From d073e483b8d231e0fbfc1dc6d444b1904e6f5875 Mon Sep 17 00:00:00 2001
From: Henry Weller <http://cfd.direct>
Date: Sun, 1 Nov 2015 12:24:25 +0000
Subject: [PATCH] tutorials/incompressible/simpleFoam/pitzDaily: Change default
model to kEpsilon and reduce relaxation factors to improve stability over a
range of models and systems.
---
.../simpleFoam/pitzDaily/constant/turbulenceProperties | 2 +-
.../incompressible/simpleFoam/pitzDaily/system/fvSolution | 4 ++--
2 files changed, 3 insertions(+), 3 deletions(-)
diff --git a/tutorials/incompressible/simpleFoam/pitzDaily/constant/turbulenceProperties b/tutorials/incompressible/simpleFoam/pitzDaily/constant/turbulenceProperties
index 147c6edaf56..98c1eb5eea8 100644
--- a/tutorials/incompressible/simpleFoam/pitzDaily/constant/turbulenceProperties
+++ b/tutorials/incompressible/simpleFoam/pitzDaily/constant/turbulenceProperties
@@ -21,7 +21,7 @@ RAS
{
// Tested with kEpsilon, realizableKE, kOmega, kOmegaSST, v2f,
// ShihQuadraticKE, LienCubicKE.
- RASModel v2f;
+ RASModel kEpsilon;
turbulence on;
diff --git a/tutorials/incompressible/simpleFoam/pitzDaily/system/fvSolution b/tutorials/incompressible/simpleFoam/pitzDaily/system/fvSolution
index 9a4ad934217..230f9706db0 100644
--- a/tutorials/incompressible/simpleFoam/pitzDaily/system/fvSolution
+++ b/tutorials/incompressible/simpleFoam/pitzDaily/system/fvSolution
@@ -57,8 +57,8 @@ relaxationFactors
{
equations
{
- U 0.95;
- ".*" 0.95;
+ U 0.9; // 0.9 is more stable but 0.95 more convergent
+ ".*" 0.9; // 0.9 is more stable but 0.95 more convergent
}
}
--
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