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-   -   how to mesh.... (https://www.cfd-online.com/Forums/fluent/42628-how-mesh.html)

Aniss October 20, 2006 10:06

how to mesh....
 
hi all my problem is how to mesh a 3D cylindrical pipe with a hemispheric obstacl (half sphere) with hexaedral elements or other but not tetra-and Tgrid because when i use it i have a numerical diffusion (no convergence) with turbulent flow principal steps please thanks for all


sach October 27, 2006 00:57

Re: how to mesh....
 
try to map the surface first then initialise the volume mesh in gambit, your face mesh should be exactly mapable

Aniss October 27, 2006 20:54

Re: how to mesh....
 
sorry but i havn't understand very well, can you give me more explication plz because i have a lot of message of error i thinck that in the construction of the geometrie of the problem i have follow bad step



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