Quasi-Dynamic Stress Analysis of Connecting Rod during Operation and Stress-Time Diagram Generation

The motion of the connecting rod is a combination of crank-end rotation and the reciprocating motion of the piston end .The stresses acting on the connecting rod are caused by two reasons: compressive cycle cylinder pressure and inertia force. The magnitude and direction of both forces change during an operation .In this study, Quasidynamic stress analysis of a 4 stroke engine connecting rod is presented in its nominal speed. Finite Element techniques is used in this analysis. Stress-Time diagram is plotted during operation. This diagram is used for fatigue analysis. Finally the acquired diagram is compared with experimental results.

Keywords:

connecting rod , finite element , internal combustion engine , quasi-dynamic