Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
775817 | Engineering Fracture Mechanics | 2007 | 12 Pages |
Abstract
The force method is a simple and accurate technique for calculating stress intensity factors (SIFs) from finite element (FE) models, but it has been scarcely used. This paper shows three important advantages of the force method, which make it particularly attractive for designers and researchers. First, it can be employed without special singular quadratic finite elements at the crack tip. Actually, linear reduced integration elements may be used. Second, the force method can be applied to highly anisotropic materials without requiring knowledge of complicated elasticity relations for the stress field around the crack tip. Third, it can handle mixed-mode fracture problems.
Related Topics
Physical Sciences and Engineering
Engineering
Mechanical Engineering
Authors
A.B. de Morais,