A parallel domain decomposition BEM algorithm for three-dimensional exponentially graded elasticity

被引：2
|
作者：
Ortiz, J. E. [1 ]
Shelton, W. A. [2 ]
Mantic, V. [1 ]
Gray, L. J. [1 ,2 ]
Paris, F. [1 ]
机构：
[1] Univ Seville, Grp Elast & Strength Mat, Seville 41092, Spain
[2] Oak Ridge Natl Lab, Div Math & Comp Sci, Oak Ridge, TN 37831 USA
来源：
JOURNAL OF APPLIED MECHANICS-TRANSACTIONS OF THE ASME | 2008年 / 75卷 / 05期
关键词：
functionally graded material; radially graded material; boundary integral equation; domain decomposition; distributed computing;
D O I：
10.1115/1.2936232
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
A parallel domain decomposition boundary integral algorithm for three-dimensional exponentially graded elasticity has been developed. As this subdomain algorithm allows the grading direction to vary in the structure, geometries arising from practical functionally graded material applications can be handled. Moreover, the boundary integral algorithm scales well with the number of processors, also helping to alleviate the high computational cost of evaluating the Green's functions. For axisymmetric plane strain states in a radially graded material, the numerical results for cylindrical geometries are in excellent agreement with the analytical solution deduced herein.
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页数：8
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