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Research on ultrasonic beam steering using multiplysics in bonded structures
Qiu Zhaoguo *
College of Mechanical Engineering and Applied Electronics Technology, Beijing University of Technology
*Correspondence author
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Funding: none
Opened online: 2 August 2010
Accepted by: none
Citation: Qiu Zhaoguo.Research on ultrasonic beam steering using multiplysics in bonded structures[OL]. [ 2 August 2010] http://en.paper.edu.cn/en_releasepaper/content/4380061
 
 
Ultrasonic beam steering is an essential feature while modeling for inspection methodologies and phased array ultrasonic systems. The two methods of modeling beam steering are to model a wedge or use Huygens principle to generate a propagating wave front at the required angle. In this paper, a numerical model for time-domain ultrasonic plane wave for a desired angle is presented. The propagating angle is a function of the time-domain and the distance. The control parameter time is used for steering the beam at the desired angle as well as march at the required temporal discretisation. The single element line sources for plane wave are modeled with a propagating wave front at a desired angle. The ultrasonic beam is modeled using a number of discrete line elements excited without any time-delay.
Keywords:Ultrasonic beam steering; numerical model; element line;discrete
 
 
 

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