Weidong Lei1, Hai Zhou1,*, Hongjun Li2, Rui Chen1
CMES-Computer Modeling in Engineering & Sciences, Vol.126, No.2, pp. 577-597, 2021, DOI:10.32604/cmes.2021.011857
Abstract In order to simulate the propagation process of subway vibration of parallel tunnels in semi-infinite rocks or
soils, time domain boundary element method (TD-BEM) formulation for analyzing the dynamic response of
twin-parallel circular tunnels in an elastic semi-infinite medium is developed in this paper. The time domain
boundary integral equations of displacement and stress for the elastodynamic problem are presented based on
Betti’s reciprocal work theorem, ignoring contributions from initial conditions and body forces. In the process of
establishing time domain boundary integral equations, some virtual boundaries are constructed between finite
boundaries and the free boundary to form a boundary… More >
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