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Thursday, 12 August 2010

Structural analysis of six wheeler chassis.


The present scenario in automotive industry is an increase in demand of trucks not only on the cost and weight aspects but also on improved complete vehicle features and overall work performance. The chassis plays an important role in the design of any truck.

The chassis design in general is a complex methodology and to arrive at a solution which yields a good performance is a tedious task. Since the chassis has a complex geometry and loading patterns, there is no well defined analytical procedure to analyze the chassis. So the numerical method of analysis is adopted, in which ‘Finite Element Technique’ is most widely used method.

The main objective of this work is to evaluate static characteristics of a truck chassis under different load conditions. Geometric modeling of the various components of chassis has been carried out in part mode as 3-D models using PRO-ENGINEER. The properties, viz. crossectional area, beam height, area moments of inertia of these 3-D modeled parts are estimated in PRO-ENGINEER. These properties have been used as input while performing the Finite Element Analysis using ANSYS work bench.

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