Dynamic Interaction of Natural and Man-Made Structures with Earth Medium

查看全文 作　　者：Liao ZhenpengInstitute of Engineering Mechanics, CSB, Harbin 150080, China 出　　处：《Earthquake Research in China》索引1999年第13卷第3期,共40页 基　　金：This paper is one of the lectures presented at 'IUGG/CSB International Training Course on Continental Earthquakes and Seismic Hazard' held in Beijing, China on October 4 to 14, 1998. 摘　　要：The state of the art of dynamic interaction studies is discussed. A practical technique, the decoupling direct method for the studies, is introduced briefly and demonstrated systematically via a series of numerical experiments. The key point of the technique, i.e. the decoupling simulation of infinite media, is further clarified in four aspects: its original formulation, Us relation with other schemes for simulating infinite media, its spurious reflection analyses and its stable implementation. Applications of the decoupling direct method to the forward problems of dynamic interaction and a challenge to cope with the related inverse problems in the next century are briefly addressed. 关 键 词：Dynamic interaction Modeling of INFINITE media Local artificial BOUNDARY CONDITION Numerical simulation of wave motion.