'The isotropic model with 2 homogenous layers and horizontal interface'/ 0 1 1 -3 / (Cartesian coordinates, velocities, loss factors) 0 10 0 10 0 20 (boundaries of the model) 1 SURFACE 2 SIMPLE BLOCKS: 1 / (upper layer) -1 / (bottom layer) 2 COMPLEX BLOCKS: 1 / (upper layer) 2 / (bottom layer) 'SURFACE' 1 (horizontal interface) -3 0 0 0 / (i.e. W()-X3=0, tension=0) 10.0 (X3 coordinates at grid point) 'END OF SURFACES' / 'COMPLEX BLOCK' 1 (upper layer) 'VP ' 1 (P wave velocity) 0 0 0 0 / (i.e. VP=constant) 6.00 'VS ' 1 0 0 0 0 / (S wave velocity) 3.00 (i.e. VS=constant) 'DEN' 1 0 0 0 0 / (density) 2.00 (i.e. density=constant) 'COMPLEX BLOCK' 2 (bottom layer) 'VP ' 1 (P wave velocity) 0 0 0 0 / (i.e. VP=constant) 6.01 'VS ' 1 0 0 0 0 / (S wave velocity) 3.01 (i.e. VS=constant) 'DEN' 1 0 0 0 0 / (density) 2.01 (i.e. density=constant) 'END OF COMPLEX BLOCKS, END OF THE INPUT DATA FOR THE MODEL' /