sliding mesh error -- CFD Online Discussion Forums

July 8, 2014, 08:03

sliding mesh error

olux

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Join Date: Jul 2014

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Hi everyone!
I am trying to simulate a simple rotating cylinder using sliding mesh.However after two time steps ,negative cells volume are detected at 4 connector points on the interface curve.
My time step is 5e-5s,which is equal to one cell length.
By the way, when I change the time step to 0.01s(one cycle) ,the cylinder can rotate good.
Could anyone give me some suggestions? Thank you!!

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