Fatigue Analysis of The Rail Fastening E-Clamp on AA-LRT
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Date
2016-06
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Addis Ababa University
Abstract
The goal of this study is analyzing and identifying the stresses on E-clamp due to the wheel load
to predict and minimize failures caused. This study covers the stress and failure caused by the
wheel load. Under normal track and load conditions, E-clamp fail due to high cycle fatigue.
The 3D model has done on modeling package of CATIAV5R19. In CATIAV5R19, different
components of wheel/rail assembly i.e. wheel, rail, E-clamp, bolt, nuts, rail pad are created
separately then all components are assembled, and create a complete model of wheel/rail
assembly. Assembly model has created in assemble workbench of CATIA after individual
component of joint had created on part work bench.
After the assembly is accomplished on CATIA, it was imported in to the ANSYS v14.0 to
analyze the stress caused by vertical load. The meshing type for this research is medium size
meshing. All the material properties are being applied. During the analysis of wheel/rail contact
in ANSYS software, the parameters have been used wheel load angular and simulation result is
obtained.
The analysis includes fatigue stress von miss stresses, shear stress and Equivalent elastic strain
and fatigue life. These values have been determined under the influence of wheel load. The result
obtained in this analysis is less and better stress values for E-clamp by the modified geometry.
This paper recommends that during the analysis of E-clamp that the new geometry E-clamp is
better than the existing. For the similar problem engineers can develop the solutions by
modification of the geometry of rail fastening component parts.
Description
Keywords
Rail fastening, Modeling, Finite Element