Thermopiezoelectric response of a one-dimensional functionally graded piezoelectric medium to a moving heat source-a review

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Proceedings titleNew trends in mechatronics and materials engineering: selected, peer reviewed papers from the 2011 international conference on mechatronics and materials engineering (ICMME 2011)
Series titleApplied Mechanics and Materials; Volume 151
Conference2011 International Conference on Mechatronics and Materials Engineering, ICMME 2011, December 10-12 2011, Qiqihar, China
Pages396400; # of pages: 5
SubjectEnvironmental conditions; Finite length; Fourier heat conduction; Functionally graded; Moving heat sources; Multi-physics; Non-Fourier heat conduction theory; Nonhomogeneity; Numerical example; Piezoelectric medium; Research subjects; Service environment; Smart materials and structures; Thermal relaxation time; Thermoelastic analysis; Thermoelastics; Thermopiezoelectric; Functionally graded materials; Heat conduction; Intelligent materials; MEMS; Piezoelectric materials; Thermal gradients; Thermal stress; Thermoelasticity; Fourier transforms
AbstractThe multi-physics of piezoelectric materials under different environmental conditions has been an active research subject for a few decades. Particularly, the thermoelastic behaviour of smart materials and structures is of great importance to their reliability in different applications. Traditionally, the Fourier heat conduction theory was introduced in dealing with the thermoelastic reactions of smart materials and structures. This may lead to reasonable analyses and useful guidelines in design of smart structures, especially when no severe thermal gradient is involved. However, when a severe thermal gradient is indeed involved in the service environment of a smart structure, the analysing results based on the Fourier heat conduction theory is unrealistic and usually rendered useless. Non-Fourier heat conduction theories have been introduced in the thermoelastic analysis of smart materials and structures in recent years and resulted in reasonable results. In this paper, we review the recent results of a thermopiezoelectric problem of a one-dimensional (1-D), finite length, functionally graded medium excited by a moving heat source using both the Fourier and Non-Fourier heat conduction theories. Numerical examples are displayed to illustrate the effects of non-homogeneity index, length and thermal relaxation time on the results. © (2012) Trans Tech Publications, Switzerland.
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AffiliationNational Research Council Canada; NRC Institute for Ocean Technology
Peer reviewedYes
NPARC number21270042
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Record identifier476536a5-6db3-4ee1-9a86-b476d66122e6
Record created2013-12-16
Record modified2016-05-09
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