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math.NA2020
Nonuniform 3D finite difference elastic wave simulation on staggered grids
Longfei Gao, Omar Ghattas, David Keyes
We present an approach to simulate the 3D isotropic elastic wave propagation using nonuniform finite difference discretization on staggered grids. Specifically, we consider simulat…
physics.comp-ph2020
Explicit coupling of acoustic and elastic wave propagation in finite difference simulations
Longfei Gao, David Keyes
We present a mechanism to explicitly couple the finite-difference discretizations of 2D acoustic and isotropic elastic wave systems that are separated by straight interfaces. Such…