hi i want to know that is it possible to have o-grid in one volume using gambit if yes how.i have tried but could not find any solution at the end i had to sepate it in 5 volume but it did not give good quality mesh. any suggestions. thanks Anjum

Maybe I don't catch the exact meaning of your post. Usually, if you split a volume into several, in my opinion, the mesh quality should be easily increased. sometimes, you can mesh a volume using whole grid (maybe equal to your o-grid). say, this is in gambit environment. if you have another software say, ICEM-CFD, you need not to split volume. it uses block concept. wish it helps you!

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