Interaction of fluid-solid-geomembrane by the material point method

被引:13
|
作者
Hamad, Fursan [1 ]
Wieckowski, Zdzislaw [2 ]
Moormann, Christian [1 ]
机构
[1] Univ Stuttgart, Inst Geotech Engn, Pfaffenwaldring 35, D-70569 Stuttgart, Germany
[2] Lodz Univ Technol, Dept Mech Mat, Al Politech 6, PL-90924 Lodz, Poland
关键词
Material point method; Fluid-solid-geomebrane interaction; Geo-container installation; ELEMENT;
D O I
10.1016/j.compgeo.2016.07.014
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
A dynamic, large deformation problem of fluid-solid-geomembrane interaction is analysed by the use of material point method, a variant of the finite element method stated in a Lagrangian-Eulerian format. A low-order element is used for space discretisation and the fluid is treated as a compressible liquid with a high value of bulk modulus. Therefore, two algorithms known from literature are applied to mitigate the effects related to the volumetric locking phenomenon. Moreover, a procedure of detecting the free surface is proposed. The method is applied to problems of determining the shape of geo-tubes, collapsing water column, and finally, to the problem of installation of a geo-container on the bed of a water reservoir. The obtained numerical outcomes are compared with the experimental results and the analytic ones when available. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码:112 / 124
页数:13
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