维普中文期刊产品整合服务

Numerical Modeling of the Dynamic Response of an Elastoplastic Seabed Under Wave-Current Interactions

查看全文 作　　者：SHAN [1]Zhigang;ZHU [2]Zhipeng;WANG [2,3]Dong;YE [4]Guanlin 高影响力作者 机构地区：[1]Zhejiang Huadong Construction Engineering Corporation Limited,Hangzhou 310014,China;[2]MOE Key Laboratory of Marine Environment and Ecology,Ocean University of China,Qingdao 266100,China;[3]Laboratory of Marine Geology,Qingdao National Laboratory for Marine Science and Technology,Qingdao 266237,China;[4]Department of Civil Engineering and State Key Laboratory of Ocean Engineering,Shanghai Jiao Tong University,Shanghai 200240,China高影响力机构 出　　处：《Journal of Ocean University of China》索引2023年第22卷第1期,共10页高影响力期刊 基　　金：supported by the National Natural Science Foundation of China(Nos.U1806230 and 42025702);the Key Science and Technology Plan of PowerChina Huadong Engineering Corporation(No.KY2018-ZD-01). 摘　　要：Wave-induced liquefaction of the seabed is a geohazard frequently encountered in shallow waters.Although widely discussed,most studies paid attention to the seabed response under a single sequence of wave loading.However,the seabed suffers from repeated‘wave loading–dissipation’phases in a real ocean environment.In this study,a homogeneous sandy seabed model is established to investigate the mechanism of wave-induced liquefaction by considering the existence of currents.Finite element analyses are conducted by incorporating a kinematic hardening elastoplastic model into the commercial package Abaqus.The constitutive model is validated against centrifugal wave tests.Parametric studies are conducted to demonstrate the effects of relative densities,current,and wave-loading history on the seabed response.The predicted excess pore pressure,effective stress paths,and associated variation of relative density are discussed in detail.The results show that the densification of soils significantly enhances the resistance against liquefaction,which provides new insight into the mechanism of residual liquefaction during wave sequences. 关 键 词：SEABED LIQUEFACTION wave current finite element methods cyclic loading
相关文献

参考文献(34)

引证文献(1)

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1　渝公网安备 50019002500403号　违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费