دوره 14، شماره 1 - ( 1-1403 )
جلد 14 شماره 1 صفحات 4352-4327 |
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Shirzadifar M, Marzbanrad J. Improving Structural Failure of Bus Roof Panel Stiffened by Novel Multi-layered Semi-circular Corrugated Woven Carbon Fiber Reinforced Polymer (CFRP) plates. ASE 2024; 14 (1) :4327-4352
URL: http://www.iust.ac.ir/ijae/article-1-668-fa.html
URL: http://www.iust.ac.ir/ijae/article-1-668-fa.html
Improving Structural Failure of Bus Roof Panel Stiffened by Novel Multi-layered Semi-circular Corrugated Woven Carbon Fiber Reinforced Polymer (CFRP) plates. Automotive Science and Engineering. 1403; 14 (1) :4327-4352
چکیده: (3356 مشاهده)
The corrugated composite plates have wide application to improve the energy absorption and failure behavior of panel structures. The roof panel of the bus could benefit from the use of these structures to reduce impact failures in rollover accidents. The aim of this paper is to design a new configuration of bus roof panels stiffened with multi-layer semi-circular corrugated CFRP plates to minimize structure failure during rollover accidents. An analytical failure equation of Tsai-Hill index for the new proposed panel subjected to dynamic impact loading has been derived. The failure equation was validated using FEM methods and digital image correlation impact tests. According to the roll over impact situation, the multi-layered semi-circular corrugated woven CFRP roof panel displays a positive failure behavior of 89%.
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