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Showing results 1 to 4 of 4 Search took 0.00 seconds. Search: Posts Made By: jed

Forum: Main CFD Forum June 23, 2010, 16:38

Replies: 12 TVD？Riemann Solver? Shock Capture? Views: 3,581 Posted By jed You didn't answer my question about what... You didn't answer my question about what "classical upwind scheme" means? How do you compute fluxes? This usually requires an (approximate) Riemann solve, it's really not possible to naively look...

Forum: Main CFD Forum June 23, 2010, 16:17

Replies: 12 TVD？Riemann Solver? Shock Capture? Views: 3,581 Posted By jed What do you mean "classical upwind scheme"? You... What do you mean "classical upwind scheme"? You will usually have multiple waves going in both directions, you can only determine those directions by solving a Riemann problem. Note that any stable...

Forum: Main CFD Forum June 23, 2010, 15:44

Replies: 12 TVD？Riemann Solver? Shock Capture? Views: 3,581 Posted By jed TVD means Total Variation Diminishing,... TVD means Total Variation Diminishing, "non-oscillatory" schemes like WENO will produce small oscillations around discontinuities, a TVD method introduces no new extrema (there will be no...

Forum: Main CFD Forum June 23, 2010, 12:27

Replies: 12 TVD？Riemann Solver? Shock Capture? Views: 3,581 Posted By jed A discretization cannot be TVD and higher than... A discretization cannot be TVD and higher than second order. This is a theorem. But it can be "non-oscillatory" of arbitrary order, see (W)ENO.

Showing results 1 to 4 of 4

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