From 3646430795ceb79b8908cf5a5c08551f1fca9a94 Mon Sep 17 00:00:00 2001
From: Felix <feh7@hi.is>
Date: Sat, 24 Apr 2021 13:56:16 +0000
Subject: [PATCH] parameters
---
openfoam2012/freeCylinderFlow/parameters | 6 +++---
openfoam2012/freeCylinderFlow/system/controlDict | 6 +++---
openfoam2012/runmany.sh | 15 +++++++++++++++
3 files changed, 21 insertions(+), 6 deletions(-)
create mode 100644 openfoam2012/runmany.sh
diff --git a/openfoam2012/freeCylinderFlow/parameters b/openfoam2012/freeCylinderFlow/parameters
index 0dd2342..6813a46 100644
--- a/openfoam2012/freeCylinderFlow/parameters
+++ b/openfoam2012/freeCylinderFlow/parameters
@@ -1,8 +1,8 @@
N 1;
-inVelocity 10;
+inVelocity 2e-1;
Tinf 300;
-Tw 310;
-Pr_t 1;
+Tw 400;
+Pr_t 1.0;
thickness 1;
radius 1;
end_Time 100;
diff --git a/openfoam2012/freeCylinderFlow/system/controlDict b/openfoam2012/freeCylinderFlow/system/controlDict
index 5936f7f..d61a09d 100644
--- a/openfoam2012/freeCylinderFlow/system/controlDict
+++ b/openfoam2012/freeCylinderFlow/system/controlDict
@@ -28,14 +28,14 @@ stopAt endTime;
/* endTime 1000; */
endTime $end_Time; // hoping that steady state or regular fluctuation is reached
-deltaT 1;
+deltaT 0.01;
adjustTimeStep yes;
-maxCo 1;
+maxCo 1; // according to some forum, this does not destroy stability but accuracy
writeControl runTime;
-writeInterval 2;
+writeInterval 0.1;
purgeWrite 0;
diff --git a/openfoam2012/runmany.sh b/openfoam2012/runmany.sh
new file mode 100644
index 0000000..e5c155b
--- /dev/null
+++ b/openfoam2012/runmany.sh
@@ -0,0 +1,15 @@
+#! /usr/bin/env sh
+set -e
+top="${pwd}"
+for n in 1 2
+do
+ for logu in -1 0 1 2
+ do
+ new="freeCylinderFlow-N${n}-u${logu}"
+ cp -r freeCylinderFlow ${new}
+ cd "${new}"
+ sed -i 's#^inVelocity .*;$#inVelocity 2e'"${logu}"';' parameters
+ grep --quiet "2e${logu}" parameters # should crash script if grep does not find it
+ ./run.sh $n
+ done
+done
--
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