基于特征值法的三维无限岩土中球面波传播解

Proceedings of the 2022 International Conference on Computational Infrastructure and Urban Planning Pub Date : 2022-06-18 DOI:10.1145/3546632.3546884

Xiaofei Qin, Hongjun Li, W. Lei, Youhua Fan

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引用次数: 0

摘要

基于特征量法(MOC)，研究了三维无限弹性岩土中双指数爆破作用下的球面波传播问题。介绍了爆破致球波MOC的求解过程，给出并讨论了相应的径向应力、周向应力、速度和位移的计算结果。结果表明，MOC为动态数值算法的高标准标定提供了有力的工具，爆破球波MOC解在爆破工程数值分析中具有重要作用。

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Solution of Spherical Wave Propagation in a 3D Infinite Rock and Soil Based on the Method of Characteristics

Based on the method of characteristics (MOC), the problem of spherical wave propagation under the double exponential blasting loads in 3D infinite elastic rock and soil is studied in this paper. The solution procedures of MOC for blasting-induced spherical wave are introduced, and the corresponding calculated results of the radial stress, circumference stress, velocity and displacement are presented and discussed. The results show MOC provides a powerful tool for high-standard calibration of dynamic numerical algorithm, and the MOC solution of blasting spherical wave plays an important role in the numerical analysis of blasting engineering.

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Proceedings of the 2022 International Conference on Computational Infrastructure and Urban Planning

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