Abstract
Abstract This paper continues demonstration of the benefits of parallel multibody simulation. In Part I implicit integration schemes combined with a modified inverse dynamic formulation were proposed for parallel multibody simulation. In Part II the modified inverse dynamics algorithm and computation of the integrator's Jacobian are split up into independent work packages for parallelization on medium-and coarse-grain levels, respectively. The farming concept, which organizes the flow of work and result packages through a network of processors, is presented. Transputers are used to build a distributed memory multiprocessor system, where both the medium- and coarse-grain approaches are implemented, resulting in the PARSIM-package for parallel multibody dynamics. The simulation of an off-road vehicle and a multibody model for a cable demonstrate the considerable savings in simulation times achieved by the new software package.
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