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

Forum: OpenFOAM Running, Solving & CFD August 29, 2012, 14:13

Replies: 19 Solver for hypersonic flow in OpenFoam Views: 6,375 Posted By ndr Yes, I was aware of that. However, due to my grid... Yes, I was aware of that. However, due to my grid structure the size of the cells in flow direction (which should be mainly responsible for Courant number calculation as there is hardly any...

Forum: OpenFOAM Running, Solving & CFD August 29, 2012, 08:22

Replies: 19 Solver for hypersonic flow in OpenFoam Views: 6,375 Posted By ndr Hi Alexander, thanks for the hint regarding... Hi Alexander, thanks for the hint regarding the maximum Courant number, that did the trick. If I use maxCo 0.1 or lower it works perfectly well. It's a bit of a drawback that the number of...

Forum: OpenFOAM Running, Solving & CFD August 28, 2012, 10:43

Replies: 19 Solver for hypersonic flow in OpenFoam Views: 6,375 Posted By ndr Yes, I already noticed that vanLeer seems to be... Yes, I already noticed that vanLeer seems to be unstable for certain problems, especially when dealing with hypersonic boundary layers. But until now the Gamma scheme always worked fine for me, so I...

Forum: OpenFOAM Running, Solving & CFD August 28, 2012, 08:24

Replies: 19 Solver for hypersonic flow in OpenFoam Views: 6,375 Posted By ndr Hi Alexander, ok, I didn't realize I had to... Hi Alexander, ok, I didn't realize I had to take a Courant number that low. I ran my calculations as usual with a maxCo of 0.4, but I also tried 0.2 without any improvement in the results. But...

Forum: OpenFOAM Running, Solving & CFD August 27, 2012, 09:05

Replies: 19 Solver for hypersonic flow in OpenFoam Views: 6,375 Posted By ndr Hi Alexander, I originally had a slightly... Hi Alexander, I originally had a slightly different solution for the local time-stepping implementation in rhoCentralFoam for OF 2.1.x, only my rDeltaT was calculated a bit different. However,...

Showing results 1 to 5 of 5

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