Abstract
Wheel is one of the heavily loaded components of railway rolling stock. They support the locomotive weight and provide the traction to pull the entire train. The important tasks provided by the wheels are, aid in train movement, supporting the car load and acts as a brake drum. The S-Shaped locomotive wheel profile has been developed by using commercial tool CATIA V5 which is modeled as Axi-symmetric model. We have chosen the AAR class C high carbon steel, ASTM A897 grade5 (230-185-00) Austempered ductile iron (ADI) and Aluminum silicon carbide materials for this study so as to check the feasibility of other materials for railway wheel other than steel. Static, Modal and thermo-mechanical analyses are conducted by using finite element analysis commercial tool ANSYS 15.0. 2-D Axi symmetric analysis is chosen for the wheel profile in ANSYS. The stress distributions, displacements are analyzed in Static analysis. The natural Frequencies and mode shapes are analyzed in Modal analysis. Stresses and displacements due to both mechanical and thermal loads will be analyzed from the Thermo mechanical analysis. Comparison of stresses, displacements and natural frequencies for the S Shaped wheel profile are studied to determine the better material for the wheel profile.
Keyword: Locomotive wheel profile, Stress concentrations, displacements, Natural frequencies, Ansys 15.0.
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