The simplified three-parameter formulation of a piezoelectric medium proposed by Gao et al. (1997) is extended to a four-parameter modified model in order to point out the features of a steadily propagating Griffith crack. It is assumed that the crack is electro-elastically free and the medium is subjected to a generalized electro-mechanical loading applied at infinity. The complete solution is provided under impermeable and permeable boundary conditions and results are presented in order to show the main dynamical features.

Crack Propagation in a Four-parameter Piezoelectric Medium

PIVA, ALDINO;TORNABENE, FRANCESCO;VIOLA, ERASMO
2006

Abstract

The simplified three-parameter formulation of a piezoelectric medium proposed by Gao et al. (1997) is extended to a four-parameter modified model in order to point out the features of a steadily propagating Griffith crack. It is assumed that the crack is electro-elastically free and the medium is subjected to a generalized electro-mechanical loading applied at infinity. The complete solution is provided under impermeable and permeable boundary conditions and results are presented in order to show the main dynamical features.
EUROPEAN JOURNAL OF MECHANICS. A, SOLIDS
A. Piva; F. Tornabene; E. Viola
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/11585/18595
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