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Geometric Stiffening in Multibody System Simulation

Wallrapp, O. and Schwertassek, R. (1991) Geometric Stiffening in Multibody System Simulation. In: Proc. "Int. Forum on Aeroelasticity and Structural Dynamics 1991". Int. Forum on Aeroelasticity and Structural Dynamics 1991, DGLR Aachen, 03.-06.06.91.

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The dynamics of flexible space structures may be analyzed using finite element or multibody system codes. The former do not meet the requirement of short execution times appearing in many applications and some of the latter codes yield wrong results in certain situations because of forgetting to incorporate geometric stiffening effects. This paper shows how to model general flexible bodies in multibody systems by including geometric stiffening and it presents an efficient method for evaluating the geometric stiffening terms. The method makes multibody simulation codes for dynamic analysis much faster than finite element codes as shown for typical examples.

Item URL in elib:https://elib.dlr.de/27881/
Document Type:Conference or Workshop Item (Paper)
Additional Information: LIDO-Berichtsjahr=1991,
Title:Geometric Stiffening in Multibody System Simulation
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Journal or Publication Title:Proc. "Int. Forum on Aeroelasticity and Structural Dynamics 1991"
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Flexible space structures; Finite element; Multibody system codes.
Event Title:Int. Forum on Aeroelasticity and Structural Dynamics 1991, DGLR Aachen, 03.-06.06.91
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:other
HGF - Program Themes:other
DLR - Research area:Space
DLR - Program:no assignment
DLR - Research theme (Project):UNSPECIFIED
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of Robotics and Mechatronics (until 2012) > Institut für Dynamik der Flugsysteme
Deposited By: DLR-Beauftragter, elib
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 06:48

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