant/chemistryProperties
index 7528b62231a..314f83cc2da 100644
--- a/tutorials/combustion/chemFoam/ic8h18/constant/chemistryProperties
+++ b/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;
}
diff --git a/tutorials/combustion/chemFoam/nc7h16/constant/chemistryProperties b/tutorials/combustion/chemFoam/nc7h16/constant/chemistryProperties
index d7e58ddc143..aee69a3239e 100644
--- a/tutorials/combustion/chemFoam/nc7h16/constant/chemistryProperties
+++ b/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;
}
--
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