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INTRODUCE A MACRO FOR AVOID SMEARING IN VOF in ccm+ |
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March 4, 2010, 04:09 |
INTRODUCE A MACRO FOR AVOID SMEARING IN VOF in ccm+
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davide
Join Date: Sep 2009
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" The numerical accuracy of the VOF method depends highly on the interface resolution. To prevent the solution from becoming too smearing due to numerical diffusion, a compression procedure is developed to perform VOF interface rescaling such that the average thickness within the interface (0.1 < alfa < 0.9) is kept constant through out the computation. The interface et solution compression procedure is expressed as: alfa_new = Max{0, Min[ 1, 0.5+ f(alfa_old-0.5)]} and f= (Interface Thickness)_new / (Interface Thickness)_initial " by Yen-Sen Chen, Huan-Min Shang and Paul Liaw Engineering Sciences, Inc. Huntsville, AL 35802 I wonder if it's possible to implemet and how it is possible to write a routine to do that in CCM+ Thank you very much |
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smearing vof, vof |
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