Crashworthiness and comparative analysis of polygonal single and bi-tubular structures under axial loading – experiments and FE modelling

• Autorzy: Kannan I. Vimal , Rajkumar R.

Identyfikatory

DOI

10.15632/jtam-pl/128901

• Języki publikacji: EN

Abstrakty

EN

This article aims to present a report of experimental and numerical investigations on crashworthiness characteristics of single and multi-cell/bi-tubular structures. Novel multi--cell/bi-tubular structures are proposed in order to improve the crashworthiness performance, LS-DYNA FE software is applied for the modelling of axial crashing behaviour to validate with experimental results and a good agreement is observed. The KPIs are used to compare various structures and to determine the best performing ones. The investigations reveal that the HMC4 has significantly obvious effects on the structural crashworthiness and improved 515% energy absorption efficiency. Afterward, a parametric study has been carried out for the best energy absorber.

Słowa kluczowe

EN

crashworthiness; thin-walled structures; single and multi-cell tubular structures; energy absorption; key performance indicators

• Wydawca: Polskie Towarzystwo Mechaniki Teoretycznej i Stosowanej
• Czasopismo: Journal of Theoretical and Applied Mechanics
• Rocznik: 2021
• Tom: Vol. 59 nr 1
• Strony: 81--94
• Opis fizyczny: Bibliogr. 25 poz., rys., tab.

Twórcy

autor

Kannan I. Vimal

• SSM Institute of Engineering and Technology, Faculty of Mechanical Engineering, Dindigul, India

autor

Rajkumar R.

• Mepco Schlenk Engineering College, Faculty of Mechanical Engineering, Sivakasi, India

Bibliografia

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Uwagi

„Opracowanie rekordu ze środków MNiSW, umowa Nr 461252 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2021).”