Warning:The use of axis boundary conditions is not appropriate for
我做仿真的时候总是出现这个问题，Warning:The use of axis boundary conditions is not appropriate for a 2D/3D flow problem.Please consider changing the zone type to symmetry or wall,or the problem to axisymmetric.symmetry和axis都出现过这个问题。请问这两个应该怎么用？