Some particular solutions for penny-shaped crack problem by using hypersingular integral equation or differential-integral equation |
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Authors: | Y Z Chen X Y Lin Z Q Peng |
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Institution: | (1) Division of Engineering Mechanics, Jiangsu University of Science and Technology, Zhenjiang, Jiangsu, 212013 P.R. China, CN |
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Abstract: | Summary A hypersingular integral equation or a differential-integral equation is used to solve the penny-shaped crack problem. It
is found that, if a displacement jump (crack opening displacement COD) takes the form of (a
2−x
2−y
2)1/2
x
m
y
n
, where a denotes the radius of the circular region, the relevant traction applied on the crack face can be evaluated in a closed form,
and the stress intensity factor can be derived immediately. Finally, some particular solutions of the penny-shaped crack problem
are presented in this paper.
Received 1 July 1997; accepted for publication 13 October 1997 |
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Keywords: | penny-shaped crack hypersingular integral equation differential-integral equation stress intensity factor polynomial loading |
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