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Experimentally validated model of a membrane strip with multiple actuators

Experimentally validated model of a membrane strip with multiple actuators
Experimentally validated model of a membrane strip with multiple actuators
This paper presents the modeling and experimental validation of a membrane strip actuated in bending and tension. This investigation is a prelude to the modeling of a circular membrane augmented with smart actuators around its outer rim. Two macrofiber composite bimorph actuators are attached near the ends of the membrane strip.Wetreat two configurations. In the first configuration, both bimorph actuators are excited in bending to change the shape of the membrane strip. In the second configuration, one bimorph acts in bending and the other bimorph acts in tension. The membrane strip is modeled as a nonuniform, nonhomogenous, Euler–Bernoulli beam under tension. The finite element method is used to facilitate the handling of the nonuniformities of the combined structure. Experimental results are used to validate the model developed. The prediction of the finite element model and the experimental results are in agreement
0022-4650
1140-1152
Renno, Jamil
132f3c49-a612-4ccc-8772-293c8e015d1c
Inman, Daniel
1cee8cc2-6bd8-4a39-a00e-e3987e45b5b0
Renno, Jamil
132f3c49-a612-4ccc-8772-293c8e015d1c
Inman, Daniel
1cee8cc2-6bd8-4a39-a00e-e3987e45b5b0

Renno, Jamil and Inman, Daniel (2007) Experimentally validated model of a membrane strip with multiple actuators. Journal of Spacecraft and Rockets, 44 (5), 1140-1152. (doi:10.2514/1.27843).

Record type: Article

Abstract

This paper presents the modeling and experimental validation of a membrane strip actuated in bending and tension. This investigation is a prelude to the modeling of a circular membrane augmented with smart actuators around its outer rim. Two macrofiber composite bimorph actuators are attached near the ends of the membrane strip.Wetreat two configurations. In the first configuration, both bimorph actuators are excited in bending to change the shape of the membrane strip. In the second configuration, one bimorph acts in bending and the other bimorph acts in tension. The membrane strip is modeled as a nonuniform, nonhomogenous, Euler–Bernoulli beam under tension. The finite element method is used to facilitate the handling of the nonuniformities of the combined structure. Experimental results are used to validate the model developed. The prediction of the finite element model and the experimental results are in agreement

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Published date: 2007

Identifiers

Local EPrints ID: 71466
URI: http://eprints.soton.ac.uk/id/eprint/71466
ISSN: 0022-4650
PURE UUID: 1fd8d1f9-4dfe-48f6-a3e1-85b44cd64d77

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Date deposited: 12 Feb 2010
Last modified: 13 Mar 2024 20:27

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Contributors

Author: Jamil Renno
Author: Daniel Inman

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