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

Forum: Main CFD Forum February 3, 2017, 11:59

Replies: 9 Oscillatory solution with DG scheme Views: 1,147 Posted By FMDenaro A non-monotone scheme generates wiggles but that... A non-monotone scheme generates wiggles but that happens on both structured and unstructured grids...As I wrote, the velocity plot should show spurious minima in the solution...

Forum: Main CFD Forum January 29, 2017, 14:36

Replies: 9 Oscillatory solution with DG scheme Views: 1,147 Posted By FMDenaro I suppose that the code does not distinguish... I suppose that the code does not distinguish between stractured or unstructured data, isn't it? Therefore also the structured grid is treated as unstructured? Again, it is strange such a pressure...

Forum: Main CFD Forum January 28, 2017, 03:46

Replies: 9 Oscillatory solution with DG scheme Views: 1,147 Posted By FMDenaro Anyway, you need to plot exactly the values in... Anyway, you need to plot exactly the values in the nodes as they are produced by the code. The constant cell-averaged value can produce a wrong analysis. For this reason I suggested to plot the...

Forum: Main CFD Forum January 28, 2017, 03:18

Replies: 9 Oscillatory solution with DG scheme Views: 1,147 Posted By FMDenaro What is strange is that the velocity field has no... What is strange is that the velocity field has no negative values...in an oscillating solution, the first appearence is the production of spurious minimum... however the pressure field appears with...

Forum: Main CFD Forum January 27, 2017, 15:51

Replies: 9 Oscillatory solution with DG scheme Views: 1,147 Posted By FMDenaro why do you plot the constant-cell value instead... why do you plot the constant-cell value instead of isolines? however, could you plot the initial condition and the solution after a single time step on the unstructured grid? I suppose you have...

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