Modeling the Acoustic Scattering from Objects Buried in Porous Sediment Using COMSOL Multiphysics® Software
Veröffentlicht in 2016
A frequency-domain finite element (FE) technique for computing the acoustic scattering from axially symmetric fluid-loaded structures subject to a nonsymmetric forcing field based on Ref. 1 is extended to poroelastic media and implemented in COMSOL Multiphysics® software. This method allows for the scattering body to consist of any number of acoustic, elastic, and poroelastic domains. The elastic and poroelastic domains are implemented using Weak Form PDE physics interfaces. Verification cases that illustrate scattering due to fields where the Fourier coefficients of the incident field are and are not known analytically are considered.
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