Multi-body Versus Block-Oriented Approach in Suspension Dynamics of a Military Tracked Tank

Mauro Velardocchia; Enzo Rondinelli; Stefano Tornincasa; Elvio Bonisoli

doi:10.4271/2009-01-0443

2009-04-20

Multi-body Versus Block-Oriented Approach in Suspension Dynamics of a Military Tracked Tank 2009-01-0443

The superior mobility of a military vehicle provides the combat crew with a tactical advantage through increased cross country speed. The suspension system plays a fundamental role in evaluating a vehicle mobility. A mathematical model that allows realistic simulations of vehicles operating in a wide spectrum of environmental conditions may help to lower costs and time required during their development.

The paper concerns with vehicle-terrain interaction modeling, for a military tracked tank, through multi-body and block-oriented approaches. It is focused on the consequences that the suspension system has got on the comfort and on the performance. Thus through a multi-body software a realistic three dimensional model of a tracked fighting vehicle is developed. This virtual model confirms some experimental data available on its longitudinal dynamics. In order to simplify the multi-body simulations, a block-oriented approach is adopted to develop a model of the same vehicle.

Some dynamic simulations are discussed in order to validate the proposed models and to compare the two different approaches.

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Multi-body Versus Block-Oriented Approach in Suspension Dynamics of a Military Tracked Tank 2009-01-0443

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