Abstract
The force coupling and the differential algebraic descriptionof constrained multibody systems are compared and applied to two testmodels used in vehicle dynamics. Based on the Newtonian and Eulerianequations the equations of motion for local subsystems are presentedusing explicitly and implicitly formulated constraints. In the nextstage the coupling of local subsystems using implicit algebraicconstraints and an approximative description of the constraints byapplied coupling forces is explained. The two coupling methods areapplied to test models used in vehicle dynamics to examine theircharacteristics by numerical integration with different methods. Themost efficient among the tested DAE solvers is identified.
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