Convergence moving mesh
Posted October 8, 2012 at 21:40 by sunliming
Quote:
Originally Posted by hjasak
The solver looks fine (well, at least not obviously wrong). However, your residual behaviour indicates a serious problem and my guess is that you have messed up the boundary conditions.
Note that the wall boundary needs to be specified in terms of absolute velocity, so a moving wall with no flux through it will not have fixedValue (0 0 0). If this is the problem use the movingWallVelocity b.c., which corrects the normal component based on the mesh motion.
As a test, have a look at the fluxes through your wall boundaries - if all is well, they should be exactly zero.
Hrv
Note that the wall boundary needs to be specified in terms of absolute velocity, so a moving wall with no flux through it will not have fixedValue (0 0 0). If this is the problem use the movingWallVelocity b.c., which corrects the normal component based on the mesh motion.
As a test, have a look at the fluxes through your wall boundaries - if all is well, they should be exactly zero.
Hrv
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if all is well, they should be exactly zero... are you sure ?Posted September 16, 2013 at 06:27 by izmirtonerdolumu
