On the use of quarter‐point boundary elements for stress intensity factor computations
- 1 October 1984
- journal article
- research article
- Published by Wiley in International Journal for Numerical Methods in Engineering
- Vol. 20 (10), 1941-1950
- https://doi.org/10.1002/nme.1620201013
Abstract
This communication studies a procedure for stress intensity factor computations using traction singular quarter-point boundary elements. Opening mode stress intensity factors are computed from the tractions' nodal values at the crack tip. A comparison is made between the factors calculated using this procedure and those obtained by previously recommended methods which made use of the nodal values of the displacements. The proposed procedure was seen to be less discretization sensitive than any other of the considered methods. Accurate results were obtained even in the case of coarse meshes.Keywords
This publication has 4 references indexed in Scilit:
- Letters to the editorInternational Journal for Numerical Methods in Engineering, 1983
- Two‐dimensional stress intensity factor computations using the boundary element methodInternational Journal for Numerical Methods in Engineering, 1981
- A note on the central crack in a uniformly stressed stripEngineering Fracture Mechanics, 1970
- Rectangular Tensile Sheet With Symmetric Edge CracksJournal of Applied Mechanics, 1964