Cd too low! y+ <1 -- CFD Online Discussion Forums

January 17, 2014, 10:04

Cd too low! y+ <1

mhkennedy

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Michael

Join Date: Jan 2014

Posts: 3

Rep Power: 12

I am trying to model flow around a sphere at 20m/s, (Re = 1E+05) the Cd value is 0.3 when it should be 0.5ish. I am using SST turbulence model.

I have meshed a sphere in ICEM, below is a cross section of the mesh

Attached Images

Mesh.jpg (97.4 KB, 21 views)

January 18, 2014, 04:05		#2
ghorrocks Super Moderator Glenn Horrocks Join Date: Mar 2009 Location: Sydney, Australia Posts: 17,703 Rep Power: 143	FAQ: http://www.cfd-online.com/Wiki/Ansys..._inaccurate.3F

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