NDLI: A general solution technique for electroelastic fields in piezoelectric bodies with D ∞ symmetry in cylindrical coordinates

Content Provider	Springer Nature Link
Author	Ishihara, Masayuki Ootao, Yoshihiro Kameo, Yoshitaka
Copyright Year	2016
Abstract	To elucidate the electroelastic field in bodies with D ∞ symmetry such as wooden materials, we constructed a general solution technique for electroelastic problems in such bodies in a cylindrical coordinate system. We introduced the displacement and electric potential functions to express the displacement and electric field in cylindrical coordinates; their governing equations were obtained using the fundamental equations for the electroelastic field. The electroelastic field quantities could be expressed in terms of two elastic displacement potential functions and two piezoelastic displacement potential functions, each of which satisfies a Laplace equation with respect to the appropriately transformed cylindrical coordinates. As an application of the technique, we analyzed the problem of an infinitely long cylinder subjected to a non-axisymmetrically distributed electric surface potential. Using numerical calculations, we elucidated the electroelastic field quantities within the cylinder and found unique electroelastic coupling behaviors, which clearly demonstrate the necessity for the analytical technique presented. Moreover, we confirmed the possibility of the nondestructive evaluation (NDE) techniques by use of the piezoelectric effects.
Starting Page	29
Ending Page	41
Page Count	13
File Format	PDF
ISSN	14350211
Journal	Journal of Wood Science
Volume Number	62
Issue Number	1
e-ISSN	16114663
Language	English
Publisher	Springer Japan
Publisher Date	2016-01-18
Publisher Place	Tokyo
Access Restriction	Subscribed
Subject Keyword	Piezoelectric body D ∞ symmetry Electroelasticity General solution technique Cylindrical scheme Wood Science & Technology Materials Science Characterization and Evaluation of Materials
Content Type	Text
Resource Type	Article
Subject	Biomaterials Forestry

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