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All Journal Civil Engineering Forum Teknik Sipil Inersia : Jurnal Teknik Sipil dan Arsitektur MEDIA KOMUNIKASI TEKNIK SIPIL Teknik Sipil dan Arsitektur Jurnal Teknik Sipil Jurnal HPJI (Himpunan Pengembangan Jalan Indonesia) Semesta Teknika Teknisia International Conference on Coastal and Delta Areas Jurnal Rekayasa Sipil Journal of the Civil Engineering Forum Wikrama Parahita : Jurnal Pengabdian Masyarakat Civil Engineering Dimension BENTANG : Jurnal Teoritis dan Terapan Bidang Rekayasa Sipil Astonjadro Jurnal Teknik Sipil dan Teknologi Konstruksi Jurnal Teknik Sipil dan Arsitektur Journal of the Civil Engineering Forum Prosiding Seminar Nasional Teknik Sipil UMS
Andreas Triwiyono
Departemen Teknik Sipil Dan Lingkungan, Universitas Gadjah Mada, Yogyakarta
Civil Engineering, Building, Construction & Architecture Computer Science & IT Decision Sciences, Operations Research & Management Earth & Planetary Sciences Economics, Econometrics & Finance Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Social Sciences Transportation Other

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Dynamic Response of Bridge Decks to Steady State Wind Loads: A CFD Approach Supriyadi, Bambang; Triwiyono, Andreas; Farhan, Muhamad
ASTONJADRO Vol. 15 No. 1 (2026): ASTONJADRO
Publisher : Universitas Ibn Khaldun Bogor

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.32832/astonjadro.v15i1.19421

Abstract

Indonesia, as an archipelago nation located on the equator, is affected by alternating Asian and Australian monsoon systems throughout the year. The east monsoon spans from April to September, while the west monsoon occurs from October to March. In Samarinda, prevailing southern winds lead to significant fluctuations in speed and direction, impacting the stability of bridge structures. Extreme wind events pose risks to suspension bridges through aerodynamic phenomena like flutter, galloping, and vortex shedding, which impose substantial dynamic loads on the structure.This study focuses on analyzing the dynamic response of bridge decks under steady state wind loads. Daily wind data collected from January 2023 to January 2024 revealed wind speeds of 3, 4, and 5 m/s, with extreme speeds reaching 14 and 20 m/s. Steady state simulations were conducted using the simpleFoam solver in Simscale at these speeds, along with the critical velocity of 8.764 m/s derived from the bridge deck's cross-section. The simulation results provided valuable insights into pressure distributions and lateral displacement on the deck.Findings indicate that lateral displacement at a wind speed of 20 m/s reaches 1.235 m, which exceeds design limits and highlights potential structural vulnerabilities. These results demonstrate the effectiveness of steady state CFD simulations in assessing wind-induced effects on bridge structures and underline the importance of mitigation strategies to ensure stability.
Co-Authors Akbar, Miqdad Khosyi Albert Aun Umbu Nday Ali Awaludin Ali Awaludin Ali Awaludin Aminullah , Akhmad Aminullah, Akhmad Arief Setiawan Budi Nugroho Ashar Saputra Ashar Saputra Ashar Saputra Astuti, Yana Ay Lie Han Bambang Supriyadi Baskoro Abdi Praja Baskoro Abdi Praja, Baskoro Abdi Dahlia Patah, Dahlia Danang Purwanto Desi Maryani Dicky Rahadian Mahendra Djoko Sulistyo Dualembang, Hery Egatama, Henda Febrian Erik Wahyu P radana Erik Wahyu Pradana Eugenius Pradipto Fardila, Dinda Ferry Hariman Gatot Subagio H, I Gede Agung Shri Parta Hary Christady H. Henricus Priyosulistyo, Henricus Hsuan-Teh Hu I Gusti Lanang Bagus Eratodi Ignatius Christiawan Iman Satyarno Iman Satyarno Irawati, Inggar Septhia Irkhas Bayu Faveryan Juandra Hartono Juandra Hartono, Juandra Kasih Jhoniper Simanjuntak Kukuh Adhi Kafie Lau, Debora Marsuki M. Marsuki M. Muh. Subhan A.K. Muhamad Farhan Muhammad Nur Ikhsan Muhammad, Heidi Munthe, Agyanata Tua Muslikh Muslikh Muslikh Muslikh NKA Agustini NKA Agustini, NKA Nurul Hidayati Prasetyo, Aulia Azis Priyosulistyo Priyosulistyo Purwanto Purwanto Rachmad Hidayat Saroj Mandal Setiawan, Angga Fajar Subchan, Shafira Khairunnisa Sulistiyo, Djoko Suprapto Siswosukarto Suprapto Siswosukarto Suprapto Siswosukarto Tama, Radika Gandi Tologana, Ricky Nofrianto Viorenza Everlyn Yudhistira, Angga Trisna