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Temperature Variation Effect on the Active Vibration Control of Smart Composite Beam

Abstract : Abstract Due to their impressive capacity of sensing and actuating, piezoelectric materials have been widely merged in different industrial fields, especially aeronautic and aerospace area. However, in the aeronautic industry, the structures are operating under critical environmental loads such as high and very low temperature, which made the investigation of the effect of thermal forces on the piezoelectric structures indispensable to reach the high functionality and performance. The present paper focuses on the effect of thermal loads on the active vibration control (AVC) of structures like beams. For this purpose, a finite element model of composite beam with fully covered piezoelectric sensor and actuator based on the well-known high order shear deformation theory is proposed by taking into account the electrical potential field and a linear temperature field. Hamilton’s principle is used to formulate the electro-thermo-mechanical governing equations. The negative velocity feedback controller is implemented to provide the necessary gain for the actuator. Different analyses are effectuated to present the effect of the temperature ranging from -70°C to 70°C on the active vibration control of the composite beam.
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https://hal.univ-lorraine.fr/hal-03325790
Contributor : Mohammed Nouari <>
Submitted on : Wednesday, August 25, 2021 - 11:59:16 AM
Last modification on : Thursday, August 26, 2021 - 3:24:13 AM

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Mostefa Salah, Farouk Boukhoulda, Mohamed Nouari, Kouider Bendine. Temperature Variation Effect on the Active Vibration Control of Smart Composite Beam. Acta Mechanica et Automatica, 2020, 14 (3), pp.166-174. ⟨10.2478/ama-2020-0024⟩. ⟨hal-03325790⟩

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