Modelling the wave-induced instantaneous liquefaction in a non-cohesive seabed as a nonlinear complementarity problem
文献类型：期刊论文
| 作者 | Zhou, Mozhen5; Liu, Hui4; Jeng, Dong-Sheng3; Qi WG(漆文刚)1,2 ; Fang, Qian5
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| 刊名 | COMPUTERS AND GEOTECHNICS
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| 出版日期 | 2021-09-01 |
| 卷号 | 137页码:18 |
| 关键词 | Nonlinear complementarity problem Karush-Kuhn-Tucker (KKT) condition Lagrange multiplier method Soil liquefaction Wave-seabed interactions |
| ISSN号 | 0266-352X |
| DOI | 10.1016/j.compgeo.2021.104275 |
| 通讯作者 | Qi, Wengang(qiwengang@imech.ac.cn) |
| 英文摘要 | The estimation of the wave-induced instantaneous liquefaction is particularly important for the design of foundations of offshore structures. Regarding the occurrence of liquefaction in a non-cohesive seabed, most existing studies using constant permeability were found to cause fallacious tensile stresses in the liquefied zone and further pollute the overall pore pressure distribution. A dynamic permeability model was previously presented to mitigate the shortcoming but posed difficulties in the nonlinear convergence. To overcome the shortcoming of the previous studies, this study proposes the concept of modelling the liquefaction-involved wave-seabed interactions as a nonlinear complementarity problem, wherein a Karush-Kuhn-Tucker condition is constructed, based on revisiting the liquefaction criterion most widely applied in ocean engineering. The Lagrange multiplier method and the primal-dual active set strategy are employed to numerically deal with the nonlinear complementarity problem. The performance of the chosen multiplier space is investigated by theoretical analyzing and numerical modelling. Compared with the previous dynamic permeability model, the present model is totally free of extra parameters and precisely fulfills the no-tension requirement. Moreover, the difficulties of dynamic permeability in the nonlinear convergence are overcome and no divergence is observed in the numerical tests. |
| 分类号 | 一类 |
| WOS关键词 | INDUCED PORE PRESSURE ; MONO-PILE ; NUMERICAL-SIMULATION ; BURIED PIPELINE ; CRACK-GROWTH ; SAND ; SOIL ; ACCUMULATION ; PERMEABILITY ; SEDIMENT |
| 资助项目 | Fundamental Research Funds for the Central Universities[2021JBM034] ; National Natural Science Foundation of China[51808034] ; National Natural Science Foundation of China[11972036] |
| WOS研究方向 | Computer Science ; Engineering ; Geology |
| 语种 | 英语 |
| WOS记录号 | WOS:000692634100004 |
| 资助机构 | Fundamental Research Funds for the Central Universities ; National Natural Science Foundation of China |
| 其他责任者 | Qi, Wengang |
| 源URL | [http://dspace.imech.ac.cn/handle/311007/87411]  |
| 专题 | 力学研究所_流固耦合系统力学重点实验室(2012-) |
| 作者单位 | 1.Univ Chinese Acad Sci, Sch Engn Sci, Beijing 100049, Peoples R China 2.Chinese Acad Sci, Inst Mech, Key Lab Mech Fluid Solid Coupling Syst, Beijing 100190, Peoples R China; 3.Griffith Univ, Sch Engn & Built Environm, Gold Coast Campus, Gold Coast, Qld 4222, Australia; 4.China Inst Water Resources & Hydropower Res, Beijing 100038, Peoples R China; 5.Beijing Jiaotong Univ, Key Lab Urban Underground Engn, Minist Educ, Beijing 100044, Peoples R China; |
| 推荐引用方式 GB/T 7714 | Zhou, Mozhen,Liu, Hui,Jeng, Dong-Sheng,et al. Modelling the wave-induced instantaneous liquefaction in a non-cohesive seabed as a nonlinear complementarity problem[J]. COMPUTERS AND GEOTECHNICS,2021,137:18. |
| APA | Zhou, Mozhen,Liu, Hui,Jeng, Dong-Sheng,漆文刚,&Fang, Qian.(2021).Modelling the wave-induced instantaneous liquefaction in a non-cohesive seabed as a nonlinear complementarity problem.COMPUTERS AND GEOTECHNICS,137,18. |
| MLA | Zhou, Mozhen,et al."Modelling the wave-induced instantaneous liquefaction in a non-cohesive seabed as a nonlinear complementarity problem".COMPUTERS AND GEOTECHNICS 137(2021):18. |
入库方式： OAI收割
来源：力学研究所
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