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Forum: Main CFD Forum

March 31, 2014, 04:18

Replies: 4

Code Programming: Problems with skewed cells at transient calculations

Views: 1,341

Posted By Corby

In general you have to interpolate the velocities...

In general you have to interpolate the velocities from the previous iteration to calculate the fluxes at the borders of the staggered grid cells for the momentum equations. For non-orthogonal meshes...

Forum: Main CFD Forum

March 28, 2014, 04:01

Replies: 4

Code Programming: Problems with skewed cells at transient calculations

Views: 1,341

Posted By Corby

Thanks for reply! I checked the uniform flow...

Thanks for reply!
I checked the uniform flow case according to your proposal. The flow stays uniform inside the numerical accuracy limits, i.e. maximum deviation from 1 is 1e-29.
Other orthogonal...

Forum: Main CFD Forum

March 27, 2014, 11:43

Replies: 4

Code Programming: Problems with skewed cells at transient calculations

Views: 1,341

Posted By Corby

Code Programming: Problems with skewed cells at transient calculations

Hello everybody,

I implemented an own RANS code in Matlab with the following main specifications:

2D, incompressible RANS
structured, staggered grid on curvilinear coordinates
...

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