Vibration Mode Analysis of a 100m Simply-supported Steel Beam Bridge via POD of FEM. PNGUoT-JoP [Internet]. 2026 May 28 [cited 2026 Jun. 7];1(1). Available from: https://pnguotjournals.unitech.ac.pg/index.php/PNGUoT-JoP/article/view/126