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physics.comp-ph2020★ 106 cited
A General Approach to Seismic Inversion with Automatic Differentiation
Weiqiang Zhu, Kailai Xu, Eric Darve +1
Imaging Earth structure or seismic sources from seismic data involves minimizing a target misfit function, and is commonly solved through gradient-based optimization. The adjoint-s…
physics.comp-ph2019★ 11 cited
Parallelization of the inverse fast multipole method with an application to boundary element method
Toru Takahashi, Chao Chen, Eric Darve
We present an algorithm to parallelize the inverse fast multipole method (IFMM), which is an approximate direct solver for dense linear systems. The parallel scheme is based on a g…
physics.comp-ph2017★ 17 cited
Fast algorithms for evaluating the stress field of dislocation lines in anisotropic elastic media
C. Chen, S. Aubry, T. Oppelstrup +2
In dislocation dynamics (DD) simulations, the most computationally intensive step is the evaluation of the elastic interaction forces among dislocation ensembles. Because the pair-…