Strange results on Fluent, mesh related? -- CFD Online Discussion Forums

October 24, 2016, 07:01

Strange results on Fluent, mesh related?

NeroBlade

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Join Date: Jun 2014

Posts: 10

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Hi all,

I've been meshing some blocks with 6 solids in the domain (3 cubes, 1 cuboid, floor, ceiling) and been running some CFD and had noticed after computation, the contour results are not smooth transition been sections of the mesh as attached which I also believe is related to the flat iso-surfaces along each refinement region.

The y+ for each region is around 5, turbulence model is k-omega sst so the wall distance is very small. The mesh was generated using Pointwise.

Is there anyway I could resolve this, whilst keeping the mesh y-plus consistent around the solid boundaries?

Attached Images

	cfd_online_mesh_issue2.png (58.9 KB, 4 views)
	cfd_online_mesh_issue.png (79.3 KB, 4 views)

Tags

fluent 16.2, pointwise cgns msh

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