Object-oriented numerical integration - a template scheme for FEM and BEM applications

被引：4
作者：
Marczak, RJ [1 ]
机构：
[1] Univ Fed Rio Grande do Sul, Dept Mech Engn, BR-90050170 Porto Alegre, RS, Brazil
来源：
ADVANCES IN ENGINEERING SOFTWARE | 2006年 / 37卷 / 03期
关键词：
numerical integration; object-oriented programming; templates; singular integrals; boundary element method; finite element method;
D O I：
10.1016/j.advengsoft.2005.05.007
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
An object-oriented numerical integration template implementation is presented on the basis of the C + + programming language. Aiming its straightforward application in finite and boundary element methods, the design supports integrand objects of scalar, vector or matrix types, so that a single programming statement is able to integrate element matrices and vectors. The integrand can contain singularities like the ones typically found in boundary element methods, allowing the evaluation of both regular and singular integrals under the same programming structure. The use of the proposed design is illustrated through sonic elementary applications as well as finite element and boundary element code excerpts. (C) 2005 Elsevier Ltd. All rights reserved.
引用
收藏
页码：172 / 183
页数：12
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