A symplectic analytical singular element for the inclined crack terminating at the material interface of composite structures

被引：0

作者：

Hu, X. F. ^{[1
]}

Shen, Q. S. ^{[1
]}

Yao, W. A. ^{[1
]}

机构：

[1] Dalian Univ Technol, Int Res Ctr Computat Mech, State Key Lab Struct Anal Ind Equipment, Dalian 116024, Peoples R China

来源：

12TH INTERNATIONAL CONFERENCE ON DAMAGE ASSESSMENT OF STRUCTURES | 2017年 / 842卷

基金：

中国国家自然科学基金;

关键词：

STRESS INTENSITY FACTORS; FINITE-ELEMENT;

D O I：

10.1088/1742-6596/842/1/012080

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

The inclined bimaterial interface crack problem is studied from theoretical and computational aspects. The original problem is transformed into an eigen value problem by using the symplectic approach, and the eigen solution are obtained. A Symplectic Analytical Singular Element (SASE), of which the interior fields are described by the obtained eigen solutions, is developed. The stress intensity factors (SIFs) can be calculated directly without any post-processing. Numerical example on a square bimaterial plate containing an inclined crack is provided to validate the proposed method. The comparison of the predicted results with the existing result indicates that the proposed method is accurate for the modelling of the inclined bimaterial interface crack.

引用

页数：6

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