Half-space at with a load applied normal to the surface together with the semi-infinite physical domain and the finite computational domain with numerical boundaries at and .
Extension of the computational domain by ghost-cells at .
Numerical solution of displacement at and and exact solution for the original linear Lamb problem.
Numerical solution of the particle velocities (left) and (right) in linear and nonlinear media at and [(a) and (b)] and and [(c) and (d)].
Propagating wave fronts of in a nonlinear elastic half-space at different fixed times: (a) , (b) , (c) , and (d) .
FFT of the particle velocity in nonlinear (solid) and linear (dashed) media at and different angles with zoom: (a) , (b) , (c) , and (d) .
FFT of the particle velocity in nonlinear (solid) and linear (dashed) media at and different angles : (a) , (b) , (c) , and (d) .
of the FFT of over the propagation distance for different angles .
Nonlinearity parameter over the angle .
normalized by its value for aluminum at for different fixed ( , , and ) in dependence of (left) and for different fixed ( , , and ) in dependence of (right).
Normalized nonlinearity parameter over the angle for different and . The parameters and denote and , respectively.
Discretized Cartesian grid with the corresponding numerical fluxes.
Material and input parameters.
Article metrics loading...
Full text loading...