2D frequency-domain acoustic/SH/TE-mode FD modelling and full waveform inversion (FWI) code

Elastic Full-Waveform Inversion Integrated with PyTorch

This repo shows how to use SEISCOPE optimization toolbox Fortran code from Python

Adjoint Sensitivity Methods

A toy program using Discrete-Adjoint method

Use the adjoint method and gradient descent to find the parameters of an ODE

C++ L-BFGS implementation using plain STL

Improved LBFGS and LBFGS-B optimizers in PyTorch.

Pure Python-based L-BFGS-B implementation

A header-only C++ library for L-BFGS and L-BFGS-B algorithms

L-BFGS-B, converted from Fortran to C, with Matlab wrapper

Helmholtz solver with 2nd order Clayton-Enquist boundary conditions + compared to analytics

Seismic Waveform Inversion Toolbox

An electromagnetic solver capable of simulating and optimizing 1D (thin-layer) structures via the semi-analytical transfer matrix method. For example, one can simulate and optimize broadband distri…

Workshop materials for training in scientific computing and scientific machine learning

Innovative, efficient, and computational-graph-based finite element simulator for inverse modeling

Full waveform inversion algorithm with acoustic wave equation in time domain.

地球物理学领域内的地震正演成像和反演

Wave propagators for seismic domains with application to full waveform inversion.

PGNN-FWI: performing physics-guided neural network for FWI

julia0.6 tools to read, write and process seismic data

Adjoint-state based AVO Inversion Method

An iterative Newton solver and adjoint-state method to determine parametric gradients in a diode

Forward code for the P-SV wave equation on a staggered grid, with full waveform inversion interfaces. Finite difference approach according to stress-velocity formulation.

Seismic data full waveform inversion tutorial.

Full Waveform Inversion

This program is for electromagnetic full wavefrom inversion implemented by multi-GPU.

repo for inversion course work