A boundary formulation for calculating moments of an arbitrary closed planar region

被引：5
|
作者：
Yeih, W
Chang, JR
Chen, JT [1 ]
机构：
[1] Natl Taiwan Ocean Univ, Dept Harbor & River Engn, Keelung 202, Taiwan
[2] Natl Taiwan Ocean Univ, Dept Naval Architecture, Keelung 202, Taiwan
来源：
ENGINEERING ANALYSIS WITH BOUNDARY ELEMENTS | 1999年 / 23卷 / 07期
关键词：
moments of area; domain integral; boundary integral;
D O I：
10.1016/S0955-7997(99)00004-1
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
In this study, a boundary formulation for calculating moments of an arbitrary closed planar region is proposed instead of calculating moments using the domain integral. The Gauss' divergence theorem is used to transform moments of area into boundary integrals. Three examples are demonstrated to show the validity of the proposed method. Results obtained from the boundary formulation are compared with analytical solutions, and good accuracy is obtained. (C) 1999 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：611 / 617
页数：7
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