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Showing results 1 to 4 of 4 Search took 0.00 seconds. Search: Posts Made By: ghorrocks

Forum: CFX October 23, 2015, 02:22

Replies: 12 free surface simulation Views: 3,994 Posted By ghorrocks Free surface simulations frequently require... Free surface simulations frequently require transient mode to achieve convergence. This is because the surface waves have very low dissipation and are very difficult to converge. A transient...

Forum: CFX October 22, 2015, 18:55

Replies: 12 free surface simulation Views: 3,994 Posted By ghorrocks Free surface models are very sensitive to mesh... Free surface models are very sensitive to mesh quality and work best with orthogonal mesh, that is hex meshes. The angled faces of tets cause additional dissipation and blur the interface and can...

Forum: CFX October 22, 2015, 17:49

Replies: 12 free surface simulation Views: 3,994 Posted By ghorrocks It could be: * transient behaviour, free... It could be: * transient behaviour, free surface simulations do this a lot. Many free surface simulations require transient simulation despite being steady state. * Generated by spurious currents...

Forum: CFX December 13, 2012, 16:37

Replies: 12 free surface simulation Views: 3,994 Posted By ghorrocks Spurious currents at the free surface is a common... Spurious currents at the free surface is a common problem with free surface simulations. They are very hard to eliminate in a eularian approach. You can minimise them by careful adhustment of the...

Showing results 1 to 4 of 4

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