A continuous Galerkin method based approach is presented to compute the seismic normal modes of rotating planets. Special care is taken to separate out the essential spectrum in the presence of a fluid outer core using a polynomial filtering eigensolver. The relevant elastic-gravitational system of equations, including the Coriolis force, is subjected to a mixed […]
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About Jia Shi
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Entries by Jia Shi
Shi, J., Li, R., Xi, Y., Saad, Y. and de Hoop, M. V., 2021. Planetary normal mode computation: Parallel algorithms, performance, and reproducibility. IEEE Transactions on Parallel and Distributed Systems, 32(11), pp.2609-2622. DOI: 10.1109/TPDS.2021.3050448 Notes: This article has been awarded a “Results Reproduced (ROR-R)” badge. Abstract: This article is an extension of work entitled “Computing […]
We study the inverse boundary value problem for time-harmonic elastic waves, for the recovery of P– and S-wave speeds from vibroseis data or the Neumann-to-Dirichlet map. Our study is based on our recent result pertaining to the uniqueness and a conditional Lipschitz stability estimate for parametrizations on unstructured tetrahedral meshes of this inverse boundary value problem. With […]
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