#============================================================================== # Driven Cavity #============================================================================== # Problem specific Data: # --------------------- name dcavity # name of flow setup bcLeft 1 # flags for boundary conditions bcRight 1 # 1 = no-slip 3 = outflow bcBottom 1 # 2 = free-slip 4 = periodic bcTop 1 # bcFront 1 # bcBack 1 # gx 0.0 # Body forces (e.g. gravity) gy 0.0 # gz 0.0 # re 1000.0 # Reynolds number u_init 0.0 # initial value for velocity in x-direction v_init 0.0 # initial value for velocity in y-direction w_init 0.0 # initial value for velocity in z-direction p_init 0.0 # initial value for pressure # Geometry Data: # ------------- xlength 1.0 # domain size in x-direction ylength 1.0 # domain size in y-direction zlength 1.0 # domain size in z-direction imax 128 # number of interior cells in x-direction jmax 128 # number of interior cells in y-direction kmax 128 # number of interior cells in z-direction # Time Data: # --------- te 10.0 # final time dt 0.02 # time stepsize tau 0.5 # safety factor for time stepsize control (<0 constant delt) # Multigrid data: # --------- levels 3 # Multigrid levels presmooth 10 # Pre-smoothning iterations postsmooth 5 # Post-smoothning iterations # Pressure Iteration Data: # ----------------------- itermax 1000 # maximal number of pressure iteration in one time step eps 0.001 # stopping tolerance for pressure iteration omg 1.8 # relaxation parameter for SOR iteration gamma 0.9 # upwind differencing factor gamma #===============================================================================