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Moving loads on flexible structures presented in the floating frame of reference formulation

Hartweg, Stefan and Heckmann, Andreas (2016) Moving loads on flexible structures presented in the floating frame of reference formulation. Multibody System Dynamics, 37 (2), pp. 195-210. Springer. DOI: 10.1007/s11044-016-9512-0 ISSN 1384-5640

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Official URL: http://link.springer.com/article/10.1007/s11044-016-9512-0


The introduction of moving loads in the Floating Frame of Reference Formulation is presented. We derive the kinematics and governing equations of motion of a general flexible multibody system and their extension to moving loads. The equivalence of convective effects with Coriolis and centripetal forces is shown. These effects are measured numerically and their significance in moving loads traveling at high speed is confirmed. A method is presented to handle discontinuities when moving loads separate from the flexible structure. The method is extended from beam models to general flexible structures obtained by means of the Finite Element Method. An interpolation method for the deformation field of the modal representation of these bodies is introduced. The work is concluded by application of the method to modern mechanical problems in numerical simulations.

Item URL in elib:https://elib.dlr.de/104310/
Document Type:Article
Title:Moving loads on flexible structures presented in the floating frame of reference formulation
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hartweg, Stefanstefan.hartweg (at) web.deUNSPECIFIED
Heckmann, Andreasandreas.heckmann (at) dlr.deUNSPECIFIED
Journal or Publication Title:Multibody System Dynamics
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
DOI :10.1007/s11044-016-9512-0
Page Range:pp. 195-210
Schiehlen, WernerUNSPECIFIED
Ambrosio, Jorge A.C.UNSPECIFIED
Keywords:Flexible multibody systems, Moving load, Floating frame of reference, Standard input data · Centripetal and Coriolis forces · Separation of load
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Space Technology
DLR - Research area:Raumfahrt
DLR - Program:R SY - Technik für Raumfahrtsysteme
DLR - Research theme (Project):R - Vorhaben Weiterentwicklung Robotik - Mechatronik und Dynamik
Location: Oberpfaffenhofen
Institutes and Institutions:Institute of System Dynamics and Control > Space System Dynamics
Deposited By: Heckmann, Dr.-Ing. Andreas
Deposited On:31 May 2016 18:27
Last Modified:06 Sep 2019 15:18

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