Abstract
A subsystem synthesis method has been proposed for dynamicanalysis of a vehicle multibody system that consists of severalsubsystems. In this method, each subsystem can be independently analyzedwith a virtual reference body. For overall vehicle system analysis,subsystems can be synthesized to the chassis with effective inertiamatrix and force vector from the virtual reference body of eachsubsystem. Using this matrix and vector, a fixed size (6 × 6) of equationsof motion for a chassis can be formed and independently solved. There after, equations of motion for each subsystem are solved, subsystem bysubsystem. Computational efficiency of the proposed method has been alsoinvestigated theoretically through the operational counting method. Inorder to show the effectiveness of the method, a Short Long Arm (SLA)vehicle suspension subsystem has been analyzed.
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