下载最新版MatDEM（推荐），支持Windows和Linux系统；Download the latest version of MatDEM (recommended), which supports Windows and Linux OS

下载MatDEM2.02（建议下载上面的最新版）；Download the MatDEM_v2.02 (the above latest version is better)

下载MatDEM1.32专著版（建议下载上面的最新版）；Download the MatDEM1.32 Book Version (the above latest version is better)

软件下载后，请打开根目录下的"MatDEM帮助"，查看”安装“中的内容

After downloading the software, please open "MatDEM help" under the root directory, and read the "installation instructions"

Free MatDEM ebook (in English)

可引用以下论文，其介绍了MatDEM的基本原理；Please cite following papers, which introduce the basic principle of the MatDEM:

Liu C., Pollard D.D., Shi B. 2013. Analytical solutions and numerical tests of elastic and failure behaviors of close-packed lattice for brittle rocks and crystals. Journal of Geophysical Research- Solid Earth, 118, 71-82.

Liu C., Shi B., Pollard D. D., and Gu K. 2015. Mechanism of formation of wiggly compaction bands in porous sandstone: 2. Numerical simulation using discrete element method. Journal of Geophysical Research- Solid Earth, 120, 8153-8168.

Liu C., Xu, Q., Shi, B., Deng, S., and Zhu, H. 2017. Mechanical properties and energy conversion of 3d close-packed lattice model for brittle rocks. Computers & Geosciences, 103, 12-20.

刘 春，乐天呈，施 斌，朱 遥. 颗粒离散元法工程应用的三大问题探讨. 岩石力学与工程学报, 2020, 39(6): 1142-1152.

Zhu Y., Liu C., Liu H., Kou Y., Shi B. A multi-field and fluid-solid coupling method for porous media based on DEM-PNM. Computers and Geotechnics, 2023, 154.

Chun Liu  Nanjing University