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how to calculate the gradient of volume fraction

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Old   July 1, 2005, 08:43
Default how to calculate the gradient of volume fraction
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hxhua
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Hi Everyone,

I am doing a two phase flow simulation for a channel by using the mixture model. For calculating the slip velocity, the gradient of volume fraction is needed. How can I calculate it? Can you give me some suggestions? Thank you in advance.

hxhua
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