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Old   March 16, 2011, 05:31
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Yeah, I am also using a physical beach, this does help with reflection but does not change the damping. What kind of grid are you using? Have you refined it in the region where the free surface is? What I noticed is that the damping gets worse when the cells are stretched quite a lot. There is a paper that has investigated all of these problems: http://www.ipen.org.br/Artigos-congr...NA2010-141.pdf. I am trying to reproduce their results, but for some reason I get excessive damping.
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