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Forum: CFX

March 4, 2013, 05:45

Replies: 8

Grid refinement ratio for unstructured mesh

Views: 3,808

Posted By oj.bulmer

Thanks, I understood that 5% was for the change...

Thanks, I understood that 5% was for the change in parameters of interest. I was asking about what should be percentage change in mesh sizes (% change in no. of elements for unstructured mesh) that...

Forum: CFX

March 4, 2013, 04:28

Replies: 8

Grid refinement ratio for unstructured mesh

Views: 3,808

Posted By oj.bulmer

Thanks. When you say 5% change in solution by...

Thanks. When you say 5% change in solution by refinement, what is the refinement ratio for the mesh size?

I go a bit detailed. If f_1 and f_2 are the solutions of two successive meshes ( f_1...

Forum: CFX

March 1, 2013, 04:22

Replies: 8

Grid refinement ratio for unstructured mesh

Views: 3,808

Posted By oj.bulmer

Thanks Glenn. The only definition Roache...

Thanks Glenn.

The only definition Roache gives of D is Dimensionality! But a little more research online after posting my query here landed me to some references that reciprocate the similar...

Forum: CFX

February 28, 2013, 11:17

Replies: 8

Grid refinement ratio for unstructured mesh

Views: 3,808

Posted By oj.bulmer

Grid refinement ratio for unstructured mesh

Hello,

I am trying to streamline the mesh independence practices using Grid Convergence Index and Richardson Extrapolation as they are considered the best in practical CFD. (Ref: Roache, P. J....

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