# Paraniso 1.0: 3-D Full Waveform Seismic Simulation in General Anisotropic Media.

## Abstract

Many geologic materials and minerals are seismically anisotropic, with the most general anisotropic material having up to 21 independent elastic coefficients. This report outlines the development of a 3-D, generally anisotropic, linear elastic full waveform finite- difference solver. First, a mathematical description of the solution equations will be described. The finite-difference implementation of these equations will then be shown. Finally, a comparison of results from this new solver to other solutions will be provided as verification that the new algorithm can accurately replicate these solutions. ACKNOWLEDGEMENTS The author also acknowledges the National Nuclear Security Administration, Defense Nuclear Nonproliferation Research and Development (DNN R&D), and the Source Physics Experiment (SPE) working group, a multi-institutional and interdisciplinary group of scientists and engineers.

- Authors:

- Publication Date:

- Research Org.:
- Sandia National Lab. (SNL-NM), Albuquerque, NM (United States)

- Sponsoring Org.:
- USDOE National Nuclear Security Administration (NNSA), Office of Defense Nuclear Nonproliferation (NA-20)

- OSTI Identifier:
- 1561580

- Report Number(s):
- SAND2019-10517

679131

- DOE Contract Number:
- AC04-94AL85000

- Resource Type:
- Technical Report

- Country of Publication:
- United States

- Language:
- English

### Citation Formats

```
Preston, Leiph.
```*Paraniso 1.0: 3-D Full Waveform Seismic Simulation in General Anisotropic Media.*. United States: N. p., 2019.
Web. doi:10.2172/1561580.

```
Preston, Leiph.
```*Paraniso 1.0: 3-D Full Waveform Seismic Simulation in General Anisotropic Media.*. United States. doi:10.2172/1561580.

```
Preston, Leiph. Sun .
"Paraniso 1.0: 3-D Full Waveform Seismic Simulation in General Anisotropic Media.". United States. doi:10.2172/1561580. https://www.osti.gov/servlets/purl/1561580.
```

```
@article{osti_1561580,
```

title = {Paraniso 1.0: 3-D Full Waveform Seismic Simulation in General Anisotropic Media.},

author = {Preston, Leiph},

abstractNote = {Many geologic materials and minerals are seismically anisotropic, with the most general anisotropic material having up to 21 independent elastic coefficients. This report outlines the development of a 3-D, generally anisotropic, linear elastic full waveform finite- difference solver. First, a mathematical description of the solution equations will be described. The finite-difference implementation of these equations will then be shown. Finally, a comparison of results from this new solver to other solutions will be provided as verification that the new algorithm can accurately replicate these solutions. ACKNOWLEDGEMENTS The author also acknowledges the National Nuclear Security Administration, Defense Nuclear Nonproliferation Research and Development (DNN R&D), and the Source Physics Experiment (SPE) working group, a multi-institutional and interdisciplinary group of scientists and engineers.},

doi = {10.2172/1561580},

journal = {},

number = ,

volume = ,

place = {United States},

year = {2019},

month = {9}

}