[TurboGrid] Feedback on mesh quality for SST in CFX -- CFD Online Discussion Forums

October 4, 2016, 14:14

Feedback on mesh quality for SST in CFX

varunlanga

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Varun Langa

Join Date: Jan 2016

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I am looking to build a low Re SST model (y+<=1) of NASA Rotor 37
J-type topology was used with 0.5 O-grid width factor.
I would like to know if the no. of layers used in the O-grid are satisfactory and whether the overall mesh is alright. For O-grid i went with expansion rate of 1.2 giving 27 elements,however my blade span-wise rate is 1.4 and produces around 64 elements. Is this high span-wise growth rate affecting the solution adversely?
Is this model considered satisfactory to be classified for the yplus<=1 requirement?

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