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All Journal Jurnal Dimensi SIGMA TEKNIKA Journal of Ocean, Mechanical and Aerospace -science and engineering- (JOMAse) Indonesian Journal of Electrical Engineering and Renewable Energy (IJEERE) METALOGRAM
Fardin Hasibuan
UNIVERSITAS RIAU KEPULAUAN
Aerospace Engineering Arts Humanities Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Decision Sciences, Operations Research & Management Economics, Econometrics & Finance Education Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Mechanical Engineering

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The Effect Of Vibration On User Comfort In Motor Vehicles pratama, yuki alvandi; munif, moh. abdul; delpero, M arif; siallagan, rama roki; Hasibuan, Fardin
METALOGRAM Metalogram Vol.02 No.01 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7972

Abstract

Vibration is an unavoidable physical phenomenon in motor vehicle operation and is a dominant factor affecting user comfort. Excessive and prolonged exposure to vibration can trigger various negative responses in humans, ranging from fatigue and physiological discomfort to long-term health risks such as musculoskeletal and neurological disorders. This paper presents a comprehensive review of the effects of vibration on the comfort of motor vehicle users. The discussion includes the identification of vibration sources (internal and external), the mechanisms of vibration transmission through the vehicle structure, and the biomechanical response of the human body to whole-body vibration (WBV). In addition, this paper reviews vibration measurement and analysis methods based on international standards, analyzes the physiological and psychological impacts of vibration, and discusses vibration mitigation strategies applied in modern vehicle design, including passive, semi-active, and active suspension systems, as well as ergonomic seat design. Case studies of mitigation technology applications are also included to provide a practical overview. Finally, this paper identifies existing challenges and future research directions in an effort to improve vehicle user comfort and well-being.
Experimental Study of Mechanical Vibrations in Vehicle Suspension Systems Khoeriyah, Nafisatul Khoeriyah; barimbing, Ivan mangisara; Andreas silalahi, Jhon Nico; Saputra, Ariel; Hasibuan, Fardin; Irsyam, Muhammad
METALOGRAM Metalogram Vol.02 No.01 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7809

Abstract

This study reviews and analyzes vertical vibrations in the suspension system of passenger vehicles, focusing on the McPherson strut configuration. By synthesizing findings from previous experimental research employing vibration test benches like the UKA-3.5E, the dynamic response of suspensions under varying frequencies and tire inflation pressures is examined. Results indicate that tire pressure significantly influences vibration amplitude and duration, aligning with theories that model tire stiffness as a parallel spring element affecting overall suspension dynamics. The analysis also highlights the effectiveness of multi-sensor approaches, including proximity sensors and load cells, in capturing real-time vibrational behavior. Understanding these relationships is vital for optimizing suspension performance and developing strategies to reduce vibrations, thereby improving vehicle stability, occupant comfort, and safety.
Analysis of Resonance Characteristics of Multi-storey Buildings Based on Microtremor Measurements Derrio, Muhammad; Pandi, Soe; Ezer Sihombing, Aser Eben; Tarigan, Joy Adithia; Hasibuan, Fardin
METALOGRAM Metalogram Vol.02 No.01 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7814

Abstract

The diverse functions of buildings today require designs that minimize potential damage, particularly from natural disasters. Earthquakes are one of the natural disasters that pose a significant threat to buildings. For example, the earthquake that occurred in Yogyakarta in 2023 caused damage to various building facilities. This study aims to identify the vulnerability level of buildings using microtremor data to obtain the natural frequency value of the building (fb), building resonance index (R), and building vulnerability index (Kb). This research has been carried out in multi-storey buildings by measuring natural frequencies on the building and its basic land. The recorded vibration data were analyzed with the H / V technique to get its natural frequency value. The measurement results of building floor vibrations using the GPL-6A3P accelerometer show that the natural frequency
Optimizing Material Selection and Manufacturing Processes For Enhanced Drill Bit Performance Syaputra, Robby Yandri; Barimbing, Ivan Mangisara; Syaputra, Muhammad Lyan; Borutnaban, Bernath Matheus; hasibuan, fardin; Irsyam, Muhammadd
METALOGRAM Metalogram Vol.02 No.01 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7432

Abstract

Drill bit performance is significantly influenced by material selection and manufacturing processes. This study optimizes material choices and advanced manufacturing techniques to enhance drill bit performance. By evaluating mechanical properties, wear resistance, and thermal stability of various materials, the research identifies the most suitable options for specific drilling conditions. Additionally, the impact of advanced manufacturing methods, such as additive manufacturing and precision machining, is explored to improve accuracy, durability, and efficiency. The results demonstrate improvements in drill bit performance, including reduced wear and extended operational lifespan. This research contributes to the development of more efficient and durable drill bits.
Analysis of Weld Defects and Their Solutions in Manual Welding of Carbon Steel Albaru, Agung; Syaputra, Muhammad Lyan; Balqis, Dinda; Afriandi, Irvan; Hasibuan, Fardin
METALOGRAM Metalogram Vol.02 No.01 (December,2025)
Publisher : Universitas Riau Kepulauan

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.33373/mtlg.v2i1.7978

Abstract

Welding is one of the most commonly used metal joining processes in the manufacturing and construction industries. However, this process often results in defects in the weld joint, especially in manual welding of carbon steel, which can affect the quality and strength of the joint. This study aims to analyze the types of welding defects that occur in manual welding of carbon steel, identify their main causes, and provide technical solutions to minimize such defects. The methods used include visual inspection, penetrant testing (PT), and macrostructure examination of the welded joints. The results show that the most common defects found are porosity, undercut, incomplete fusion, and slag inclusion. The primary causes of these defects include improper welding parameter settings, inadequate cleanliness of the metal surface, and the skill level of the operator. As solutions, it is recommended to conduct regular operator training, adjust current and voltage according to the type of electrode used, and ensure proper surface preparation before welding. This study is expected to serve as a reference for industry practitioners in improving the quality of carbon steel weld joints
Co-Authors Adlinizar, Muhammad Fahrell Akramunnas, Bastul Wajhi Albaru, Agung aminuddin, aminuddin aminuddin Andreas silalahi, Jhon Nico Arif Rahman Hakim Arif Rahman Hakim Ariyanto, Nugroho Pratomo Balqis, Dinda barimbing, Ivan mangisara Borutnaban, Bernath Matheus Delpero, M Arief delpero, M arif delpero, muhammad arif Derrio, Muhammad Ditoswar, Arya Mahadika Ezer Sihombing, Aser Eben Hafiz, Abdul Irsyam, Muhammadd Irvan Afriandi Khoeriyah, Nafisatul Khoeriyah Kirana, Dois Dita Wahyu Kusuma, Bagus Liston, Sony Manullang, Togu Juliaman Muhammad Irsyam, Muhammad munif, moh. abdul Nulhakim, Buyung Pandi, Soe pratama, yuki alvandi Putra, Ahmadi Bintan Putra, Arvian Enggal Putra, Deny Jaya Putra, Wendri Ratuloli, Jumiati Rizki, Muhammad Fachri Saputra, Ariel Sena, Boni siallagan, rama roki Sianipar, Stiven Ewin Sihombing, Aser Eben Ezer Sihotang, Angles Sitio, Joni Mart Syaputra, Muhammad Lyan Syaputra, Robby Yandri Tarigan, Joy Adithia Tri Jaya Widagdo Wajhi Akramunnas, Bastul Wibisono, Muhammad Umar Widagdo, Trijaya Yondra, Asraf Aulia Yosua Luis Vigo Sitompul, Yosua Luis Vigo Yulianta, Eka Chandra Yunasri, Yunasri Yusuf, Mohammad Syaifullah