1887

Abstract

Based on the phase velocity in the linear power-law media, a time-space domain visco-acoustic equation is derived in this paper.The presented equation can be solved by the conventional high-order finite difference algorithm with only minor modification. To ensure stability during the reconstruction of wavefield, a regularized equation with an additional term which can attenuate high frequency instabilities is introduced. Numerical experiments indicate that the presented method can produce acceptable accuracy for approximating Kjarttansson’s constant-Q model and stabilize the reconstruction.

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/content/papers/10.3997/2214-4609.20130237
2013-06-10
2021-11-28
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http://instance.metastore.ingenta.com/content/papers/10.3997/2214-4609.20130237
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