Low-order stabilized finite element for the full Biot formulation in soil mechanics at finite strain

被引：50

作者：

Monforte, Lluis ^{[1
]}

Navas, Pedro ^{[1
]}

Maria Carbonell, Josep ^{[2
]}

Arroyo, Marcos ^{[1
]}

Gens, Antonio ^{[1
]}

机构：

[1] Univ Politecn Cataluna, BarcelonaTech, Dept Geotech Engn, Campus Nord,Carrer Jordi Girona 1-3, ES-08034 Barcelona, Spain

[2] Int Ctr Numer Methods Engn CIMNE, Barcelona, Spain

来源：

INTERNATIONAL JOURNAL FOR NUMERICAL AND ANALYTICAL METHODS IN GEOMECHANICS | 2019年 / 43卷 / 07期

关键词：

consolidation; full Biot; low-order stabilization techniques; large strains; poromechanics; SATURATED POROUS-MEDIA; TIME INTEGRATION SCHEMES; U-W FORMULATION; EQUAL-ORDER; DYNAMIC-BEHAVIOR; NUMERICAL-SIMULATION; INSERTION PROBLEMS; WAVE-PROPAGATION; COUPLED ANALYSIS; INTERPOLATION;

D O I：

10.1002/nag.2923

中图分类号：

P5 [地质学];

学科分类号：

0709 ; 081803 ;

摘要：

This article presents a novel finite element formulation for the Biot equation using low-order elements. Additionally, an extra degree of freedom is introduced to treat the volumetric locking steaming from the effective response of the medium; its balance equation is also stabilized. The accuracy of the proposed formulation is demonstrated by means of numerical analyses.

引用

页码：1488 / 1515

页数：28

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