Experimental and numerical investigation on the multi-optimization of reinforcing the side members of the vehicle structure

• Autorzy: Zahedan Nima , Ahmadi Hamed , Liaghat Gholam Hossein

Identyfikatory

DOI

10.1007/s43452-021-00351-y

• Języki publikacji: EN

Abstrakty

EN

The aim of this study is to investigate the improvement in the strength of a top-hat profile hollow-section beam used in a vehicle structure by attaching different shapes of internal reinforcements. The base structure of the beam was first considered as a hat-shape structure which was jointed to a flat plate using spot-welds. Three types of sheet metal reinforcements were formed and attached inside the beam’s structure. Then, they were tested experimentally under low-velocity lateral impact. Also, a numerical simulation is being developed using LS-DYNA explicit code and validated using experimental data. Valid numerical configuration is used to conduct an optimization study on cross-sectional shape of the internal reinforcing component. Optimizations are carried out using single- and multi-objective methods based on Genetic Algorithm approach and the suggested optimum solutions are compared with experimental results. Moreover, to discuss the feasibility of applied reinforcements on side section of a vehicle’s body-in-white, a realistic side-pole crash test is simulated using a validated vehicle model and performance of improved chassis is compared with basic model and results are presented, discussed and commented upon.

Słowa kluczowe

EN

internal reinforcement; top-hat-section beam; low-velocity impact; LS-DYNA; multi-objective optimization; side crash test

PL

test zderzeniowy pojazdów; optymalizacja wielocelowa; wewnętrzne wzmocnienie

• Wydawca: Springer ; Wrocław University of Science and Technology
• Czasopismo: Archives of Civil and Mechanical Engineering
• Rocznik: 2022
• Tom: Vol. 22, no. 1
• Strony: art. no. e25, 2022
• Opis fizyczny: Bibliogr. 46 poz., rys., tab., wykr.

Twórcy

autor

Zahedan Nima

• Faculty of Mechanical Engineering, Tarbiat Modares University, Jalal Highway, Tehran, Iran

autor

Ahmadi Hamed

• Faculty of Mechanical Engineering, Tarbiat Modares University, Jalal Highway, Tehran, Iran

autor

Liaghat Gholam Hossein

• Faculty of Mechanical Engineering, Tarbiat Modares University, Jalal Highway, Tehran, Iran
• School of Mechanical and Aerospace Engineering, Kingston University, London, UK

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MEiN, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2022-2023)