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physics.geo-ph2022★ 1 cited
Numerical Fréchet derivatives of the displacement tensor for 2.5-D frequency-domain seismic full-waveform inversion in viscoelastic TTI media
Qingjie Yang, Bing Zhou, Marcus Engsig +3
Derivatives of the displacement tensor with respect to the independent model parameters of the subsurface, also called Fréchet derivatives (or sensitivity kernels), are a key ingre…
math.NA2022
PiTSBiCG: Parallel in Time Stable Bi-Conjugate Gradient Algorithm
Mohamed Kamel Riahi
This paper presents a new algorithm for the parallel in time (PiT) numerical simulation of time dependent partial/ordinary differential equations. We propose a reliable alternative…