about the top of the mixing tank -- CFD Online Discussion Forums

August 18, 2010, 02:43	about the top of the mixing tank	#1
boh_tea New Member Ming Join Date: Jul 2010 Posts: 12 Rep Power: 15	Hi all, Is it possible to make the top of a stirred tank become a free surface such as in the real life mixing condition where on top of the mixing fluid is air?Is it possible to achieve that by setting velocity gradient or pressure gradient of the top to 0?Or can i patch a air region to the top of the tank (without VOF model)?Or reconstruct the geometry with 1 region of fluid(air) above the fluid(mixing fluid) would do? Thanks!

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