| Citation: | MAO Wei, WANG Wenzhi, HE Lijun, et al. Modeling and machanical properties of composite bionic suture joint structures[J]. Journal of Beijing University of Aeronautics and Astronautics, 2016, 42(12): 2762-2768. doi: 10.13700/j.bh.1001-5965.2015.0772(in Chinese)
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In this paper, we developed a parametric modeling framework for composite bionic suture joint structures through MATLAB and ABAQUS secondary development based on Python language. It shows the capability in describing the complicated suture joint geometry with different types of hierarchy and automatic generation of finite element mesh for mechanical modeling. Furthermore, interactions between geometric parameters (tooth angle, baseline type, and hierarchy) and structure performance are analyzed. The numerical results show that the bionic suture joint structure has better structural damage tolerance with the presence of a lower tooth angle, a sin curve baseline and a higher hierarchy. Through this work, parametric modeling of composite suture joint structure is realized, and the interaction among mechanical strength, damage mechanism and suture geometries is investigated, which provides meaningful guidelines for the design and optimization of novel high performance composite joint structures.
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