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使用cfdempiso算法,之前计算空气的时候能够正常计算,结果还可以,但是把流体改成水之后,就发生了两种粒子一旦接触就会丢失。我觉得应该是发散了,但是发散的话我应该从哪里修改入手?我尝试修改了阻力模型、流体速度,还有耦合的A、B、Bfull模型,都有这个发散问题。一般造成发散的原因都有哪些呢?
只要有浮力就会发散,为什么呢