Ray and energy-flux velocities at a contact of two viscoelastic anisotropic materials
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DOI: 10.1093/gji/ggae363
Abstract: A g*-Hamiltonian method for tracing real rays was developed that can handle cusps and triplication of quasi-shear wave in a general viscoelastic anisotropic medium. We demonstrate that the g*-Hamiltonian method can produce homogeneous ray-velocity vectors… read more here.
Keywords: anisotropic; critical incidence; method; viscoelastic anisotropic ... See more keywords
A new generalized stiffness reduction method for 2D/2.5D frequency-domain seismic wave modeling in viscoelastic anisotropic media
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DOI: 10.1190/geo2020-0143.1
Abstract: In frequency-domain seismic wave modeling, absorbing artificial reflections is crucial to obtain accurate numerical solutions. We have determined that, in viscoelastic anisotropic media (VEAM), the most popular absorbing boundary techniques, such as the perfectly matched… read more here.
Keywords: domain seismic; seismic wave; method; wave modeling ... See more keywords
Slowness vectors in viscoelastic anisotropic media and their physical interpretation and significance
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DOI: 10.1190/geo2023-0090.1
Abstract: Under the high-frequency assumption, the slowness vector in a viscoelastic anisotropic medium is often defined by a complex-valued vector, whose direction is given by a complex unit vector that can hardly ever be simply explained… read more here.
Keywords: vector; viscoelastic anisotropic; slowness vector; slowness ... See more keywords