# PyGRT

**Repository Path**: dengda98/PyGRT

## Basic Information

- **Project Name**: PyGRT
- **Description**: An Efficient and Integrated C/Python Package for Computing Synthetic Seismograms, Strain and Stress in a Layered Half-Space Model (Dynamic & Static Cases)
- **Primary Language**: Unknown
- **License**: GPL-3.0
- **Default Branch**: main
- **Homepage**: None
- **GVP Project**: No

## Statistics

- **Stars**: 0
- **Forks**: 0
- **Created**: 2025-04-21
- **Last Updated**: 2025-12-16

## Categories & Tags

**Categories**: Uncategorized

**Tags**: None

## README

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  <img src="./figs/logo.png" alt="Image 2" width="45%" />
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  <img alt="GitHub code size in bytes" src="https://img.shields.io/github/languages/code-size/Dengda98/PyGRT">
  <img alt="GitHub Actions Workflow Status" src="https://img.shields.io/github/actions/workflow/status/Dengda98/PyGRT/build.yml">
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  <img src="./figs/example_ZRT.png" alt="Image 1" width="80%" />
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[**Chinese Document**](https://pygrt.readthedocs.io/zh-cn/)  |  ~~English Document (no longer maintained)~~

**[PyGRT](https://github.com/Dengda98/PyGRT)** : An Efficient and Integrated C/Python Package for Computing Synthetic Seismograms, Strain, Rotation and Stress Tensor in a Layered Half-Space Model (Dynamic & Static Cases)

 + **PyGRT** now can compute following properties in **both dynamic and static case.**  
    ✔️ **Displacements and its spatial derivatives**  
    ✔️ **Strain Tensor**  
    ✔️ **Rotation Tensor**  
    ✔️ **Stress Tensor**


 + **At present, PyGRT can run on**  
    ✔️ **Linux**  
    ✔️ **MacOS**  
    ✔️ **Windows**

 + **PyGRT is extremely easy to install** by distributing pre-built binary files.

 + **PyGRT now supports the model with liquid layers.**

 + **PyGRT is still evolving**, and more features will be released in the future.

 + **Surface wave** modules will be released soon.



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  <img src="./figs/diagram_cut.png" alt="Image 2" width="80%" />
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# Contact
If you have any questions or suggestions, feel free to reach out:
- **Email**: zhudengda@mail.iggcas.ac.cn
- **GitHub Issues**: You can also raise an issue directly on GitHub.

# Citation

Since PyGRT has been under continuous maintenance and extension during the peer review, **its functions have exceeded the scope described in this paper.** For detailed usage of each function, please refer to the [**documentation**](https://pygrt.readthedocs.io/zh-cn/).

> Zhu D., J. Wang, J. Hao, S. Yao, Y. Xu, T. Xu and Z. Yao (2026). PyGRT: An Efficient and Integrated Python Package for Computing Synthetic Seismograms in a Layered Half-Space Model. Seismological Research Letters. doi: [10.1785/0220250057](https://doi.org/10.1785/0220250057)

> Zhu, D., T. Xu, J. Hao, and Z. Yao (2026). A Direct Convergence Method for Computing Synthetic Seismograms for a Layered Half-space with Sources and Receivers at Close Depths, Bulletin of the Seismological Society of America. (accepted)

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