SCI期刊 | 5篇基于矩阵离散元MatDEM计算结果学术论文

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导读：2021年1月至2月，共有5篇基于矩阵离散元（MatDEM）计算结果的论文发表于SCI期刊，应用于岩崩、落石、滑坡等灾害，以及岩石三轴试验和土工格栅性能和破坏机理分析。

离散元法能有效地模拟岩土体的非连续性、不均匀性和大变形破坏，在科研和生产实践中具有广泛的应用价值。基于原创的矩阵离散元计算法和宏微观转换理论，自主高性能离散元软件MatDEM实现了工程尺度的离散元数值分析，为地质和岩土工程科技创新贡献力量！

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1. Luo, H., Xing, A., Jin, K. et al. Discrete Element Modeling of the Nayong Rock Avalanche, Guizhou, China Constrained by Dynamic Parameters from Seismic Signal Inversion. Rock Mech Rock Eng (2021). https://doi.org/10.1007/s00603-021-02363-9

Basic numerical model of Nayong avalanche

2. He, Y., Nie, L., Lv, Y. et al. The study of rockfall trajectory and kinetic energy distribution based on numerical simulations. Nat Hazards 106, 213–233 (2021).https://doi.org/10.1007/s11069-020-04457-z

Cases that show how the rock block fails to reach the slope foot

3. Qin, Y., Liu, C., Zhang, X. et al. A three-dimensional discrete element model of triaxial tests based on a new flexible membrane boundary. Sci Rep 11, 4753 (2021).https://doi.org/10.1038/s41598-021-84224-7

Te stress feld and slipping frictional heat feld at strain 8.5% under 2 MPa confning pressure: (a) stress feld; (b) slipping frictional heat feld.

4. Jing, H., Gou, M,, Song, L. Discrete Element Simulation of Bending Deformation of Geogrid-Reinforced Macadam Base. Technical Gazette 28(1): 230-239(2021).https://doi.org/10.17559/TV-20200623155019

Vertical strain nephogram of macadam base pavement structure

5. Chen, Z., Song, D. Numerical investigation of the recent Chenhecun landslide (Gansu, China) using the discrete element method. Nat Hazards 105, 717–733 (2021).https://doi.org/10.1007/s11069-020-04333-w