||November 25, 2009 10:54
grid for pipe with orifice in gambit
I have a project where I have to modelise a turbulent flow in a circular pipe including an orifice meter. I have already done the geometry, and my first lenght is 1 m and my second lenght is 2 m, but now I have to mesh but with a limited number of nodes, so I have to realise a grid more and more tight going to the orifice, but not near of the wall because I use standard waal functions. Do you know how I can do that? apparently I need to use a ratio b/a < 10 but I don't really understant what it is, and I really need help.
Thanks a lot