Finite element modeling and simulation of a two-transducer through-wall ultrasonic communication system

K. R. Wilt, H. A. Scarton, S. Roa-Prada, G. J. Saulnier, J. D. Ashdown, T. J. Lawry, P. K. Das, A. J. Gavens

Resultado de la investigación: Libro / Capitulo del libro / InformeLibros de Investigaciónrevisión exhaustiva

14 Citas (Scopus)

Resumen

A finite element simulation of a through-wall ultrasonic communication system which permits data to be transferred from the inside of a sealed metal vessel to the outside without the need for physical penetrations is introduced. Two transducers are aligned axially on either side of a thick solid stainless steel wall. The outside transducer is forced with a continuous sinusoidal voltage at the crystal's nominal 1 MHz longitudinal resonant frequency, launching a wave into the wall. The transmitted beam is partially reflected off of the inside of the wall where the inside transducer is located. The amplitude of the reflected wave is modulated by switching the electrical impedance placed across the leads of the inside transducer. The reflected wave is received at the outside transducer and the continuous wave amplitude is sensed to detect the transmitted data bits. The system is modeled and simulated using a commercial finite element modeling package. A coupled stress-strain and piezoelectric analysis is performed using an axisymmetric geometry. The model represents an existing system from which physical measurements were taken. Excellent correlation between the model and system were observed and the model has been used to further optimize the communication system.

Idioma originalInglés
Título de la publicación alojadaProceedings of the ASME International Mechanical Engineering Congress and Exposition 2009, IMECE 2009
EditorialAmerican Society of Mechanical Engineers (ASME)
Páginas579-589
Número de páginas11
ISBN (versión impresa)9780791843888
DOI
EstadoPublicada - 2010
Publicado de forma externa
Evento2009 ASME International Mechanical Engineering Congress and Exposition, IMECE2009 - Lake Buena Vista, FL, Estados Unidos
Duración: 13 nov. 200919 nov. 2009

Serie de la publicación

NombreASME International Mechanical Engineering Congress and Exposition, Proceedings
Volumen15

Conferencia

Conferencia2009 ASME International Mechanical Engineering Congress and Exposition, IMECE2009
País/TerritorioEstados Unidos
CiudadLake Buena Vista, FL
Período13/11/0919/11/09

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