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strange distribution of velocity field when using O-block mesh in interFoam

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Old   December 18, 2019, 21:41
Default strange distribution of velocity field when using O-block mesh in interFoam
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Zhanyuan Wang
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Hello, foamers!
I am working with modeling a evaporating droplet using modified interFoam, and an O-block like mesh is used. Then I found that the velocity field looked strange,where staggered velocity magnitude occured on droplet surface. The strange velocity is attached below.
I have exclude other possible reasons and use non-modified interfoam to examinate a simpler case where no heat transfer and source term exist with the same mesh. Result kept the same. So I wonder if the problem is caused by such O-block mesh? Does the mesh I used has a terrible quality? Or can't interFoam behave well when using O-block meshes? (my mesh is also attarhed below, together with my fvScheme and fvSolution files)
The problem has bothered me for a long time and I will be VERY VERY grateful for any suggestion offered.
Attached Images
File Type: jpg velocity field.jpg (116.3 KB, 14 views)
File Type: jpg velocity2.jpg (166.3 KB, 11 views)
File Type: jpg mesh1.jpg (206.7 KB, 11 views)
File Type: jpg fvSchemes.jpg (77.1 KB, 12 views)
File Type: jpg fvSolution.jpg (66.5 KB, 8 views)
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interfoam, o-block mesh, velocity field

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