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A simple model for the contact problem of a finite cracked plate in bending

โœ Scribed by C.W. Woo; Y.K. Cheung; Y.Z. Chen; Y.H. Wang

Publisher
Elsevier Science
Year
1988
Tongue
English
Weight
331 KB
Volume
29
Category
Article
ISSN
0013-7944

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โœฆ Synopsis

In bending of a finite cracked plate, the stress intensity factor (SfF) at a cracked tip is usually negative. This means that the displacement at the vicinity of the crack tip is overlapped. However, this is not reasonable. In this paper a simple model is suggested. When the SIF is negative, some part of the crack will close. By using a coflocation method the length of the closed part of the crack, and the SIF value of the other crack tip have been calculated. The results are useful for engineering practice.

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