Abstract
A unified definition of generalised stress intensity factors is proposed for multimaterial wedges based on the solution of the singular stress field obtained from the scaled boundary finite element method. This definition is consistent with the classical definitions for cracked problems. It is valid for real, complex and power-logarithmic singularities and avoids the breakdown of existing definitions for V-notched problems. The generalised stress intensity factors are evaluated by following standard stress recovery techniques used in the finite element method. This approach is also extended to the transient dynamic analysis of generalised stress intensity factors. The dynamic effect at high frequency is modelled by a high-order stiffness and mass matrix without internal meshing. Numerical examples are presented to verify the definition and the evaluation procedure. The simplicity and accuracy of this approach are demonstrated.
Published Version
Talk to us
Join us for a 30 min session where you can share your feedback and ask us any queries you have
Schedule a call