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All Journal JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI International Journal of Engineering Continuity
Hindroyuwono, Rinto
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Automotive Engineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Electrical & Electronics Engineering Engineering Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering

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Stress Analysis and Safety Factors of Hand-rail Hoppers Based on the FEA Method Hindroyuwono, Rinto; Marvianto, Rachmat Anggi; Anjani, Siti Sarah; Pamungkas, Muhammad Bintang; Arafat, Yunus Bakhtiar
International Journal of Engineering Continuity Vol. 3 No. 2 (2024): ijec
Publisher : Sultan Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58291/ijec.v3i2.318

Abstract

Ensuring handrails structural integrity and safety in industrial hopper systems is crucial for worker protection and operational efficiency. This study investigates handrail systems design, stress analysis, and safety factors using Finite Element Analysis (FEA) via SolidWorks. Observations of existing systems revealed deficiencies such as improper welding techniques and unstable mounting, which were addressed through an improved modular handrail design that incorporated standardized dimensions, full-welded joints, and clamped baseplates. The methodology included a comprehensive simulation of the static loads, stress distributions, and deformation patterns validated through physical load testing. Results demonstrated significant improvements, with a reduction in the maximum stress by 25% and deformation by 40%, yielding a safety factor of 1.85. The findings confirm compliance with the industrial safety standards and highlight the robustness of the proposed design. This research contributes to advancing workplace safety through a replicable framework that combines simulation and empirical validation, offering broader applicability to safety-critical industrial components.
Desain dan Simulasi Silincer Berbahan Rockwool untuk Reduksi Kebisingan Roots Blower Amirin; Rioma, Medy; Marvianto, Rachmat Anggi; Hindroyuwono, Rinto; Almaida, Eliev Fajar; Arafat, Yunus Bakhtiar
Jurnal Permadi : Perancangan, Manufaktur, Material dan Energi Vol 7 No 02 (2025): JURNAL PERMADI: PERANCANGAN, MANUFAKTUR, MATERIAL DAN ENERGI
Publisher : Universitas Nusa Putra

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.52005/permadi.v7i02.208

Abstract

Kebisingan yang dihasilkan oleh sistem roots blower dalam aplikasi industri sering kali mencapai tingkat tekanan suara tinggi (120–135 dB), yang dapat mengganggu kenyamanan dan berpotensi menyebabkan gangguan kesehatan. Permasalahan utama terletak pada keterbatasan performa silencer konvensional dalam meredam kebisingan, serta kurangnya pendekatan desain yang efisien dan ekonomis melalui simulasi numerik. Studi terdahulu menunjukkan bahwa pemanfaatan material berpori seperti Rockwool dan pendekatan berbasis Finite Element Method (FEM) dapat meningkatkan performa akustik silencer, namun sebagian besar aplikasi masih terbatas pada sektor otomotif dan HVAC. Penelitian ini bertujuan untuk menganalisis dan membandingkan performa akustik dua model silencer roots blower dengan model eksisting berbahan SUS 304 dan model usulan yang mengombinasikan SUS 304 dengan lapisan Rockwool, melalui simulasi numerik menggunakan perangkat lunak COMSOL Multiphysics versi 6. Metode penelitian meliputi perancangan geometri, penerapan properti material, pengaturan domain akustik, pembuatan mesh berbasis physics-controlled, dan simulasi dalam domain frekuensi menggunakan modul Pressure Acoustics dan Poroacoustics. Hasil simulasi menunjukkan bahwa model silencer usulan mampu mereduksi tingkat kebisingan secara signifikan, dengan penurunan Sound Pressure Level (SPL) dari 120 dB menjadi 80 dB di outlet, atau sekitar 40% lebih rendah dibandingkan model eksisting. Efektivitas ini disebabkan oleh kombinasi desain geometri yang lebih kompleks dan kemampuan absorpsi tinggi dari Rockwool. Simulasi juga memberikan visualisasi distribusi tekanan suara secara detail yang mendukung evaluasi performa desain. Kesimpulannya, pendekatan simulasi berbasis COMSOL Multiphysics efektif untuk mendukung pengembangan silencer dengan performa akustik yang lebih baik, efisien, dan aplikatif dalam lingkungan pendidikan vokasi serta industri lokal.
Static Loading Simulation on Temporary Platform and Ladder Absorbent Chamber Design Hindroyuwono, Rinto; Marvianto, Rachmat Anggi; Almaida, Eliev Fajar; Arafat, Yunus Bakhtiar
International Journal of Engineering Continuity Vol. 3 No. 1 (2024): ijec
Publisher : Sultan Publisher

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.58291/ijec.v3i1.247

Abstract

This study utilizes SolidWorks software to thoroughly examine the structural layout and static load simulation of a temporary platform and ladder in an adsorbent chamber. SolidWorks, a computer-aided design (CAD) and computer-aided engineering (CAE) software, offers robust tools for 3D modeling, simulation, and analysis, making it ideal for this type of structural assessment. Finite element analysis (FEA), a simulation model within SolidWorks, is employed to determine stress distribution and safety factors. The results demonstrate the platform's maximum stress at 198.65 MPa, below the yield strength of ASTM A36 Steel, leading to a safety factor of 1.3. These findings validate the design's safety and reliability for industrial use.
Co-Authors Almaida, Eliev Fajar Amirin Anjani, Siti Sarah Marvianto, Rachmat Anggi Medy Rioma, Medy Pamungkas, Muhammad Bintang Yunus Bakhtiar Arafat