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《Engineering Mechanics》 2017-09
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TIME-DOMIAN STUDY OF THE DYNAMIC STRESS OF PERFORATED CAISSON UNDER WAVE ACTION

TANG Xiao-cheng;JIANG Feng;CHEN Hong-zhou;HAO Dong-xue;CHEN Rong;School of Civil Engineering and Architecture, Northeast Dianli University;School of Civil Engineering, Dalian University of Technology;  
The revised Smoothed Particle Hydrodynamics(SPH) method based on the Corrective Smoothed Particle Method(CSPM) and the Riemann solution is used to simulate interaction between wave and perforated caisson with a top cover. The dynamic stress response time-domain research of perforated caisson based on the Fully Transient Dynamic Analysis Method is also studied, such as the distribution of dynamic stress along the perforate plate and the relationship between peak of dynamic stress and its influencing factor. It is concluded that the equivalent stress of perforated caisson exhibits nonlinear variation from the center to the sides along the perforated plate at the still water lever. This research is expected to be helpful for design of perforated caisson.
【Fund】: 国家自然科学基金项目(51308095 51409045)
【CateGory Index】: P75;TV139.2
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