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Waskito
Universitas Negeri Padang
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Comparative static structural assessment of an energy-efficient prototype vehicle chassis using finite element analysis: AISI 1020 steel vs. 6061-T6 aluminum Muhammad Fadil Andira; Wanda Afnison; Waskito Waskito; Delima Yanti Sari
Journal of Engineering Researcher and Lecturer Vol. 4 No. 3 (2025): Regular Issue
Publisher : Researcher and Lecturer Society

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58712/jerel.v4i3.199

Abstract

This study evaluates the static structural performance of a Prototype-class energy-efficient vehicle chassis for the Indonesian Kontes Mobil Hemat Energi (KMHE; Energy-Efficient Car Competition) by comparing two material options, AISI 1020 carbon steel and Al 6061-T6, under a consistent load representation. Three-dimensional chassis models were developed in SolidWorks and assessed using static finite element analysis (FEA). The loading scenario included gravitational body force and two concentrated static loads representing operational conditions: 700 N applied at the driver seat region and 300 N applied at the engine mounting area. A curvature-based meshing strategy was adopted, with element sizes ranging from 1.6 to 8 mm, resulting in approximately 1,700,093 nodes to capture geometric details in joints and curved members. The AISI 1020 chassis produced a maximum von Mises stress of 278.6 MPa concentrated near the engine mounting joint, a maximum total deformation of 2.1 mm in the roll-bar region, and a minimum factor of safety of 1.3. In contrast, the Al 6061-T6 chassis exhibited a lower peak stress of 61 MPa at the rear wheel mounting region, a higher deformation of 3.4 mm at the roll bar, and a factor of safety of 4.5. The findings confirm a trade-off between stiffness and safety margin: steel offers higher stiffness but an insufficient safety margin, while aluminium significantly improves the static safety margin with increased deformation. These results provide design guidance for reinforcing critical regions and enhancing the robustness of competition-ready chassis.
Co-Authors - Primawati Abd Aziz Abdullah, MT, Dr. Rijal Ade Foury Putra Adil Rahmat Kurnia Adisty Akhoma Ummah Adityo Adityo Afdal Luthfi Afif Rahman Riyanda Afriansyah Afriansyah Agariadne Dwinggo Samala Ahmad Shafwan Hadi Ahmad Suyuthi Ahmad Taufik Ajib Jihadal Mahmud Ambiyar, Ambiyar Andre Kurniawan Andri Dermawan Andril Arafat Anna Rasfira Annisa Helmina Aprilla Fortuna Arfan Iswanda Arianto Arianto armizal yanriko Arwizet Arwizet, Arwizet Aulya Chasovy Azwar Indra Bahrul Amin Batubara, Qothrun Nada Ma'ruf Bayu Bayu Billyano Eko Pratama Bima Afrindo Putra Budi Syahri Bulkia Rahim Dani Harmanto Dedy Agustanto Dedy Irfan Delima Yanti Sari Desmiarni Desmiarni Dessy Marlyna Devega, Army Trilidia Dicky Pratama Fernando Diko Antama Dori Yuvenda Dwi Rangga Ariga Edison Edison Efendi, Raimon Efrinaldi Efrinaldi Elfizon Elfizon elida elida Ema Wulansari Enawisnat Enawisnat Eni Elfina Erliza Yubarda Ermiyati Ermiyati Ernawati Ernawati Ernawati Nazar Ernawaty Ernawaty Erwin Candra Fachry Novrianda Fadhilah Fadhilah Fadhilla Azherda Fadhlan Wildy Fadhli Ranuharja Fadia Kalma Lailani Fadlul Amdhi Yul Fahmi Rizal Fahmi Rizal Faisal Gustianto Fajar Fitra Farel Candra Fathi Aulia DZ Fatihaturahmi Fatihaturahmi Febri Prasetya Fenda Lisman Fernando Agung Pradeta Fiki Efendi Firas Tayseer Mohammad Ayasrah Firman Edi Giatman Habi Akbar Hafiz Elmi Hansi Effendi Hardison Hardison Hasan Maksum Hasanuddin WS Hendra Sahputra Batubara Hendra Suheri Henny Yustisia Heru Indra Hukmanul Fikri Ibnu Hafiz Wardhana Ichsan Nasution Ika Parma Dewi Ikhsanul Rizal Indra Irsan Isral Irwan Aferi Irzal Irzal Jamal Dermawan Tanjung Jasman Jedinasrul Jedinasrul Jimmi Zamora Jonni Mardizal Juan Luis Cabanillas García Junaidah Junaidah Junil Adri Kasmita Kasmita Lasyatta Syaifullah Liesye Afriyanti Mansur Mansur Masnaini Alimin Mega Amelia Prihatini Hatta Mubai, Akrimullah Muhammad Abdi Nugraha Muhammad Al Fath Yosfiah Muhammad Anwar Muhammad Aulia Anugrah Muhammad Daffa Dzaky Muhammad Fadil Andira Muhammad Fikhri Aldio Muhammad Nurul Mukhaiyar, Riki Mulianti Mulyadi Mulyadi Murni Astuti Muskhir, Mukhlidi Muttaqin Kholis Ali Nelvi Erizon Niska Ramadani Nizwadi Jalinus Nizwardi Jalinus Nizwardi Jalinus Nofrizal Nofrizal Novendra, Rizki Novi Hendri Adi Nur Kholistiyawatin Nurdin Hendri Panca Eka Paksi Purwanto, Wawan Purwantono Purwantono Putri Nurhalimah Erdi Rahmat Desman Koto Rahmiati Rahmiati Rahmiati Rahmiati Rama, Alzet Refdinal, Refdinal Remon Lapisa Remon Lapisa Rendy Dwi Putra Rendyka Eliadi Resmi Darmi Reynaldy Pasaribu Reza Ramadhan Prabulingga Ridwan A Rifelino Rifelino Rizki Hardian Sakti Rizki Trio Kurnia Putra Rizky Ema Wulansari Rizky Ema Wulansari Rodesri Mulyadi Ronal Watrianthos Rudi Yanto Rudy Anarta Said Thaha Ghafara Sakti, Rizki Hardian Samsir Simatupang, Wakhinuddin Sri Ardiyanti Sri Rizki Putri Primandari Sudirman Sudirman Sukardi, Sukardi Surfa Yondri Syahrul Syahrul Tessy Harita Utami Toto Sugiarto Tze Kiong Tee Vani Permata Sari Wahyu Ivan Pramana Wakhinuddin Wakhinuddin Wakhinuddin Wakhinuddin Wakhinuddin, Wakhinuddin Wanda Afnison Wawab Purwanto Welli Andriani Wici Aan Savitri yahril yahril Yasdinul Huda Yavid Jaya Pradana Yeka Hendriyani Yolli Fernanda Yopi Zekri Jenizah Putra Yopi Zekrri Jenizah Putra Yose Indarta Yosi Nofita Sari Yoszi Mingsih Anaperta Yufrizal Yufrizal Yuliana Yuliana Yuyun Irawati Zainal Abadi Zamrudi Zamrudi