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Title: Coordinate transformation techniques for efficient model reduction in flexible multibody dynamics
Other Titles: Model reduction techniques to speed up multibody dynamics simulations
Authors: Heirman, Gert
Brüls, Olivier
Desmet, Wim
Sas, Paul #
Issue Date: 15-Sep-2008
Publisher: Katholieke Universiteit Leuven, Departement Werktuigkunde
Host Document: Proceedings of ISMA2008 International Conference on Noise and Vibration Engineering pages:209-244
Conference: International Conference on Noise and Vibration Engineering edition:ISMA2008 location:Leuven, Belgium date:Sep 15-17, 2008
Abstract: Computational efficiency is important for all numerical simulation tools. For real-time and faster-than-real-time applications, which rely on a strong interaction between simulation results and other subsystems, it is vital. This paper proposes a theoretical framework for coordinate transformations to recast the differential-algebraic system equations of a flexible mechanism into a simpler set of equations, which is cheaper to solve. Desirable properties of the coordinate transformation to minimize the computational burden of the simulation are discussed, as well as some assumptions that can be made for further simplification. A methodology to make practical use of coordinate transformation techniques to speed up simulation speed for real-time and faster-than-real-time applications is presented.
Publication status: published
KU Leuven publication type: IC
Appears in Collections:Production Engineering, Machine Design and Automation (PMA) Section
# (joint) last author

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