我在进行两项流计算时老是出现
Updating solution at time level N...
Error: Too many (2519) VOF sub-timesteps. The velocity
field is probably diverging. Please check the solution,
and reduce the time-step if necessary.
Error Object: ()
我已经把time step size 调小到0.00000001了,还是出错,请问该怎么办?还继续调小吗?