petsc-3.6.0 2015-06-09
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multicomponent

  • ex19.c Nonlinear driven cavity with multigrid in 2d.

    The 2D driven cavity problem is solved in a velocity-vorticity formulation.
    The flow can be driven with the lid or with bouyancy or both:
    -lidvelocity &ltlid&gt, where &ltlid&gt = dimensionless velocity of lid
    -grashof &ltgr&gt, where &ltgr&gt = dimensionless temperature gradent
    -prandtl &ltpr&gt, where &ltpr&gt = dimensionless thermal/momentum diffusity ratio
    -contours : draw contour plots of solution