Application of the Finite Element Method to the Design of Power Piezoelectric Sonar Transducers

Hamonic, B.

doi:10.1007/978-3-642-73263-8_10

Cited by 6 publications

(5 citation statements)

References 4 publications

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“…In particular, the finite-element method ͑FEM͒ has been widely used to model three-dimensional elastic or piezo-electric radiating structures. [12][13][14] Other numerical methods such as the boundary-element method ͑BEM͒, 15 alone or in combination with FEM ͑BEM-FEM͒, have also proved to be very powerful for linear radiation modeling. 16 The interest of extending these tools for realistic three-dimensional modeling of the nonlinear field is evident.…”

Section: Introductionmentioning

confidence: 99%

“…No restriction on the source geometry and/or vibration form is imposed. The model is implemented in the code ATILA initially developed by Decarpigny et al [12][13][14] for studying linearly elastic and piezo-electric radiating structures. The procedure basically consists of applying a perturbation method to linearize the equations and then using the classical finiteelement method.…”

Section: Introductionmentioning

confidence: 99%

See 1 more Smart Citation

Finite-element analysis of the nonlinear propagation of high-intensity acoustic waves

Campos-Pozuelo

Dubus

Gallego-Juárez

1999

The Journal of the Acoustical Society of America

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This paper deals with a three-dimensional numerical procedure based on the finite-element method for the modeling of finite-amplitude progressive acoustic waves. The method can predict the nonlinear propagation of acoustic fields produced by sources of arbitrary geometry. Based upon a perturbation method, a second-order analytical study is developed and the numerical procedure is formulated. Basic equations are derived and their ranges of validity established. The analytical validation of the numerical development is presented. An experimental validation is also carried out for the nonlinear acoustic field radiated by a stepped-plate transducer.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Finite-element analysis of the nonlinear propagation of high-intensity acoustic waves

Campos-Pozuelo

Dubus

Gallego-Juárez

1999

The Journal of the Acoustical Society of America

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“…The lower frequency limit for a sandwich design has been identified as the fundamental mode and the upper frequency limit has been identified as the third harmonic [8] of the transducer. It has been shown that a tunable range of 1.5 octave can be obtained, irrespective of the excitation method provided the control ceramic is positioned at the tail-end of the stack.…”

Section: W W Wmentioning

confidence: 99%

“…Since 1983 there has been considerable interest in designing a wideband transducer by controlling or tailoring the frequency response by the application of active piezoelectric adjacent layers. The purpose of controlling or tailoring can be to obtain a multiple-resonance transducer [8] or to tune it [l, 2,3,4,6,7].…”

Section: Introductionmentioning

confidence: 99%

Tunable Transducers

ALWI,

SMITH,

CAREY

2024

Sonar Transducers 1995

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“…In the past decades, there has been considerable interest in designing a wide-band and frequency-tunable piezoelectric transducer by means of two groups of piezoelectric ceramic elements. One group is used as the active element which is connected to an electrical generator; the other group is used as the controlling elements which are connected to inductance or capacitance [19][20][21][22][23][24][25][26][27][28][29][30][31][32]. When the inductance or capacitance is changed, the resonance frequency can be adjusted by means of the piezoelectric effect.…”

Section: Introductionmentioning

confidence: 99%

Analysis of the sandwich ultrasonic transducer with two sets of piezoelectric elements

Lin

2008

Smart Mater. Struct.

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The sandwich ultrasonic transducer with two sets of piezoelectric ceramic elements is analyzed. It is composed of a back metal mass, a front metal mass and two sets of piezoelectric elements which are separated by a middle metal cone. The two sets of piezoelectric elements are excited separately by an external alternating voltage, and therefore two groups of resonance and anti-resonance frequency equations can be obtained. Some sandwich transducers are designed and fabricated, and their frequencies are measured. It is shown that two resonance and anti-resonance frequencies can be obtained, and the frequencies depend on the geometrical dimensions and the electrical boundary conditions. In the short circuited case, the two resonance frequencies are the same, but the anti-resonance frequencies are different. In the open-circuited case, the two resonance frequencies are different; the anti-resonance frequencies are the same. The relationship between the effective electromechanical coupling coefficient, the resonance and anti-resonance frequency and the geometrical dimensions of the transducer is analyzed. It is expected that by carefully choosing the geometrical dimensions and the electrical boundary conditions, the transducer can be optimized and used as frequency-variable transducers or transducers with multi-frequency.

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Application of the Finite Element Method to the Design of Power Piezoelectric Sonar Transducers

Cited by 6 publications

References 4 publications

Finite-element analysis of the nonlinear propagation of high-intensity acoustic waves

Finite-element analysis of the nonlinear propagation of high-intensity acoustic waves

Tunable Transducers

Analysis of the sandwich ultrasonic transducer with two sets of piezoelectric elements

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