Elastic stress analysis of bi material plate with crack normal to interfaces
Lin, Fong-tsu
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https://hdl.handle.net/2142/112083
Description
Title
Elastic stress analysis of bi material plate with crack normal to interfaces
Author(s)
Lin, Fong-tsu
Issue Date
1972-05
Keyword(s)
Elastic Stress
Bi-material Plate
Abstract
The elastic stress analyses of a bi-material plate with a crack approaching normally to the bi-material interfaces and with crack tips at the interfaces are studied in this investigation. The finite element method was used to analyze the problems.
Strain energy release rate, G, was calculated by a potential energy method for the crack approaching normally to the interfaces.
Finite element procedures and computer programs for the bi-material plate under plane stress condition were developed during the course of this investigation. The strength of stress singularity, the stress distribution (straight ahead of the crack and along the interface) are also discussed.
The strain energy release rate coefficient, G /P2, of an aluminum-epoxy system was found by an experimental compliance calibration procedure.
A boundary collocation procedure applied to the Zak and Williams stress function was employed to determine the elastic stress function in the vicinity of the crack tip of a bi-material plate with a crack normal to the interfaces and crack tips at the interfaces.
Publisher
Department of Theoretical and Applied Mechanics. College of Engineering. University of Illinois at Urbana-Champaign
Series/Report Name or Number
TAM R 356
1972-6004
ISSN
0073-5264
Type of Resource
text
Language
eng
Permalink
http://hdl.handle.net/2142/112083
Sponsor(s)/Grant Number(s)
Naval Air Systems Command, Contract No. N00019-72-C-0274
Copyright and License Information
Copyright 1972 Board of Trustees of the University of Illinois
TAM technical reports include manuscripts intended for publication, theses judged to have general interest, notes prepared for short courses, symposia compiled from outstanding undergraduate projects, and reports prepared for research-sponsoring agencies.
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