NDLI: Coupled electromechanical response of composite beams with embedded piezoelectric sensors and actuators

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Coupled electromechanical response of composite beams with embedded piezoelectric sensors and actuators

Content Provider	NASA Technical Reports Server (NTRS)
Author	Heyliger, P. R. Saravanos, D. A.
Copyright Year	1994
Description	Unified mechanics are developed with the capability to model both sensory and active composite laminates with embedded piezoelectric layers. A discrete-layer formulation enables analysis of both global and local electromechanical response. The mechanics include the contributions from elastic, piezoelectric, and dielectric components. The incorporation of electric potential into the state variables permits representation of general electromechanical boundary conditions. Approximate finite element solutions for the static and free-vibration analysis of beams are presented. Applications on composite beams demonstrate the capability to represent either sensory or active structures and to model the complicated stress-strain fields, the interactions between passive/active layers, interfacial phenomena between sensors and composite plies, and critical damage modes in the material. The capability to predict the dynamic characteristics under various electrical boundary conditions is also demonstrated.
File Size	906501
Page Count	22
File Format	PDF
Alternate Webpage(s)	http://archive.org/details/NASA_NTRS_Archive_19940029393
Archival Resource Key	ark:/13960/t7rn8341n
Language	English
Publisher Date	1994-06-01
Access Restriction	Open
Subject Keyword	Composite Materials Dynamic Response Smart Structures Electric Potential Actuators Electromechanics Free Vibration Structural Vibration Dielectrics Laminates Finite Element Method Beams Supports Piezoelectricity Strain Distribution Elastic Properties Structural Analysis Ntrs Nasa Technical Reports Server (ntrs) Nasa Technical Reports Server Aerodynamics Aircraft Aerospace Engineering Aerospace Aeronautic Space Science
Content Type	Text
Resource Type	Article

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