Boundary Element Analysis for Piezoelectric Cracks by an Interaction Integral

He Guo Liu; Jun Lei; Peng Bo Sun; Qing Sheng Yang

doi:10.4028/www.scientific.net/AMR.1120-1121.1390

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HomeAdvanced Materials ResearchAdvanced Materials Research Vols. 1120-1121Boundary Element Analysis for Piezoelectric Cracks...

Boundary Element Analysis for Piezoelectric Cracks by an Interaction Integral

Abstract:

In this paper, an interaction integral is applied to evaluate the crack-tip field intensity factors for piezoelectric cracks by using BEM. Based on this, the fracture parameters for different crack configurations and loading conditions are analyzed in details for both the center crack and edge crack problem. According to the present results, the path-independent behavior of the interaction integral is verified. The comparison of the I-integral results with those by the J-integral and the displacement interpolating methods shows a good agreement.

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Periodical:

Advanced Materials Research (Volumes 1120-1121)

Pages:

1390-1394

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.1120-1121.1390

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Online since:

July 2015

Authors:

He Guo Liu, Jun Lei*, Peng Bo Sun, Qing Sheng Yang

Keywords:

Boundary Element, Intensify Factors, Interaction Integral, Piezoelectric Material

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