Determination of the laminate strains using discrete damage mechanics

Clicks: 166
ID: 36890
2019
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Abstract
In this paper discrete damage mechanics (DDM) is used to predict inter-laminar transverse and shear damage initiation and evolution in terms of the fracture toughness of the laminate. The finite element method (FEM) is one of the most widely and most popular numerical methods for analyzing composite structures, therefore ANSYS commercial software is used for analysis of layered plate composite structure reinforced with long unidirectional fibers with Carbon/Epoxy material. Because ANSYS does not have a built-in capability for calculating crack density, we have to use plugin. A methodology for determination of the fracture toughness is based on fitting DDM model and these data are obtained from literature. Also, prediction of modulus vs. applied strain is contrasted with ply discount results and the effect of in situ correction of strength is highlighted. Evaluation of matrix cracking detected in lamina has been solved using return mapping algorithm.
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milan2019determinationmatec Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Milan, Žmindák;Michal, Kaco;Pavol, Novák;Leszek, Radziszewski;Josef, Soukup;
Journal matec web of conferences
Year 2019
DOI
DOI not found
URL
https://doi.org/10.1051/matecconf/201925406005
Keywords Keywords not found

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