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Multibody System Dynamics

, Volume 22, Issue 2, pp 133–144 | Cite as

Dynamic simulation of crankshaft multibody systems

  • C. B. Drab
  • H. W. Engl
  • J. R. Haslinger
  • G. Offner
  • R. U. Pfau
  • W. Zulehner
Article

Abstract

General multibody system approaches are often not sufficient for specific situations in applications to yield an efficient and accurate solution. We concentrate on the simulation of the crankshaft dynamics which is characterized by flexible bodies and force laws describing the interaction between the bodies. The use of the floating frame of reference approach in our model leads to an index-2 DAE system. The algebraic constraints originate from the reference conditions and the normalization equation for the quaternions. For the time integration of this system, two aspects have to be taken into account: firstly, for efficiency exploiting the structure of the system and using parallelization. Secondly, consistent initial values also with respect to a related index-3 system have to be computed in order to compute missing initial velocities and to reduce transient phenomena.

Keywords

Automotive application Multibody systems Dynamic simulation Differential-algebraic equations Backward differentiation formula 

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Copyright information

© Springer Science+Business Media B.V. 2009

Authors and Affiliations

  • C. B. Drab
    • 1
  • H. W. Engl
    • 2
  • J. R. Haslinger
    • 1
  • G. Offner
    • 3
  • R. U. Pfau
    • 1
  • W. Zulehner
    • 4
  1. 1.Industrial Mathematics Competence CenterLinzAustria
  2. 2.Johann Radon Institute for Computational and Applied MathematicsAustrian Academy of SciencesLinzAustria
  3. 3.AVL List GmbHGrazAustria
  4. 4.Johannes Kepler Universität LinzLinzAustria

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