Abstract The paper deals with study of an assembly of the Piston, Connecting rod and Crank shaft of a four wheeler petrol engine. The components of the assembly have to be rigid and the assembly has to move as a mechanism. Hence, the analysis should involve a rigid-body analysis and flexible-body analysis. So the forces in the components as the engine reciprocates have to be calculated and these forces are used to calculate the dynamic stresses in the component of interest i.e. the connecting rod. It is proposed to replace with two new sets of materials for the components of the assembly and check the parameters by performing the static, dynamic and thermal analysis In this project, the main parts of the assembly i.e. engine piston, connecting rod and crankshaft are modeled and assembled as per the given design. And the Finite Element Analysis is done in Ansys. The meshing is done in HyperMesh.
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