Question

fluent动网格计算出错，请帮忙解决

Updating solution at time level N... done.

Updating mesh at time level N... done.

Warning: non-positive volumes exist.

Primitive Error at Node 0: Update-Dynamic-Mesh failed. Negative cell volume detected.

Primitive Error at Node 1: Update-Dynamic-Mesh failed. Negative cell volume detected.

Error: Update-Dynamic-Mesh failed. Negative cell volume detected.
Error Object: #f

Answer 1

有负网格了

1. 看看是不是时间步长过大

2. 检查动网格设置

3. 检查udf
   

追问

我把网格细化了，运动速度减小了，但还是不能算，有出现了不收敛的问题Primitive Error at Node 0: floating point exception
Primitive Error at Node 1: floating point exception
Error: floating point exception
Error Object: #f

追答

你看看是不是还是出现了负网格

追问

解决了，网格问题，发现网格画好了，一切都不是问题

Answer 2

网格有问题，你一层一层检查