A block-coupled Finite Volume methodology for linear elasticity and unstructured meshes

被引：46
|
作者：
Cardiff, P. [1 ,2 ]
Tukovic, Z. [1 ,3 ]
Jasak, H. [3 ,4 ]
Ivankovic, A. [1 ]
机构：
[1] Univ Coll Dublin, Sch Mech & Mat Engn, Belfield, Ireland
[2] Univ Texas Austin, Cockrell Sch Engn, Austin, TX 78712 USA
[3] Univ Zagreb, Fac Mech Engn & Naval Architecture, Zagreb 41000, Croatia
[4] Wikki Ltd, London W8 7PU, England
来源：
COMPUTERS & STRUCTURES | 2016年 / 175卷
关键词：
Cell-centred Finite Volume method; Finite Area method; Linear elasticity; Block-coupled; Solid mechanics; OpenFOAM; RAPID CRACK-PROPAGATION; FLOW; PIPE;
D O I：
10.1016/j.compstruc.2016.07.004
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
The current article presents a fully coupled cell-centred Finite Volume solution methodology for linear elasticity and unstructured meshes. Details are given of the novel implicit discretisation and block coupled solution procedure, including use of a Finite Area method for face tangential gradient calculations and coupled treatment of non-orthogonal corrections. A number of 2-D and 3-D linear-elastic benchmark test cases are examined using hexahedral, tetrahedral and general polyhedral meshes; solution accuracy and efficiency are compared with that of a segregated procedure and a commercial Finite Element software, where the new method is shown to be faster in all cases. (C) 2016 Elsevier Ltd. All rights reserved.
引用
收藏
页码：100 / 122
页数：23
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