Journal ArticleDOI
Electric to acoustic conversion by a spherical piezoceramic shell with shields
V. G. Savin,I. O. Morgun +1 more
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In this paper, a nonstationary hydroelectroelasticity problem is solved to determine the pressure in the ambient medium when a spherical thin-walled piezoelectric transducer with a shield either inside or outside is excited with an electric pulse.Abstract:
A problem of nonstationary hydroelectroelasticity is solved to determine the pressure in the ambient medium when a spherical thin-walled piezoelectric transducer with a shield either inside or outside is excited with an electric pulseread more
Citations
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A novel embeddable spherical smart aggregate for structural health monitoring: part I. Fabrication and electrical characterization
TL;DR: In this paper, a novel embeddable spherical smart aggregate (SSA) for the health monitoring of concrete structures is presented, which can generate or receive omni-directional stress waves that can significantly improve the detection aperture and provide additional functionalities in SHM.
Journal ArticleDOI
A novel embeddable spherical smart aggregate for structural health monitoring: part II. Numerical and experimental verifications
TL;DR: In this paper, a spherical smart aggregate (SSA) based on a radially polarized spherical piezoceramic shell element has unique omnidirectional actuating and sensing capabilities that can greatly improve the detection aperture and provide additional functionalities in health monitoring applications.
Journal ArticleDOI
Method of characteristics in analysis of the propagation of electroelastic thickness oscillations in a piezoceramic layer under electric excitation
N. A. Shul’ga,L. O. Grigor’eva +1 more
TL;DR: In this paper, a method of characteristics is used to obtain an analytical solution describing the thickness vibrations of a piezoelectric layer polarized across the thickness and subjected to a nonstationary electric potential.
Journal ArticleDOI
Acoustic manipulation of active spherical carriers: Generation of negative radiation force
Majid Rajabi,Alireza Mojahed +1 more
TL;DR: In this article, the authors examined theoretically a mechanism of generating negative (pulling) radiation force for acoustic manipulation of spherical carriers equipped with piezoelectric actuators in its inner surface.
Journal ArticleDOI
Propagation of two-dimensional nonstationary vibrations in an electrically excited piezoceramic prismatic body
N. A. Shul’ga,L. O. Grigor’eva +1 more
TL;DR: In this paper, a numerical method to solve a plane problem for a piezoceramic prismatic body having rectangular cross-section and undergoing mechanically excited nonstationary vibrations is presented.
References
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Journal ArticleDOI
On free nonlinear vibrations of fluid-filled cylindrical shells with multiple natural frequencies
TL;DR: In this article, the nonlinear free vibrations of a cylindrical shell fully filled with a perfect incompressible fluid were studied in the case where two natural frequencies of the shell are close.
Journal ArticleDOI
Resonant phenomena in a cylindrical shell containing a spherical inclusion and immersed in an elastic medium
Veniamin D. Kubenko,V. V. Dzyuba +1 more
TL;DR: In this article, a method is proposed to investigate the behavior of an axisymmetric system consisting of an infinite thin elastic cylindrical shell immersed in an infinite elastic medium, filled with a perfect compressible fluid, and containing an oscillating spherical inclusion.
Journal ArticleDOI
Interaction of differently shaped bodies in a potential flow of perfect compressible fluid: Axisymmetric internal problem
TL;DR: In this article, an approach is proposed to investigate an axisymmetric system consisting of an infinite thin elastic cylindrical shell that contains a potential flow of perfect compressible fluid and a periodically vibrating spherical inclusion.
Journal ArticleDOI
Generation of nonstationary waves by a thick-walled piezoceramic cylinder excited by electric signals
A. E. Babaev,A. A. Babaev +1 more
TL;DR: In this article, the problem is reduced to a system of integral Volterra equations using the Laplace transform and analytical inversion of boundary conditions, and the results of calculations for different cable lengths are presented.