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2D layering method problem

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Old   February 15, 2016, 04:09
Default 2D layering method problem
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Halewijn Wayenberg
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Hi everyone,

I want to simulate a simple problem where 2 objects pass each other at a high velocity. For this I use the layering method where I divide my mapped mesh in 2 sides, each one moving in the opposite direction. In between is an interface.

My results seem decent enough in most timesteps but every couple of timesteps I have a few of them that don't converge and are unrealistic. Afterwards they become decent again. Because of this I suppose it could be related to the relative position of the 2 meshes.

Is this a known problem for layering? Any ideas how to solve this?
Many thanks
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