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Which type of mesh method is better to do a CFD analysis.Shall we generate a tetra mesh for CFD problems, If not which type of mesh is better to use?
Hi,
meshing would depend on type of analysis you have , geometry etc. But is is generally recommended to have hex mesh for simulation. also if you are working with AcuSolve which works on FEM technique and if on ANSYS fluent it works on FVM technique. For FVM , hex is recomended
I am working on Acusolve.Shall I use CFD tetra mesh for Acusolve for simple velocity inlet and pressure outlet problem?
Yes you can use it for simulation . try to compare the same with calculations. If within limits we can consider otherwise same simulation with hex mesh can be tried for studying results dependency on mesh
AcuSolve is a FE based code and is optimized to run with Tetra mesh (actually a big advantage for optimization, as it can work with highly skewed elements).
Some special cases (e.g. certain mesh motion like piston in cylinder) are better off with penta6 or hex8 elements.
In general use tetra4 (avoid hybrid or mixed meshes, as the can lead to some post-processing complications.). AcuConsole will by default generate Tetra4 elements.
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