problem = KH instability of slip surface # runs KH test on Athena webpage author = J. Stone and T. Gardiner config = --with-gas=hydro --with-problem=kh problem_id = kh # problem ID: basename of output filenames maxout = 100 # Output blocks number from 1 -> maxout num_domains = 3 # number of Domains in Mesh out_fmt = hst # History data dump dt = 0.05 # time increment between outputs out_fmt = vtk # Binary data dump dt = 0.1 # time increment between outputs out_fmt = rst # Restart dump dt = 0.1 # time increment cour_no = 0.8 # The Courant, Friedrichs, & Lewy (CFL) Number nlim = 5000 # cycle limit tlim = 50.0 # time limit level = 0 # refinement level this Domain (root=0) Nx1 = 64 # Number of zones in X1-direction x1min = -1.0 # minimum value of X1 x1max = 1.0 # maximum value of X1 bc_ix1 = 4 # boundary condition flag for inner-I (X1) bc_ox1 = 4 # boundary condition flag for outer-I (X1) Nx2 = 32 # Number of zones in X2-direction x2min = -0.5 # minimum value of X2 x2max = 0.5 # maximum value of X2 bc_ix2 = 4 # boundary condition flag for inner-J (X2) bc_ox2 = 4 # boundary condition flag for outer-J (X2) Nx3 = 1 # Number of zones in X3-direction x3min = -0.5 # minimum value of X3 x3max = 0.5 # maximum value of X3 bc_ix3 = 4 # boundary condition flag for inner-K (X3) bc_ox3 = 4 # boundary condition flag for outer-K (X3) NGrid_x1 = 2 NGrid_x2 = 2 level = 1 # refinement level this Domain (root=0) Nx1 = 128 # Number of zones in X1-direction Nx2 = 16 # Number of zones in X2-direction Nx3 = 1 # Number of zones in X3-direction iDisp = 0 # i-displacement measured in cells of this level jDisp = 8 # j-displacement measured in cells of this level kDisp = 0 # k-displacement measured in cells of this level NGrid_x1 = 2 NGrid_x2 = 2 level = 1 # refinement level this Domain (root=0) Nx1 = 128 # Number of zones in X1-direction Nx2 = 16 # Number of zones in X2-direction Nx3 = 1 # Number of zones in X3-direction iDisp = 0 # i-displacement measured in cells of this level jDisp = 40 # j-displacement measured in cells of this level kDisp = 0 # k-displacement measured in cells of this level NGrid_x1 = 2 NGrid_x2 = 2 level = 2 # refinement level this Domain (root=0) Nx1 = 256 # Number of zones in X1-direction Nx2 = 16 # Number of zones in X2-direction Nx3 = 1 # Number of zones in X3-direction iDisp = 0 # i-displacement measured in cells of this level jDisp = 24 # j-displacement measured in cells of this level kDisp = 0 # k-displacement measured in cells of this level NGrid_x1 = 4 NGrid_x2 = 1 level = 2 # refinement level this Domain (root=0) Nx1 = 256 # Number of zones in X1-direction Nx2 = 16 # Number of zones in X2-direction Nx3 = 1 # Number of zones in X3-direction iDisp = 0 # i-displacement measured in cells of this level jDisp = 88 # j-displacement measured in cells of this level kDisp = 0 # k-displacement measured in cells of this level NGrid_x1 = 4 NGrid_x2 = 1 gamma = 1.4 # gamma = C_p/C_v iprob = 1 amp = 1.0e-2 drat = 2.0 vflow = 0.5