Velcro was developed to mimic burdock seeds 6. There are several studies on biomimetics. Otto Schmitt proposed “biomimetics” for the first time to mimic the signal processing of a neural network and develop an electric circuit for eliminating noise and converting it into a rectangular wave called “Schmitt trigger” 4, 5. The results show that the solution obtained through two-objective optimization with stress and cutting force was the closest to the actual radula shape.īiomimetics mimic the processes and structures that living organisms adopt to survive in the environment for various product designs 1, 2, 3. We compared the solutions when optimizing the radula shape using objective functions of each combination of stress, cutting force, abrasion, or volume. We reproduced the natural selection using multi-objective genetic algorithm (MOGA). We measured the radula of Euhadra peliomphala by using a microscope and modeled the grinding/cutting force using the finite element analysis (FEA). Clarifying the important design factors would help designers in solving several problems simultaneously in order to adapt to complicated and multi-functionalized design mechanisms. This paper presents the design factors that optimize the radula shape of Euhadra peliomphala. It has not been clarified how a given shape is attained through natural selection. However, most biomimetics only mimic the features of living organisms. Biomimetics present useful ideas for various product designs.
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