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黑木凯

金虫 (正式写手)

[求助] 关于VOF中的fluid volume 的概念(polyflow和fluent)

在polyflow中VOF设置inital material fraction 时,guide手册上提到“ When tracking a single fluid, the fluid is determined to be present wherever the fluid fraction is between 0.5 and 1;。。。. Similarly, the fluid is determined to be absent wherever the fluid fraction is lower than 0.5, but it is recommended that the empty regions have a value of 0. By default, the initial fluid fraction is set to 0 throughout the domain.”   我的理解是计算域中体积百分比,为0的话是指计算域中初始无熔体,为1的话是指计算域中充满熔体,不知道这样理解是否正确?   我也做了为0,为1,为0.5的模拟。为0和为0.5差不多,但是为1的话计算就非常快,只出了一个flur的图(其他两个都有200多个图),    在fluent中VOF也有fluid volume  fraction,各位大侠能好好解释一下吗?
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Vipwinnergao

木虫 (著名写手)

请问polyflow中的fluid volume到底是怎么个意思啊
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2楼2015-04-17 10:55:15
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