Performance Issue rhoPimpleDyMFoam -- CFD Online Discussion Forums

March 9, 2020, 10:59	Performance Issue rhoPimpleDyMFoam	#1
MNoCeZ New Member Join Date: Sep 2017 Posts: 12 Rep Power: 9	Hello everybody, currently I am working on a simulation with a moving block. After this block follows another not moving block. Both blocks are connected by the cyclicPeriodicAMI patch. Now I noticed that rhoPimpleDyMFoam needs 10 times more time to calculate a time step than rhoPimpleFoam. Does anyone have any experience with this and could give me some tips? I also noticed that most of the time is needed to "map" the patches and that additional processors do not increase performance. Best regards MNoCeZ

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