Dear all,
I created mesh in Numeca Hexpress for Multiphase simulations of a ship (snapshot attached).
When I check the mesh quality, in this regard orthogonality in specific, the minimum orthogonality is 21.89 degrees. It shall be above 5 degrees for a good mesh. So considering this my mesh is good.
However, when I check the mesh quality with regard to Ansys Fluent, the minimum orthogonality is now 0.02678. As we know that for a good mesh in Fluent, orthogonality shall be above 0.1. So this mesh is not considered very good with regards to Fluent.
I used this mesh in Ansys Fluent and the solution was always diverging.
So my question is why the mesh has good quality in Hexpress but when I use it in Ansys Fluent, the mesh quality becomes very low?
Is there any compatibility issue with Hexpress and Fluent?
Dear Asif,
The difference is related to the solver, rather to the mesh generator. I therefor suggest you to use Numeca Fine-Marine solver, which is more flexible and robust instead of Fluent.
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