Wallrapp, O., Schwertassek, R., (1991) Representation of Geometric Stiffening in Multibody System Simulation. International Journal for Numerical Methods in Engineering, Vol. 32.
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Abstract
Geometric, rotational or dynamic stiffening is a well and long known phenomenon in the analysis of flexible bodies. In multibody dynamics the effect has attracted attention only recently. The objective of this paper is to contribute to the understanding of the modeling of geometric stiffening in multibody system simulation. Today's methods for modeling the effect assume that the (applied) stresses in a flexible system body are zero in its reference configuration, in which it performs large overall motions. The corresponding inertial loads are shown to be balanced by constraint stresses. This can be seen easily when formulating the system equations of motion for nonzero reference stresses. As a result one obtains an efficient alternative to compute the geometric stiffening terms. The method increases the generaltity of flexible body models for multibody system simulation.
Item URL in elib: | https://elib.dlr.de/27850/ | ||||||||
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Document Type: | Article | ||||||||
Additional Information: | LIDO-Berichtsjahr=1991, pages=25, | ||||||||
Title: | Representation of Geometric Stiffening in Multibody System Simulation | ||||||||
Authors: |
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Date: | 1991 | ||||||||
Journal or Publication Title: | International Journal for Numerical Methods in Engineering | ||||||||
Refereed publication: | Yes | ||||||||
Open Access: | No | ||||||||
Gold Open Access: | No | ||||||||
In SCOPUS: | No | ||||||||
In ISI Web of Science: | Yes | ||||||||
Volume: | Vol. 32 | ||||||||
Status: | Published | ||||||||
Keywords: | Dynamic stiffening; Flexible bodies; Constraint stresses. | ||||||||
HGF - Research field: | Aeronautics, Space and Transport (old) | ||||||||
HGF - Program: | Aeronautics | ||||||||
HGF - Program Themes: | Aircraft Research (old) | ||||||||
DLR - Research area: | Aeronautics | ||||||||
DLR - Program: | L AR - Aircraft Research | ||||||||
DLR - Research theme (Project): | L - Flexible Aircraft (old) | ||||||||
Location: | Oberpfaffenhofen | ||||||||
Institutes and Institutions: | Institute of Robotics and Mechatronics (until 2012) > Robotic Systems | ||||||||
Deposited By: | DLR-Beauftragter, elib | ||||||||
Deposited On: | 14 Nov 2007 | ||||||||
Last Modified: | 27 Apr 2009 06:47 |
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