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Representation of Geometric Stiffening in Multibody System Simulation

Wallrapp, O., Schwertassek, R., (1991) Representation of Geometric Stiffening in Multibody System Simulation. International Journal for Numerical Methods in Engineering, Vol. 32.

Full text not available from this repository.

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/
Document Type:Article
Additional Information: LIDO-Berichtsjahr=1991, pages=25,
Title:Representation of Geometric Stiffening in Multibody System Simulation
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Wallrapp, O., Schwertassek, R., UNSPECIFIEDUNSPECIFIED
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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