Numerical field intensity factor calculations for 1-3 piezocomposite structures.

Etienne Closset; Phillipe Trompette; Alain Birer; Dominique Cathignol

doi:10.1109/tuffc.2006.154

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PubMed · 17091849

Numerical field intensity factor calculations for 1-3 piezocomposite structures.

Etienne Closset·Phillipe Trompette·Alain Birer·Dominique Cathignol

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Abstract

The 1-3 piezocomposite transducers used in specific medical applications--as lithotripsy--must be excited by intense electrical impulses. By inference, the composite material is subjected to high-stress levels. To explain possible failure, a numerical tool for analyzing singular two- and three-dimensional stress fields in piezocomposite structures is proposed. Following a finite-element iterative method, singularity parameters values and intensity factors for the mechanical stresses and the electrical field are computed in several bimaterial configurations. The finite-element analysis uses commercial software.

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Ceramics Computer Simulation Computer-Aided Design Equipment Design Equipment Failure Analysis Lithotripsy Microelectrodes Models, Chemical Scattering, Radiation Transducers Ultrasonography Evaluation Study Journal Article

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Etienne Closset, Phillipe Trompette, Alain Birer, Dominique Cathignol. 2006. Numerical field intensity factor calculations for 1-3 piezocomposite structures.. https://doi.org/10.1109/tuffc.2006.154

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