Structural Modeling and Analysis of Flat Wagon Underframe Based on Finite Element Method

Ilham Satrio Utomo; Edi Nyoto Marsusiadi; Sulis Tri Wibowo

doi:10.37367/jrtt.v4i1.60

Authors

Ilham Satrio Utomo
Edi Nyoto Marsusiadi PPI MADIUN
Sulis Tri Wibowo PPI MADIUN

DOI:

https://doi.org/10.37367/jrtt.v4i1.60

Keywords:

flat wagon, ansys, finite element method

Abstract

This research analyzes the structural strength of the 50-foot Flat Wagon underframe using the finite element method. Modeling was done in Autodesk Inventor and load simulation using ANSYS Workbench with a mesh size of 25 mm. The analysis refers to the UIC 571-4 and EN 12663 standards. The results showed that the maximum stress of 347.56 MPa and maximum deformation of 15.305 mm occurred under combined loading. This value is still below the yield strength of the material (355 MPa), but exceeds 75% of the allowable stress according to KM No. 43 Year 2010 (266.25 MPa). The highest safety factor is 1.82 (compression loading), the lowest is 0.76 (combination loading). This simulation shows the need for design optimization to meet national safety standards..

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