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Multi-layered Shell Actuators

  • Hornsen (HS) Tzou
Chapter
Part of the Solid Mechanics and Its Applications book series (SMIA, volume 247)

Abstract

In this chapter, a theoretical development of a multi-layered thin shell distributed actuator is presented. The distributed actuator layers can be made of electromechanical sensitive materials which respond to externally supplied voltages and generate local control forces for active distributed vibration controls. Based on the assumptions, dynamic equations for the generic multi-layered thin shell actuator (with distributed control layers) were developed using Kirchhoff-Love’s theory and Hamilton’s principle. The system equations are generic and can be simplified to apply to many other common geometries and structures, such as plates (e.g., circular or rectangular), other conventional shells (e.g., cylindrical shell, spheres), beams, etc. The common geometries can be defined by the fundamental form, Lamé parameters, radii of curvatures, etc. It should be noted that the deformations resulting from transverse shears and rotatory inertias were neglected in the derivations.

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Copyright information

© Springer Nature B.V. 2019

Authors and Affiliations

  1. 1.State Key Laboratory of Mechanics and Control of Mechanical Structures; Interdisciplinary Research Institute, College of Aerospace EngineeringNanjing University of Aeronautics and AstronauticsNanjingChina

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