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Anisotropic modelling and numerical simulation of brittle damage in concrete

Anisotropic modelling and numerical simulation of brittle damage in concrete A framework for damage mechanics of brittle solids is presented and exploited in the design and numerical implementation of an anisotropic model for the tensile failure of concrete. The key feature exploited in the analysis is the hypothesis of maximum dissipation, which specifies a unique damage rule for the elastic moduli of the solid once a failure surface is specified. A complete algorithmic treatment of the resulting model is given which renders a useful tool for large‐scale inelastic finite element calculations. A rather simple three‐surface failure model for concrete, containing essentially no adjustable parameters, is shown to produce results in remarkably good agreement with sample experimental data. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png International Journal for Numerical Methods in Engineering Wiley

Anisotropic modelling and numerical simulation of brittle damage in concrete

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References (31)

Publisher
Wiley
Copyright
Copyright © 1995 John Wiley & Sons, Ltd
ISSN
0029-5981
eISSN
1097-0207
DOI
10.1002/nme.1620382105
Publisher site
See Article on Publisher Site

Abstract

A framework for damage mechanics of brittle solids is presented and exploited in the design and numerical implementation of an anisotropic model for the tensile failure of concrete. The key feature exploited in the analysis is the hypothesis of maximum dissipation, which specifies a unique damage rule for the elastic moduli of the solid once a failure surface is specified. A complete algorithmic treatment of the resulting model is given which renders a useful tool for large‐scale inelastic finite element calculations. A rather simple three‐surface failure model for concrete, containing essentially no adjustable parameters, is shown to produce results in remarkably good agreement with sample experimental data.

Journal

International Journal for Numerical Methods in EngineeringWiley

Published: Nov 15, 1995

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