Rapid mode-III crack propagation in a strip of viscoplastic work-hardening material

J. Aboudi; J. D. Achenbach

doi:10.1016/0020-7683(81)90103-7

Rapid mode-III crack propagation in a strip of viscoplastic work-hardening material

J. Aboudi^*, J. D. Achenbach

^*Corresponding author for this work

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

4 Scopus citations

Abstract

Steady-state dynamic fields of stress and deformation have been computed for rapid crack propagation in the mid-plane of a thick strip of a viscoplastic work-hardening material. The faces of the strip are subjected to prescribed anti-plane displacements. The system of governing equations has been solved numerically by a finite difference method with an iterative procedure in the time domain which is continued until a steady-state has been reached. The effects of viscoplastic material behavior have been exhibited by comparisons with the results for the corresponding perfectly elastic problem. Dynamic effects due to high crack-tip speeds have been investigated and dynamic results have been compared with results obtained on the basis of a quasi-static problem formulation.

Original language	English (US)
Pages (from-to)	879-890
Number of pages	12
Journal	International Journal of Solids and Structures
Volume	17
Issue number	9
DOIs	https://doi.org/10.1016/0020-7683(81)90103-7
State	Published - 1981

ASJC Scopus subject areas

Modeling and Simulation
Materials Science(all)
Condensed Matter Physics
Mechanics of Materials
Mechanical Engineering
Applied Mathematics

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10.1016/0020-7683(81)90103-7

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title = "Rapid mode-III crack propagation in a strip of viscoplastic work-hardening material",

abstract = "Steady-state dynamic fields of stress and deformation have been computed for rapid crack propagation in the mid-plane of a thick strip of a viscoplastic work-hardening material. The faces of the strip are subjected to prescribed anti-plane displacements. The system of governing equations has been solved numerically by a finite difference method with an iterative procedure in the time domain which is continued until a steady-state has been reached. The effects of viscoplastic material behavior have been exhibited by comparisons with the results for the corresponding perfectly elastic problem. Dynamic effects due to high crack-tip speeds have been investigated and dynamic results have been compared with results obtained on the basis of a quasi-static problem formulation.",

author = "J. Aboudi and Achenbach, {J. D.}",

note = "Funding Information: Acknowledgement- This work was carried out in the course of research sponsored by the Air Force Office of Scientific Research (Grant AFOSR 78-3589-A).",

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doi = "10.1016/0020-7683(81)90103-7",

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T1 - Rapid mode-III crack propagation in a strip of viscoplastic work-hardening material

AU - Aboudi, J.

AU - Achenbach, J. D.

N1 - Funding Information: Acknowledgement- This work was carried out in the course of research sponsored by the Air Force Office of Scientific Research (Grant AFOSR 78-3589-A).

PY - 1981

Y1 - 1981

N2 - Steady-state dynamic fields of stress and deformation have been computed for rapid crack propagation in the mid-plane of a thick strip of a viscoplastic work-hardening material. The faces of the strip are subjected to prescribed anti-plane displacements. The system of governing equations has been solved numerically by a finite difference method with an iterative procedure in the time domain which is continued until a steady-state has been reached. The effects of viscoplastic material behavior have been exhibited by comparisons with the results for the corresponding perfectly elastic problem. Dynamic effects due to high crack-tip speeds have been investigated and dynamic results have been compared with results obtained on the basis of a quasi-static problem formulation.

AB - Steady-state dynamic fields of stress and deformation have been computed for rapid crack propagation in the mid-plane of a thick strip of a viscoplastic work-hardening material. The faces of the strip are subjected to prescribed anti-plane displacements. The system of governing equations has been solved numerically by a finite difference method with an iterative procedure in the time domain which is continued until a steady-state has been reached. The effects of viscoplastic material behavior have been exhibited by comparisons with the results for the corresponding perfectly elastic problem. Dynamic effects due to high crack-tip speeds have been investigated and dynamic results have been compared with results obtained on the basis of a quasi-static problem formulation.

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Rapid mode-III crack propagation in a strip of viscoplastic work-hardening material

Abstract

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