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Finite Element Analysis of Smart Structures Based on Shape Memory Alloys.

Lammering, R. (1993) Finite Element Analysis of Smart Structures Based on Shape Memory Alloys. GAMM-Tagung 1993, 12.04. - 16.04.1993, Dresden, (Gesellschaft fuer angewandte Mathematik + Mechanik)..

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Smart structures are currently being developed within the DLR project ARES (Actively Reacting Flexible Structures), using integrated multifunctional actuators and sensors for shape control, vibration control, and alignment precision control. Shape memory alloys are a candidate material for use in actuators. For shape memory alloy material behavior, a nonlinear finite element procedure is developed which incorporates a thermomechanically derived constitutive law. The constitutive equations that include the necessary internal variables to account for the material transformations are utilized in a finite element procedure that captures the unique shape memory alloy responses of pseudoelasticity and the shape memory effect. Test cases are presented to illustrate the potential of the finite element procedure. Two further applications are examined: the use of a shape memory alloy ring as a pipe connector and the eigenfrequency tuning of a composite beam withembedded shape memory alloy wires. The results of the analyses correlate well with analytical results.

Item URL in elib:https://elib.dlr.de/39567/
Document Type:Conference or Workshop Item (Speech)
Additional Information: LIDO-Berichtsjahr=1993,
Title:Finite Element Analysis of Smart Structures Based on Shape Memory Alloys.
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Open Access:No
Gold Open Access:No
In ISI Web of Science:No
Keywords:Smart Structures, Shape Memory Alloys, Constitutive Equations, Finite Element Method.
Event Title:GAMM-Tagung 1993, 12.04. - 16.04.1993, Dresden, (Gesellschaft fuer angewandte Mathematik + Mechanik).
HGF - Research field:UNSPECIFIED
HGF - Program:Space (old)
HGF - Program Themes:W RP - Raumtransport
DLR - Research area:UNSPECIFIED
DLR - Program:W RP - Raumtransport
DLR - Research theme (Project):UNSPECIFIED
Location: Göttingen
Institutes and Institutions:Institute of Aeroelasticity
Deposited By: DLR-Beauftragter, elib
Deposited On:02 Apr 2006
Last Modified:27 Apr 2009 10:47

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