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[help]Why 6.3 beats 14.0 in this case??

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Old   July 24, 2013, 12:14
Default [help]Why 6.3 beats 14.0 in this case??
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Wang Qi
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I am recently working on simulating a square dropping into water, here is the Youtube tutorial
It is fine using Fluent 6.3
however, when using Ansys 14.0, it gets very strange result:
When the square approaches the surface, the surface concave down(as if pressed by the zone moving-fluid, not only moving-walls).
When the square is in the water, oscilation occurs and water begins to explode...
I still want to use 14.0, is there anyone who can help me on this issue?
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