NDLI: Numerical model of influence of external electric loading on electro-elastic field in ferroelectrics

Content Provider	IEEE Xplore Digital Library
Author	Kralovcova, J. Maryska, J. Novak, J.
Copyright Year	2005
Description	Author affiliation: Fac. of Mechatronics & Interdsciplinary Studies, Technical Univ. of Lilberec, Liberec, Czech Republic (Kralovcova, J.; Maryska, J.; Novak, J.)
Abstract	A mathematical modeling of behavior of possible proposed ferroelectric structures exposed various external loading can usefully support the design of real ferroelectric devices. The paper presents our numerical model of ferroelectric crystal specimen. The proposed model considers a ferroelectric crystal with an internal domain structure. The model is based on physical description that includes linear electro-elastic state equations, Newton's Iaw and Gauss law, which are completed by the possible boundary conditions reflecting the concrete external loading. The numerical method used for the formulation and approximation of the model keeps mixed-hybrid finite element method approach. The used method leads to a large system of algebraic equation. The development of our own software tool enables determination of special needs. The paper includes description of physical basis of the problem description of considered sample geometry and possible boundary conditions. Further the mixed-hybrid approximation approach and some results acquired as outputs of implemented model are introduced.
Starting Page	313
Ending Page	315
File Size	2952571
Page Count	3
File Format	PDF
ISBN	0780384105
ISSN	10994734
DOI	10.1109/ISAF.2004.1418399
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2004-08-23
Publisher Place	Canada
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Numerical models Ferroelectric materials Equations Boundary conditions Mathematical model Ferroelectric devices Gaussian processes Concrete Finite element methods Software tools
Content Type	Text
Resource Type	Article

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4	Project PI / Joint PI	Principal Investigator and Joint Principal Investigators of the project	Dr. B. Sutradhar bsutra@ndl.gov.in Prof. Saswat Chakrabarti will be added soon
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