Abstract
Based on parameter design language, a program of progressive failure analysis in composite structures is proposed. In this program, the relationship between macro- and micro-mechanics is established and the macro stress distribution of the composite structure is calculated by commercial finite element software. According to the macro-stress, the damaged point is found and the micro-stress distribution of representative volume element is calculated by finite-volume direct averaging micromechanics (FVDAM). Compared with the results calculated by failure criterion based on macro-stress field (the maximum stress criteria and Hashin criteria) and micro-stress field (Huang model), it is proven that the failure analysis based on macro- and micro-mechanics model is feasible and efficient.
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Foundation item: Project(51075204) supported by the National Natural Science Foundation of China; Projects(2012ZB52026, 2014ZB52024) supported by the Aeronautical Science Foundation of China; Project(NS2014024) supported by the Fundamental Research Funds for the Central Universities, China
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Sun, Zg., Ruan, Sm., Chen, L. et al. Progressive failure analysis of composite structure based on micro- and macro-mechanics models. J. Cent. South Univ. 22, 2980–2988 (2015). https://doi.org/10.1007/s11771-015-2834-x
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DOI: https://doi.org/10.1007/s11771-015-2834-x