Transient thermal stress intensity factors for Mode I edge-cracks

被引：5

作者：

Zhou, Zhen-huan ^{[2
,3
]}

Xu, Xin-sheng ^{[2
,3
]}

Leung, Andrew Yee-tak ^{[1
]}

Guan, Zhen-qun ^{[2
,3
]}

机构：

[1] City Univ Hong Kong, Dept Bldg & Construct, Hong Kong, Hong Kong, Peoples R China

[2] Dalian Univ Technol, Dept Engn Mech, Dalian 116024, Peoples R China

[3] Dalian Univ Technol, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China

来源：

NUCLEAR ENGINEERING AND DESIGN | 2011年 / 241卷 / 09期

关键词：

THICK-WALLED CYLINDER; FUNCTIONALLY GRADIENT MATERIAL; GRADED RECTANGULAR-PLATE; 3-DIMENSIONAL SOLUTION; CIRCUMFERENTIAL CRACK; HAMILTONIAN APPROACH; SEMIELLIPTIC CRACK; BODY; DIRECTION; FRACTURE;

D O I：

10.1016/j.nucengdes.2011.07.034

中图分类号：

TL [原子能技术]; O571 [原子核物理学];

学科分类号：

0827 ; 082701 ;

摘要：

Stress intensity factors are analytically derived for an edge-cracked circular disk subjected to transient thermal stresses using symplectic technique. The transient temperature function for the time independent boundary conditions is obtained by a generalized symplectic approach and the method of separation of variables. From the obtained temperature function, quasi-static solutions of the thermoelasticity problem are derived analytically. The stress intensity factors together with the close form solutions for both displacements and stresses are found simultaneously. The results obtained are in good accordance with those cited in the literature for some special cases of steady state problem. In addition, a parametric study is performed in the numerical examples. (C) 2011 Elsevier B.V. All rights reserved.

引用

页码：3613 / 3623

页数：11

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