kailaix / ADSeismic.jl

A General Approach to Seismic Inversion Problems using Automatic Differentiation
MIT License
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ADSeismic: An Open Source High Performance Package for Automatic Differentiation (AD) based General Seismic Inversion

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ADSeismic is built for general seismic inversion problems, such as estimating velocity model, source location and time function. The package implements the forward FDTD (finite difference time domain) simulation of acoustic and elastic wavefields and enables flexible inversions of parameters in the wave equations using automatic differentiation. Several features of this package includes:

Examples can be found int these papers:

A General Approach to Seismic Inversion with Automatic Differentiation

Integrating Deep Neural Networks with Full-waveform Inversion: Reparametrization, Regularization, and Uncertainty Quantification

Distributed Machine Learning for Computational Engineering using MPI

Learning generative neural networks with physics knowledge

Installation

ADSeismic.jl requires proper installation of ADCME.jl.

using Pkg
Pkg.add("ADCME")

This might take up to 20 minutes for complete installation.

Then install this package (ADSeismic.jl) by

using Pkg
Pkg.add("ADSeismic")

To enable GPU support, make sure nvcc is available on your machine, and then

using ADCME
use_gpu()

Use has_gpu() to check GPUs exist.

Demo

Script: AcousticWave.jl

Result: Acoustic Wavefield

Script: ElasticWave.jl

Result: Elastic Wavefield