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Structural Engineering and Mechanics
  Volume 40, Number 6, December25 2011, pages 813-827
DOI: http://dx.doi.org/10.12989/sem.2011.40.6.813
 


A numerical solution for a finite internally cracked plate using hybrid crack element method
Y.Z. Chen

 
Abstract
    This paper provides a numerical solution for a finite internally cracked plate using hybrid crack element method (HCE). In the formulation, an inclined crack is placed in any place of a rectangular element and the complex variable method is used. The complex potentials are expressed in a series form, and several undetermined coefficients are involved. The complex potentials for the cracked rectangle are first suggested in this paper. Based on a variational principle, the element stiffness matrix can be evaluated. The next steps are same as in the usual finite element method. Several numerical examples with computed stress intensity factor and T-stress are presented.
 
Key Words
    hybrid crack element; variational principle; complex variable method; stress intensity factor; T-stress
 
Address
Y.Z. Chen: Division of Engineering Mechanics, Jiangsu University, Zhenjiang, Jiangsu, 212013 People
 

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