THE USE OF A NEW LINE‐SPRING SHELL ELEMENT FOR ELASTIC SURFACE CRACK ANALYSIS

E. de Langre; L. Ebersolt

doi:10.1111/j.1460-2695.1987.tb01157.x

THE USE OF A NEW LINE‐SPRING SHELL ELEMENT FOR ELASTIC SURFACE CRACK ANALYSIS

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Abstract

In this paper, the Line‐Spring concept developed by Rice and Levy[l] is used to build a new elastic surface cracked shell element in the general purpose Finite Element code CASTEM 2000. The implementation is described and an energy release rate technique is proposed to arrive at more accurate Stress Intensity Factor values at the crack front‐free surface intersection. A comparison with existing accepted numerical solutions is made on various plane and cylindrical configurations and a discussion on the applicability of the model is presented.

Original language	English
Pages (from-to)	153-167
Number of pages	15
Journal	Fatigue and Fracture of Engineering Materials and Structures
Volume	10
Issue number	2
DOIs	https://doi.org/10.1111/j.1460-2695.1987.tb01157.x
Publication status	Published - 1 Jan 1987
Externally published	Yes

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abstract = "In this paper, the Line‐Spring concept developed by Rice and Levy[l] is used to build a new elastic surface cracked shell element in the general purpose Finite Element code CASTEM 2000. The implementation is described and an energy release rate technique is proposed to arrive at more accurate Stress Intensity Factor values at the crack front‐free surface intersection. A comparison with existing accepted numerical solutions is made on various plane and cylindrical configurations and a discussion on the applicability of the model is presented.",

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N2 - In this paper, the Line‐Spring concept developed by Rice and Levy[l] is used to build a new elastic surface cracked shell element in the general purpose Finite Element code CASTEM 2000. The implementation is described and an energy release rate technique is proposed to arrive at more accurate Stress Intensity Factor values at the crack front‐free surface intersection. A comparison with existing accepted numerical solutions is made on various plane and cylindrical configurations and a discussion on the applicability of the model is presented.

AB - In this paper, the Line‐Spring concept developed by Rice and Levy[l] is used to build a new elastic surface cracked shell element in the general purpose Finite Element code CASTEM 2000. The implementation is described and an energy release rate technique is proposed to arrive at more accurate Stress Intensity Factor values at the crack front‐free surface intersection. A comparison with existing accepted numerical solutions is made on various plane and cylindrical configurations and a discussion on the applicability of the model is presented.

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THE USE OF A NEW LINE‐SPRING SHELL ELEMENT FOR ELASTIC SURFACE CRACK ANALYSIS

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