Finite Element Analysis of Active and Sensory Thermopiezoelectric Composite Materials (Paperback)

Analytical formulations are developed to account for the coupled mechanical, electrical, and thermal response of piezoelectric composite materials. The coupled response is captured at the material level through the thermopiezoelectric constitutive equations and leads to the inherent capability to model both the sensory and active responses of piezoelectric materials. A layerwise laminate theory is incorporated to provide more accurate analysis of the displacements, strains, stresses, electric fields, and thermal fields through-the-thickness. Thermal effects which arise from coefficient of thermal expansion mismatch, pyroelectric effects, and temperature dependent material properties are explicitly accounted for in the formulation. Corresponding finite element formulations are developed for piezoelectric beam, plate, and shell elements to provide a more generalized capability for the analysis of arbitrary piezoelectric composite structures. The accuracy of the current formulation is verified with comparisons from published experimental data and other analytical models. Additional numerical studies are also conducted to demonstrate additional capabilities of the formulation to represent the sensory and active behaviors. A future plan of experimental studies is provided to characterize the high temperature dynamic response of piezoelectric composite materials.

General

Imprint:	Biblioscholar
Country of origin:	United States
Release date:	March 2013
First published:	March 2013
Creators:	National Aeronautics and Space Administr
Authors:	Hojun Lee
Dimensions:	246 x 189 x 7mm (L x W x T)
Format:	Paperback - Trade
Pages:	132
ISBN-13:	978-1-288-91570-5
Categories:	Books > Social sciences > Education > General
LSN:	1-288-91570-5
Barcode:	9781288915705

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