#SPATIAL.ascii 1 // This database is used to specify the material properties for all of the // examples in this directory. // This follows the format for a Simple DB (the only type presently available). SimpleDB { // There are 3 values specified in the database, corresponding to density, // S-velocity, and P-velocity (values for shear modulus and Lame's constant // are computed from these values. num-values = 3 value-names = density vs vp // These are the units used to specify density, vs, and vp. value-units = kg/m^3 m/s m/s // Values are only specified at a single point since they are constant // throughout the mesh. num-locs = 1 // The dimension of the spatial distribution is 0, since it is constant // throughout the mesh. data-dim = 0 // The spatial dimension of the database is 2. space-dim = 2 // We are specifying the data in a Cartesian coordinate system. cs-data = cartesian { // Our units are already in meters, so we can just multiply by one. to-meters = 1.0 // We are using a 2D Cartesian coordinate system. space-dim = 2 } } // This is where the data is specified. // We only need to specify a single point, since the properties are uniform. // The values given here will give a shear modulus and Lame's constant both // equal to 30 GPa (Poisson's ratio = 0.25). // The entries are: // X-coord, Y-coord, density, Vs, Vp. 0.0 0.0 2700.0 3333.333333333333 5773.502691896258