Browse Publications Technical Papers 2010-36-0266

Correlation between Experimental and Virtual Results for a Fatigue Test on an Internal Combustion Automotive Engine's Connecting Rod 2010-36-0266

The development of computational procedures has allowed increasing the range of virtual analysis of various engineering problems. The design of industrial products must meet requirements of durability, strength, reliability, security, and criteria of low cost and weight. These requirements are among the many reasons that enable technological advances; and such advances are needed to make possible to increasingly use software's capacity of simulating real operating conditions of components.
This work has as main objective to achieve fatigue analysis of a connecting rod of an automotive internal combustion engine by using software based on finite element method. For this were used curves of loads and boundary conditions, obtained from experimental analysis of the component, so it may be possible a correlation between experimental and computational results.
The connecting rod is under cyclic loading during its entire lifetime, which generates high levels of stress that, depending on their characteristics and magnitude, can lead to the component fatigue failure.
This work is important because when results of a finite element model and an experimental fatigue test are correlated, it will be possible to run multiple virtual analyses in order to determine the component regions that need to be modified or improved. Performing such analysis aims at reducing costs related to prototypes production and experimental tests, since these are generally expensive and requires long time for execution.


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