FRACTURE ANALYSIS OF STRUCTURES

Authors
  1. Porter, J.F.
  2. Zamani, N.G.
  3. Mufti, A.A.
Corporate Authors
Defence Research Establishment Atlantic, Dartmouth NS (CAN);Technical Univ of Nova Scotia, Halifax NS (CAN)
Abstract
During the early sixties, researchers in fracture mechanics proposed new models for prediction of fatigue crack propagation among which the Paris' model is known for its simplicity. The determination of the stress intensity factor required in the above model has been traditionally based on empirical formulas. An alternative approach is to employ the power and versatility of the finite element method to obtain an accurate stress intensity factor range for arbitrary geometries, and then to use curve fitting techniques for determination of the important parameters. This procedure requires extensive computation and this is precisely the reason why the finite element method to predict fatigue crack propagation has not been popular in the past. In the present investigation, a finite element code has been developed which achieves the above goal. Since this is a relatively new area, it is highly desirable to compare results obtained by various independent researchers. TRUNCATED
Report Number
DREA-TC-87-309-SES-3-PAP-2 — @Paper presented at the Canadian Forces/CRAD Meeting, Dartmouth, 28-29 May 1987; CONTAINED IN 88-02311
Date of publication
01 Jan 1985
Number of Pages
15
DSTKIM No
88-02300
CANDIS No
55524
Format(s):
Microfiche filmed at DSIS;Originator's fiche received by DSIS

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