{"title":"Refined modelling of thin-walled beam, plate and joint for automobile frame","authors":"Jiantao Bai, Wenjie Zuo","doi":"10.1504/ijvd.2023.133258","DOIUrl":null,"url":null,"abstract":"At the conceptual design stage, the simplified frame is extensively applied in the body-in-white (BIW) structure to rapidly calculate its performances. However, it is difficult to acquire an accurate simplified frame of the BIW structure for the calculation of the bending stiffness, torsional stiffness and frequencies. Therefore, this paper proposes a simplified modeling method by using the thin-walled beams (TWBs) with complex sections, semi-rigid elements and cross beam structures. Compared with the traditional modelling method, the TWBs contain more types of the complex sections, the semi-rigid elements are used to describe various deformations, and the plate structure is replaced by using the cross beam structure to improve the accuracy of the simplified frame. An engineering example demonstrates that the simplified frame can accelerate the conceptual design of the BIW structure.","PeriodicalId":54938,"journal":{"name":"International Journal of Vehicle Design","volume":null,"pages":null},"PeriodicalIF":0.6000,"publicationDate":"2023-01-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":null,"platform":"Semanticscholar","paperid":null,"PeriodicalName":"International Journal of Vehicle Design","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1504/ijvd.2023.133258","RegionNum":4,"RegionCategory":"工程技术","ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"Q4","JCRName":"ENGINEERING, MECHANICAL","Score":null,"Total":0}
引用次数: 0
Abstract
At the conceptual design stage, the simplified frame is extensively applied in the body-in-white (BIW) structure to rapidly calculate its performances. However, it is difficult to acquire an accurate simplified frame of the BIW structure for the calculation of the bending stiffness, torsional stiffness and frequencies. Therefore, this paper proposes a simplified modeling method by using the thin-walled beams (TWBs) with complex sections, semi-rigid elements and cross beam structures. Compared with the traditional modelling method, the TWBs contain more types of the complex sections, the semi-rigid elements are used to describe various deformations, and the plate structure is replaced by using the cross beam structure to improve the accuracy of the simplified frame. An engineering example demonstrates that the simplified frame can accelerate the conceptual design of the BIW structure.
期刊介绍：
IJVD, the journal of vehicle engineering, automotive technology and components, has been established for over a quarter of a century as an international authoritative reference in the field. It publishes the Proceedings of the International Association for Vehicle Design, which is an independent, non-profit-making learned society that exists to develop, promote and coordinate the science and practice of vehicle design and safety.
Topics covered include
Vehicle engineering design
Automotive technology
R&D of all types of self-propelled vehicles
R&D of vehicle components
Interface between aesthetics and engineering
Integration of vehicle and components design into the development of complete vehicle systems
Social and environmental impacts of vehicle design
Energy
Safety.
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