Browse Publications Technical Papers 2005-01-4105

An integrated approach for a medium truck development through durability and dynamics simulations and experimental tests 2005-01-4105

This paper presents good results obtained by an integrated work between experimental and numerical simulation areas of DaimlerChrysler do Brasil to identify an undesirable vibration phenomenon observed in the cabin of a medium truck prototype, characterized experimentally.
The phenomenon was reproduced in the modal and dynamic analyses using FEA, consistent with the performed measurements in the vehicle. Modifications on the project of cabin suspension were developed and approved in vibration analyses, showing a reduction of the acceleration values to acceptable levels when evaluated in the prototype.
Due to these modifications, an evaluation under durability criteria was necessary. The stress analyses showed necessity of alteration in some components of the cabin suspension.
The prototypes, with the new cabin suspension, were submitted to test bench and evaluation in high severity road (off-road) and urban traffic aiming at the final product approval.


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