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同样的边界条件,为什么不可压缩solver就可以解,可压缩就无法解了呢?
请问各位大佬有没有相关经验?
速度和压力
可压缩和不可压缩方程的数学特征的不同,导致需要调用不同的边界条件。比如标量传输方程,是一个双曲方程,如果进出口都给定Dirichlet边界条件就不能借。但对于扩散椭圆方程,如果进出口都给定Dirichlet边界条件很正常。