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March 2014 - October 2017
October 2010 - July 2012
October 2007 - July 2010
Publications
Publications (6)
In this paper we deal with the problem of ill-conditioned reduced order models in the context of redundant formulated nonlinear multibody system dynamics. Proper Orthogonal Decomposition is applied to reduce the physical coordinates, resulting in an overdetermined system. As the original set of algebraic constraint equations becomes, at least parti...
Moderne Frakturplatten sind auf die anatomische Region zugeschnitten bzw. vorgeformt, mit verschiedenen
Optionen f¨ur Knochenschrauben [1]. Sie m¨ussen der Chirurgin oder dem Chirurgen erm¨oglichen, eine Fraktur
flexibel und hochpr¨azise zu reponieren, zu fixieren und zu stabilisieren [2, 3]. Die Merkmale der Frakturplatte
f¨ur eine erfolgreiche Op...
Multibody simulation software has entered the industrial user’s market several years ago and is nowadays part of a CAE engineer’s everyday life. Due to usability and time advantages in the modeling process, such a simulation software is typically based on modeling strategies using a redundant set of coordinates. Although such a redundant set simpli...
Commercial multibody system simulation tools commonly use a redundant coordinate formulation as part of their modeling strategy. Such multibody systems subject to holonomic constraints result in second order d-index three DAE-systems. Due to the redundant formulation and a- priori estimation of possible flexible body coordinates, the model size inc...
Flexible multibody simulation, subject to holonomic constraints, results in nonlinear differential algebraic systems. As computation time is a major issue, we are interested in applying model order reduction techniques to such multibody systems. One possible method called Proper Orthogonal Decomposition is based on minimizing the displacements eucl...