基于耦合时域的数值流形法岩石边坡动态稳定性分析

doi:10.13722/j.cnki.jrme.2021.0593

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Abstract This paper proposed a temporal coupled explicit-implicit time integration algorithm to improve the computational efficiency of the numerical manifold method(NMM) for seismic stability analysis of rock slopes. The algorithm includes a coupled time integration scheme，a phase transfer criterion and an associated contact criterion. To calibrate the proposed algorithm，a block sliding along a slope under seismic excitation and a block rocking under half-sine pulse shaking were simulated. The algorithm was also applied to analyze the dynamic stability of an open-pit mine slope excited by the input earthquake wave. The simulated results by the algorithm are in good agreement with those obtained by the traditional NMM，whereas the computational efficiency of the former is improved significantly to 5.67 times more than that of the latter. The proposed coupled time integration algorithm has the potential to be applied to larger engineering problems.

Key words： slope engineering rock slopes numerical manifold method time integration temporal domain stability analysis

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	Articles by authors
	QU Xiaolei1
	CHEN Jie2
	TANG Hao2
	DONG Ruyi2
	QI Chengzhi1

Cite this article:

QU Xiaolei1,CHEN Jie2,TANG Hao2, et al. Rock slope dynamic stability analysis based on coupling temporal domain numerical manifold method[J]. , 2022, 41(1): 82-92.

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https://rockmech.whrsm.ac.cn/EN/10.13722/j.cnki.jrme.2021.0593 OR https://rockmech.whrsm.ac.cn/EN/Y2022/V41/I1/82

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