Heterogeneous anisotropic complex structure gradual model and constitutive relation |
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| Authors: | Li Yong Song Jian Zhang Zhi-Min |
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| Affiliation: | State Key Laboratory of Automotive Safety and Energy, Tsinghua University, Beijing 100084, China; Center of Physics, Beijing University of Aeronautics and Astronautics, Beijing 100083, China |
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| Abstract: | Four new gradually delaminate models of the three-dimensional macro-/mesoscopic structure and delamination of the heterogeneous anisotropic composite (HAC) are set up by conducting research into its structure and performance. A general theory, which demonstrates the three-dimensional constitutive relation of the macro-/mesoscopic performance of this structure is further developed. The macroscopic expression of HAC is presented in terms of a Tanigawa delaminate homogeneous equivalent approach, the mesoscopic problems are analysed utilizing Eshelby－Mori－Tanaka theory, with the introduction of the representative volume elements of monolayer single unit cell and interlaminar double unit cells. According to the gradual continuity of the structure as a whole, great attention is given to the modelling and research of the interlaminar macroscopic and mesoscopic problems of HAC structure. Comparison with the existing solutions is made through calculation of typical cases. |
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| Keywords: | HAC constitutive relation mesoscopic Tanigawa approach |
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