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All Journal Prosiding Seminar Nasional Sains Dan Teknologi Fakultas Teknik Rekayasa Mesin Journal of Environmental Engineering and Sustainable Technology ROTOR: JURNAL ILMIAH TEKNIK MESIN Journal of Energy, Mechanical, Material and Manufacturing Engineering Conference SENATIK STT Adisutjipto Yogyakarta International Journal of Mechanical Engineering Technologies and Applications (MECHTA) Mechanical Engineering for Society and Industry Proceedings Series on Physical & Formal Sciences Automotive Experiences Dulang: Jurnal Pengabdian Kepada Masyarakat GMPI Conference Series
Anindito Purnowidodo
Staf Pengajar Jurusan Teknik Mesin Universitas Brawijaya Malang
Aerospace Engineering Humanities Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : Automotive Experiences

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Effect of Tube Thickness Configuration of Two Segments Circular Crash Box on Its Crashworthiness Performance Hermawan, Muhammad Vendy; Choiron, Moch. Agus; Purnowidodo, Anindito; Winarto, Winarto
Automotive Experiences Vol 8 No 1 (2025)
Publisher : Automotive Laboratory of Universitas Muhammadiyah Magelang in collaboration with Association of Indonesian Vocational Educators (AIVE)

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.31603/ae.13170

Abstract

This study aims to investigate the effect of tube configuration with different bottom fixation components on the energy absorption of a two-segment crash box. The circular tube thickness configuration has two thickness levels, half of the length of the tube has thicker walls (t2), and the other half has thinner walls (t1). The t1 values ​​are 1, 1.5, 2 and 2.5 mm while t2 is constant, 3 mm. Finite element analysis using ANSYS WORKBENCH was performed for the axial load model. The bottom fixation component uses Cutting Die Model (CDM) and Flat Model (FM). Sixteen crash box models were run to provide the effect of two tube thickness configurations and CDM-FM fixation components. The material of the circular tubes is Aluminum 6063 with a Bilinear Hardening Model assumption. Crashworthiness performance indicators were observed based on the values ​​of Energy Absorber (EA), Specific Energy Absorber (SEA), initial peak force (Fmax), and Crash Force Efficiency (CFE). The results show that the CDM model has the lowest Fmax value, due to the use of the die, which stimulates easier initial folding in the tube end area. The CDM model also has better SEA and CFE values. According to the results obtained from computer simulations, the CDM-t2t1 model with t1=1mm exhibited the highest Specific Energy Absorption (SEA) of 67.93 kJ. On the other hand, this same crash box model provided the smallest Fmax of 205.88 kN and the highest CFE value of 0.69. From these results, it can be concluded that this model provides the best crashworthiness performance.
Co-Authors A.A. Ketut Agung Cahyawan W Achfas Zacoeb Agung Sugeng Widodo Agus Setiawan Agus Suprapto Akhmad Ali Imron Amros Alfonsius Tuati, Amros Alfonsius Andika H P Ari Wahjudi Ariadi, Yudhi Arief Rizki Fadhillah Arthur Yanny Leiwakabessy Asroni Asroni Asroni, Asroni Avita Ayu Permanasari Bakri Bakri Bakri Bakri Bayu Agung Wicaksono Choiron, M. Agus Choiron, Mochamad Agus Choiron, Mochammad Agus Djarot B. Darmadi Djarot B. Darmadi, Djarot B. Eko Hendry Suyono Fauzi, Katanda Fajar Febi Rahmadianto Fikrul Akbar Alamsyah Gayuh Utami Dewi, Francisca Gembong Edhi Setyawan Hartanto, David Satya Helmy Purwanto Hermawan, Muhammad Vendy Hery Widijanto Hilmi Iman Firmansyah Ida, Zumrotul Imam Kusyairi Imam Kusyairi, Imam Jufra Daud Johanis Abanat Khairul Anam Kurnianingtyas, Diva Moch. Agus Choiron Moch. Agus Choiron Moch. Agus Choiron Muhammad Azmi, Muhammad Muhammad Fakhruddin Muhammad Sadat Hamzah Muhammad Syaiful Fadly Muhammad Syaiful Fadly Naafila, Amira Nasmi Herlina Sari Nurkholis Hamidi Putu Hadi Setyarini Raviko, Johansyah Redi Bintarto, Redi Rennie, Allan E.W. Rivai, Ahmad Riza Prawira Rudianto Raharjo Rudy Soenoko Rudy Soenoko Sari, Martina Puspita Setiyabudi, Sofyan Arief Setyabudi, Sofyan Arief Setyabudi, Sofyan Arif Slamet Wahyudi Sofyan Arief Sonief, Achmad As’ad Sri Chandrabakty Sugiarto S Suteja Suteja, Suteja Syahrizal Syahrizal Tamara F. Utama Tawaf, Nanang Teguh Dwi Widodo Wahyono Suprapto Wibowo, Farit Hendro Wijil Pambudi Winarto Winarto Wirawan, Willy Artha Wiwik Handayani Yudy Surya Irawan