## Numerical Modeling of Seismic Wave Propagation, Volume 13K. R. Kelly, K. J. Marfurt, Society of Exploration Geophysicists |

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### Contents

Propagation of elastic waves in layered media by finite difference methods | 4 |

A finitedifference approach | 36 |

Dynamics of an expanding circular fault | 62 |

Copyright | |

23 other sections not shown

### Common terms and phrases

absorbing boundary conditions accuracy accurate acoustic wave equation Alford algorithm Alterman amplitude analytical angle approximation calculations component compressional computed corner frequencies corresponding curves density derivatives difference schemes differential diffraction direction discrete displacement domain elastic wave equation energy Engquist explicit finite element finite element method finite-difference method finite-difference scheme finite-element formulation Fourier transform fourth-order free surface function Geophys Geophysics grid dispersion grid points group velocity half-space heterogeneous homogeneous horizontal incident integration interface Kosloff layer linear located Lysmer medium mesh modulus nodes obtained operator P-wave parameters paraxial paraxial approximations phase velocity plane wave Poisson's ratio problem pseudospectral method pulse Rayleigh mode Rayleigh wave reflection coefficient region scalar wave scatterer second-order Seism seismograms seismology shear waves shown in Figure simulation solved space spatial stability stress synthetic seismograms tion values variables vector vertical wave field wave propagation wavelength wavelet zone