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Showing results 1 to 5 of 5 Search took 0.00 seconds. Search: Posts Made By: sbaffini

Forum: Main CFD Forum May 18, 2021, 03:40

Replies: 11 How can we optimize the flux calculations in explicit CFD solvers? Views: 881 Posted By sbaffini I was thinking about this post you wrote, and... I was thinking about this post you wrote, and something didn't sound correct... until I realized how much confusion I made. In your case it is, indeed, obvious that your first scenario is worst,...

Forum: Main CFD Forum May 17, 2021, 06:26

Replies: 11 How can we optimize the flux calculations in explicit CFD solvers? Views: 881 Posted By sbaffini What about this piece of code? ... What about this piece of code? https://godbolt.org/z/6e3ox4K9x For me it just works as expected

Forum: Main CFD Forum May 17, 2021, 04:15

Replies: 11 How can we optimize the flux calculations in explicit CFD solvers? Views: 881 Posted By sbaffini I saw your other post with a benchmark of this... I saw your other post with a benchmark of this (if I understand it correctly). Indeed, there is a culprit to this, and testing is always necesary. For example, doing the same for gradients might be...

Forum: Main CFD Forum May 16, 2021, 04:20

Replies: 11 How can we optimize the flux calculations in explicit CFD solvers? Views: 881 Posted By sbaffini What you can do in addition, if you are working... What you can do in addition, if you are working on a coupled code, is to have the coupled variables saved together. That is, not, say, p, u, v, w and T as separate arrays, but a single one...

Forum: Main CFD Forum May 16, 2021, 03:58

Replies: 11 How can we optimize the flux calculations in explicit CFD solvers? Views: 881 Posted By sbaffini I think we already discussed this, but fluxes in... I think we already discussed this, but fluxes in FV codes are not computed by looping on the cells. You, instead, have to loop over faces, retrieve the variables on the two sides, compute the...

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