A VSS-based joint FWI framework enables direct multi-deployment inversion of geophone and DAS data, yielding more accurate elastic parameter recovery than single-sensor cases on Marmousi benchmarks when sensors provide complementary information.
P-SV wave propagation in heterogeneous media; velocity- stress finite-difference method,
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A new staggered-grid method for 3D anisotropic phononic crystals that uses parity invariants on even grids to split the generalized eigenvalue problem into four independent smaller blocks while preserving the full spectrum.
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Joint elastic full waveform inversion of multi-component geophone and distributed acoustic sensing data
A VSS-based joint FWI framework enables direct multi-deployment inversion of geophone and DAS data, yielding more accurate elastic parameter recovery than single-sensor cases on Marmousi benchmarks when sensors provide complementary information.
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An Efficient Parity-Blocked Method for Band-Structure Computation of 3D Anisotropic Phononic Crystals
A new staggered-grid method for 3D anisotropic phononic crystals that uses parity invariants on even grids to split the generalized eigenvalue problem into four independent smaller blocks while preserving the full spectrum.