Impact Behaviour Of Bio-Inspired Sandwich Beam With Varying Core Geometries

Impact resistance efficiencies of the bio-inspired sandwich beam (BHSB) with varying solid hot melt adhesive (HMA) hyoid core thicknesses and leg spans were examined under the impact energy of 7.28J at the mid-span of the sandwich beam. The sandwich beam models consist of dual-core comprising sol...

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第一著者: Siaw, Yang Yew
フォーマット: Final Year Project Report
言語:English
English
出版事項: Universiti Malaysia Sarawak, (UNIMAS) 2020
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オンライン・アクセス:http://ir.unimas.my/id/eprint/37088/1/Siaw%20Yang%20%2824pgs%29.pdf
http://ir.unimas.my/id/eprint/37088/4/Siaw%20Yang%20Yew%20ft.pdf
http://ir.unimas.my/id/eprint/37088/
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要約:Impact resistance efficiencies of the bio-inspired sandwich beam (BHSB) with varying solid hot melt adhesive (HMA) hyoid core thicknesses and leg spans were examined under the impact energy of 7.28J at the mid-span of the sandwich beam. The sandwich beam models consist of dual-core comprising solid hot melt adhesive (HMA) and aluminum honeycomb cores sandwiched between the top and bottom carbon fiber reinforced plastic (CFRP) skins. The HMA core was designed with an arch shape. Considered HMA hyoid thicknesses include 3 mm, 4.574 mm, and 10 mm with various leg spans of 10 mm, 25 mm, and 35 mm. The finite element software, ABAQUS, was used to construct the BHSB models in examining the impact behaviors of these models. Assessed performances include displacemtmt-time,. velocity-time, acceleration-time, impact energy-time, and stress contour distribution. Then, the impact resistance efficiency index was used to determine the overall performance of all the BHSB models. In conclusion, the BHSB with HMA hyoid thickness of 4.574 mm and a hyoid leg span of to mm is the most superior in terms of impact resistance efficiency index among all the proposed sandwich beam models as it has the highest impact resistance efficiency index of 25.53.