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Hamdan Akbar Notonegoro
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flywheel@untirta.ac.id
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Department of Mechanical Engineering, Faculty of Engineering, Universitas Sultan Ageng Tirtayasa Jl. Jend. Sudirman Km. 3 Cilegon,
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FLYWHEEL : Jurnal Teknik Mesin Untirta
Published by Universitas Sultan Ageng Tirtayasa
ISSN : 24077852     EISSN : 25977083     DOI : https://doi.org/10.36055/fwl.v0i0.
Core Subject : Science, Engineering,
Automotive Engineering Chemical Engineering, Chemistry & Bioengineering Control & Systems Engineering Energy Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Transportation
The journal publishes original and (mini)review articles covering the concepts of materials science, mechanics, kinematics, thermodynamics, energy and environment, mechatronics and robotics, fluid mechanics, tribology, cybernetics, industrial engineering and structural analysis. The journal follows new trends and progress proven practice in the mechanical engineering and also in the closely related sciences as are electrical, civil and process engineering, medicine, microbiology, ecology, agriculture, transport systems, aviation, and others, thus creating a unique forum for interdisciplinary or multidisciplinary dialogue.
Arjuna Subject : Teknik (semua kategori) - Teknik Mesin
Articles 233 Documents
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Prediction of The Surface roughening in Austenitic Stainless Steel Thin Foil With Various Grain Based on Heat Treatment Process for 5.0 Technology Application Aziz, Abdul; Hasanah, Indah Uswatun; Raharjo, Rafi Nurdwi
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 12, No 1 (2026): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fwl.v12i1.39901

Abstract

Prediction of The Surface roughening in Austenitic Stainless Steel Thin Foil With Various Grain Based on Heat Treatment Process for 5.0 Technology Application
Simulation Analysis of an Ankle Prosthesis Design Using Shock Absorbers to Support Prayer Movements Winarno, Agil; Suyitno, Suyitno; Mahendra, Raka
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 12, No 1 (2026): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fwl.v12i1.36328

Abstract

Amputation of the lower limb causes limitations in performing daily activities, including praying (salat), which requires dynamic movements such as standing, bowing, prostrating, and sitting. This study aims to design and manufacture an ankle-foot prosthesis prototype that allows users to perform salat movements normally without removing the prosthesis. The design process was carried out using Computer-Aided Design (CAD) software to create a 3D model and analyze structural strength through Finite Element Analysis (FEA). The prosthesis was made from aluminum A356 material and fabricated using metal casting and machining methods. The simulation results showed that the maximum stress occurred at the upper front part of the ankle, with a value of 15.14 MPa, which is still below the material’s strength limit, indicating that the design is safe. The prototype produced was consistent with the design and capable of supporting dorsiflexion up to 20° and plantarflexion up to 50°, with a shock absorber mechanism that operates smoothly without jerks. Therefore, the designed ankle-foot prosthesis can provide comfort and flexibility for people with disabilities when performing salat.
Supply Chain Management for Pressure Vessel Fabrication Based on Design Pressure and Capacity Specifications Darmawan, Didit; Suharyono, Dedik
FLYWHEEL : Jurnal Teknik Mesin Untirta Vol 12, No 1 (2026): April
Publisher : Universitas Sultan Ageng Tirtayasa

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.62870/fwl.v12i1.39756

Abstract

Pressure vessel fabrication requires precise material specifications derived from design pressure and capacity. These specifications guide procurement planning, supplier selection, and inventory management. Material quantity calculation must consider yield factors and nesting efficiency. Supplier selection employs multi criteria weighting with quality as primary requirement due to safety risks. Inventory management faces challenges from large material dimensions, corrosion risks, and high holding costs. Just in time or consignment strategies may suit reliable suppliers. Material traceability systems and complete documentation are mandatory for regulatory certification. Collaboration with suppliers during design phase reduces custom dimension orders. Technology adoption including ERP and blockchain improves supply chain visibility. Performance metrics such as perfect order fulfillment enable continuous improvement.

Page 24 of 24 | Total Record : 233

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