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All Journal Jurnal Fisika Unand Jurnal Teknologi Dirgantara Jurnal Teknologi Kedirgantaraan (JTK) Bubungan Tinggi: Jurnal Pengabdian Masyarakat Prosiding Seminar Nasional Ilmu Teknik Dan Aplikasi Industri Fakultas Teknik Universitas Lampung Jurnal Mahasiswa Dirgantara
Budi Aji Warsiyanto
Universitas Dirgantara Marsekal Suryadarma
Aerospace Engineering Chemical Engineering, Chemistry & Bioengineering Civil Engineering, Building, Construction & Architecture Computer Science & IT Control & Systems Engineering Earth & Planetary Sciences Electrical & Electronics Engineering Energy Engineering Environmental Science Industrial & Manufacturing Engineering Materials Science & Nanotechnology Mechanical Engineering Physics Social Sciences Transportation Other

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Journal : Jurnal Fisika Unand

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Numerical Simulation of Bird Strike with Varied L/D Ratio in Hemispherical-ended Cylinder Bird Model Using Coupled Eulerian Lagrangian Method Endah Yuniarti; S Afandi Sitompul; B Aji Warsiyanto
Jurnal Fisika Unand Vol 12, No 4 (2023)
Publisher : Universitas Andalas

Show Abstract | Download Original | Original Source | Check in Google Scholar | DOI: 10.25077/jfu.12.4.628-638.2023

Abstract

This research studies the numerical simulation of the finite element method for bird strike using a hemispherical-ended cylinder bird model with varying length-to-diameter (L/D) ratio, namely 1.4; 1.5; 1.6; 1.7; 1.8; 1.9; and 2.0. Birds are modelled with elastic, plastic, and hydrodynamic behaviour. The bird model uses the Coupled Eulerian-Lagrangian (CEL) method with impact speeds of 100 ms-1, 200 ms-1, and 300 ms-1. The simulation results show that the Hugoniot pressure value is around 15-36 times higher than stagnation pressure in L/D 1.4; 14-36 times in L/D 1.5; 13-30 times in L/D 1.6; 12-32 times in L/D 1.7; 12-26 times in L/D 1.8; 13-30 times in L/D 1.9; and 13-29 times in L/D 2.0. It was found that the highest Hugoniot and stagnation pressure were in L/D 1.5 and 1.8, while the lowest Hugoniot and stagnation pressure were in L/D 2.0 and 1.5, respectively. In addition, the error of the numerical results of the average Hugoniot and stagnation pressure value compared to the analytic was 2.9% and 7%, respectively. 
Co-Authors A B Utama A Nurrohmad* amat chaeroni Ayu Martina Endah Yuniarti, Endah Fairuza, Syarifah Freddy, Franciscus muftiarifin Muhammad Hadi Widanto Pangihutan Tambunan R Fitriansyah Rafika Arum Sari Rizky fitriansyah S A Sitompul Sitompul, Sahril Afandi