#============================================================================== # Laminar Canal Flow #============================================================================== # Problem specific Data: # --------------------- name backstep # name of flow setup bcLeft 3 # flags for boundary conditions bcRight 3 # 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 36000.0 # 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 1.0 # initial value for pressure # Geometry Data: # ------------- xlength 7.0 # domain size in x-direction ylength 1.5 # domain size in y-direction zlength 1.0 # domain size in z-direction imax 70 # number of interior cells in x-direction jmax 15 # number of interior cells in y-direction kmax 10 # number of interior cells in z-direction # Time Data: # --------- te 60.0 # final time dt 0.02 # time stepsize tau 0.5 # safety factor for time stepsize control (<0 constant delt) # Pressure Iteration Data: # ----------------------- itermax 500 # maximal number of pressure iteration in one time step eps 0.0001 # stopping tolerance for pressure iteration omg 0.52 omg 1.7 # relaxation parameter for SOR iteration gamma 0.9 # upwind differencing factor gamma # Particle Tracing Data: # ----------------------- numberOfParticles 200 startTime 100 injectTimePeriod 2.0 writeTimePeriod 0.2 x1 0.0 y1 0.0 z1 1.0 x2 0.0 y2 4.0 z2 1.0 # Obstacle Geometry Data: # ----------------------- # Shape 0 disable, 1 Rectangle/Square, 2 Circle shape 1 xCenter 0.0 yCenter 0.0 zCenter 0.0 xRectLength 2.0 yRectLength 1.0 zRectLength 2.0 circleRadius 1.0 #===============================================================================