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Flexible Bodies with Thermoelastic Properties in Multibody Dynamics

Heckmann, Andreas und Arnold, Martin (2005) Flexible Bodies with Thermoelastic Properties in Multibody Dynamics. In: Proceedings of the Multibody Dynamics 2007. ECCOMAS Thematic Conference, 2005-06-21 - 2005-06-24, Madrid (Spanien).

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In flexible multibody dynamics elastic deformations due to thermal expansion are generally omitted since thermal displacements are usually small compared to those caused by mechanical loads. However, if a mechanical process is associated with a substantial heat generation or load, the validity of this approach has to be reviewed. In a wide range of applications such as friction brakes, thermal buckling phenomena, machine tools with thermal loads, micro-mechanical devices with resistive heating, the heat energy flow and the thermoelastic coupling cannot be ignored. In order to cope with those applications a consistent theoretical framework is introduced by the present paper that enables a combined thermal and elastic analysis in multibody dynamics. The theory is based on a linear material constitution that is inserted into the weak field equations of a flexible and heat conducting body. The technical relevance of thermoelastic effects like the Gough-Joule effect, thermoelastic damping and thermally excited wave propagation is reviewed. As a consequence appropriate modelling assumptions can be deduced that enable a low-dimensional formulation of the displacement and temperature field by means of a modal multifield approach. This approach is applied to a high-performance machine tool with thermal loads caused by linear induction drives.

Dokumentart:Konferenzbeitrag (Paper)
Zusätzliche Informationen:LIDO-Berichtsjahr=2005,
Titel:Flexible Bodies with Thermoelastic Properties in Multibody Dynamics
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID-iD
Arnold, MartinMartin-Luther Universität Halle-WittenbergNICHT SPEZIFIZIERT
Erschienen in:Proceedings of the Multibody Dynamics 2007
Referierte Publikation:Ja
In Open Access:Nein
In ISI Web of Science:Nein
HerausgeberInstitution und/oder E-Mail-Adresse der Herausgeber
Cuadrado, J. Garcia Orden, J.C., NICHT SPEZIFIZIERT
Stichwörter:thermoelasticity, flexible bodies, modal multifield approach, machine tool with thermal loads
Veranstaltungstitel:ECCOMAS Thematic Conference
Veranstaltungsort:Madrid (Spanien)
Veranstaltungsart:internationale Konferenz
Veranstaltungsdatum:2005-06-21 - 2005-06-24
Veranstalter :University of Madrid
HGF - Forschungsbereich:Luftfahrt, Raumfahrt und Verkehr
HGF - Programm:Verkehr
HGF - Programmthema:V SH - Verbesserung der Sicherheit im Verkehr (alt)
DLR - Schwerpunkt:Verkehr
DLR - Forschungsgebiet:V SH - Verbesserung der Sicherheit im Verkehr
DLR - Teilgebiet (Projekt, Vorhaben):V - ViFa (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Robotik und Mechatronik (bis 2012) > Systemdynamik und Regelungstechnik (war Entwurfsorientierte Regelungstechnik)
Hinterlegt von: Klauer, Monika
Hinterlegt am:30 Okt 2008
Letzte Änderung:12 Dez 2013 20:07

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