From aff74e4830a6bf5c31bf64bd07aa629f208441ac Mon Sep 17 00:00:00 2001
From: Felix <feh7@hi.is>
Date: Sat, 24 Apr 2021 22:59:27 +0000
Subject: [PATCH] max delta T because it became > 1 some times

---
 openfoam2012/freeCylinderFlow/system/controlDict | 1 +
 1 file changed, 1 insertion(+)

diff --git a/openfoam2012/freeCylinderFlow/system/controlDict b/openfoam2012/freeCylinderFlow/system/controlDict
index d61a09d..f9af003 100644
--- a/openfoam2012/freeCylinderFlow/system/controlDict
+++ b/openfoam2012/freeCylinderFlow/system/controlDict
@@ -32,6 +32,7 @@ deltaT          0.01;
 
 adjustTimeStep  yes;
 maxCo           1;  // according to some forum, this does not destroy stability but accuracy
+maxDeltaT       0.1;  // otherwise for low Reynold numbers, time step became > 1 s
 
 writeControl    runTime;
 
-- 
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