Benefiting from biomimicry through 3D printing to enhance mechanical properties of polymeric structures: Simulation approach

Jadav, K. C., Ismail, S. O. and Oladapo, B. I. (2023) Benefiting from biomimicry through 3D printing to enhance mechanical properties of polymeric structures: Simulation approach. In: Advances in Manufacturing Technology - XXXVII : Proceedings from the 20th International Conference on Manufacturing Research. Advances in Transdisciplinary Engineering . UNSPECIFIED, GBR, 189 - 194.
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Numerous biological structures have intricate compositional arrangements, well-organised pieces and stronger mechanical qualities than the materials that make them up. Therefore, this study focused on enhancing the mechanical characteristics of three-dimensional (3D)-printed acrylonitrile butadiene styrene (ABS) structures. Selected parts/systems of three natural (animal/plant) materials were designed/modelled and analysed to mimic their natural lattice structures (biomimicry), using CATIA V5 and finite element method/Ansys software. The simulation results showed that the tensile strength of the biomimetic-designed beetle increased by 13.63%, the bending strength of the biomimetic lotus stem improved by 2.00 and 19.86% in simple and three-point bending tests, and the compressive strength of biomimetic trabecular bone enhanced by 87.59%, when compared with their conventional structures. Also, the biomimetic design recorded 10.00% higher compressive strength than a fillet design and nearly 64.00% than the repeated pattern. It was evident that biomimetic designs enhanced the mechanical properties of all the 3D-printed ABS structures.


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