.fluent运算出问题,Error:Global courant number is greater than 250.0,The velocity field is probably diverging.Please check the solution and reduce the time-step if necessary.

.fluent运算出问题,
Error:Global courant number is greater than 250.0,The
velocity field is probably diverging.Please check the solution
and reduce the time-step if necessary.

时间步长和网格的尺寸之间有关系,需要满足一定的条件,详细参看帮助文档.你可以把时间步长调小一点试试.