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how to understant the Solidification Drag Model in flow3d |
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August 7, 2021, 23:55 |
how to understant the Solidification Drag Model in flow3d
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New Member
Zhihao Ren
Join Date: Aug 2021
Location: Chongqing, China
Posts: 2
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As claimed in the user manual of flow3d, a darcy-type drag force is loaded to the mushy and solidified region. When Fs = 1, the Fd will be effectively infinite. In many literatures, there will be a small constant in the denominator to aviod division by zero.
Can anyone help to explain the "effectively infinite" and how flow3d deal with the "infinite"? Fd= TSDRG*Fs^2/(1-Fs)^3; |
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