DETERMINATION OF OPENING MODE STRESS INTENSITY FACTOR FOR EDGE CRACKS BY MEANS OF DIGITAL SHEAROGRAPHY INCLUDING ANALYTICAL AND NUMERICAL SIMULATIONS

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GHAZIZADEH A.; SOLTANI N.; HAKIMELAHI B.; GHASEMI M.

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Paper Information

Journal: Journal of Aerospace Mechanics Year:2006 | Volume:1 | Issue:3 Page(s): 97-106

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Title

DETERMINATION OF OPENING MODE STRESS INTENSITY FACTOR FOR EDGE CRACKS BY MEANS OF DIGITAL SHEAROGRAPHY INCLUDING ANALYTICAL AND NUMERICAL SIMULATIONS

Author(s)

GHAZIZADEH A. | SOLTANI N. | HAKIMELAHI B. | GHASEMI M. | Issue Writer Certificate

Keywords

DIGITAL SHEAROGRAPHYQ3

FINITE ELEMENT METHODQ3

STRESS INTENSITY FACTORQ2

Abstract

In this paper, opening mode STRESS INTENSITY FACTOR (SIF) for edge cracks has been obtained by means of nondestructive optical technique of DIGITAL SHEAROGRAPHY. The resulting fringes were simulated by both analytical relations and FINITE ELEMENT METHOD (FEM). Then shearographic relations and linear elastic fracture mechanics relations were incorporated to develop an algorithm to determine K1 To utilize the advantage of "whole field" shearography and to minimize random experimental errors, the least squares method is used to obtain SIF. The comparison of fringes, as well as shearography and empirical K1 values, shows good agreements between simulation and experimental results and proves the credibility of experimental fringes and potentials of this non-destructive method in measurement applications.

Cites

DETERMINATION OF STRESS INTENSITY FACTORS IN COMPOSITE MATERIALS BY MEANS OF OPTICAL EXPERIMENTAL TECHNIQUE OF DIGITAL SHEAROGRAPHY

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APA: Copy

GHAZIZADEH, A., SOLTANI, N., HAKIMELAHI, B., & GHASEMI, M.. (2006). DETERMINATION OF OPENING MODE STRESS INTENSITY FACTOR FOR EDGE CRACKS BY MEANS OF DIGITAL SHEAROGRAPHY INCLUDING ANALYTICAL AND NUMERICAL SIMULATIONS. AEROSPACE MECHANICS JOURNAL, 1(3), 97-106. SID. https://sid.ir/paper/101778/en

Vancouver: Copy

GHAZIZADEH A., SOLTANI N., HAKIMELAHI B., GHASEMI M.. DETERMINATION OF OPENING MODE STRESS INTENSITY FACTOR FOR EDGE CRACKS BY MEANS OF DIGITAL SHEAROGRAPHY INCLUDING ANALYTICAL AND NUMERICAL SIMULATIONS. AEROSPACE MECHANICS JOURNAL[Internet]. 2006;1(3):97-106. Available from: https://sid.ir/paper/101778/en

IEEE: Copy

A. GHAZIZADEH, N. SOLTANI, B. HAKIMELAHI, and M. GHASEMI, “DETERMINATION OF OPENING MODE STRESS INTENSITY FACTOR FOR EDGE CRACKS BY MEANS OF DIGITAL SHEAROGRAPHY INCLUDING ANALYTICAL AND NUMERICAL SIMULATIONS,” AEROSPACE MECHANICS JOURNAL, vol. 1, no. 3, pp. 97–106, 2006, [Online]. Available: https://sid.ir/paper/101778/en

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