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Propagation of Sound Waves in Poroelastic Media with Anisotropic Permeability
By means of a Biot-like model with isotropic stress-strain relations but anisotropic permeability monochromatic waves in a two-component poroelastic medium are analyzed. The anisotropy is induced by the anisotropy of the tortuosity which is introduced by a second order symmetric tensor. The model describes for a certain choice of orientation of the propagation direction four modes of propagation: a decoupled transversal S1-wave, a pseudo transversal mode S2 and two pseudo longitudinal modes P1 and P2. Phase speeds and attenuations of these waves are shown in dependence on the orientation of the principal directions of the tortuosity.
Propagation of Sound Waves in Poroelastic Media with Anisotropic Permeability
By means of a Biot-like model with isotropic stress-strain relations but anisotropic permeability monochromatic waves in a two-component poroelastic medium are analyzed. The anisotropy is induced by the anisotropy of the tortuosity which is introduced by a second order symmetric tensor. The model describes for a certain choice of orientation of the propagation direction four modes of propagation: a decoupled transversal S1-wave, a pseudo transversal mode S2 and two pseudo longitudinal modes P1 and P2. Phase speeds and attenuations of these waves are shown in dependence on the orientation of the principal directions of the tortuosity.
Propagation of Sound Waves in Poroelastic Media with Anisotropic Permeability
Albers, Bettina (Autor:in) / Wilmanski, Krzysztof (Autor:in)
Fifth Biot Conference on Poromechanics ; 2013 ; Vienna, Austria
Poromechanics V ; 83-91
18.06.2013
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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