Calculation of notch H-integrals using image correlation experiments

Shen-Haw Ju

Calculation of notch H-integrals using image correlation experiments

Shen-Haw Ju

Department of Civil Engineering

Research output: Contribution to journal › Article › peer-review

3 Citations (Scopus)

Abstract

This study evaluated notch H-integrals as well as stress intensity factors (SIFs) using image-correlation experiments for anisotropic materials. First, complex displacement and stress functions are deduced into an H-integral equation. Displacements and stresses from image-correlation experiments are then substituted into the H-integral equation to evaluate the notch SIFs. Experimental results compared with finite element analyses show that the SIFs evaluated using the current method are acceptably accurate.

Original language	English
Pages (from-to)	517-525
Number of pages	9
Journal	Proceedings of the Society for Experimental Mechanics, Inc.
Volume	67
Publication status	Published - 2010 Dec 1

All Science Journal Classification (ASJC) codes

Mechanics of Materials
Mechanical Engineering

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abstract = "This study evaluated notch H-integrals as well as stress intensity factors (SIFs) using image-correlation experiments for anisotropic materials. First, complex displacement and stress functions are deduced into an H-integral equation. Displacements and stresses from image-correlation experiments are then substituted into the H-integral equation to evaluate the notch SIFs. Experimental results compared with finite element analyses show that the SIFs evaluated using the current method are acceptably accurate.",

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AB - This study evaluated notch H-integrals as well as stress intensity factors (SIFs) using image-correlation experiments for anisotropic materials. First, complex displacement and stress functions are deduced into an H-integral equation. Displacements and stresses from image-correlation experiments are then substituted into the H-integral equation to evaluate the notch SIFs. Experimental results compared with finite element analyses show that the SIFs evaluated using the current method are acceptably accurate.

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