Simulation of ultrasonic surface waves with multi-Gaussian and point source beam models

In the past decade, multi-Gaussian beam models have been developed to solve many complicated bulk wave propagation problems. However, to date those models have not been extended to simulate the generation of Rayleigh waves. Here we will combine Gaussian beams with an explicit high frequency expressi...

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Hauptverfasser:	Zhao, Xinyu, Schmerr, Jr Lester W, Sedov, Alexander, Li Xiongbing
Format:	Tagungsbericht
Sprache:	eng
Schlagworte:	BEAMS Beams (radiation) CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Computer simulation Gaussian beams (optics) GREEN FUNCTION Green's functions POINT SOURCES RAYLEIGH WAVES SIMULATION SOLIDS Surface waves Three dimensional models TRANSDUCERS WAVE PROPAGATION
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creator	Zhao, Xinyu Schmerr, Jr Lester W Sedov, Alexander Li Xiongbing
description	In the past decade, multi-Gaussian beam models have been developed to solve many complicated bulk wave propagation problems. However, to date those models have not been extended to simulate the generation of Rayleigh waves. Here we will combine Gaussian beams with an explicit high frequency expression for the Rayleigh wave Green function to produce a three-dimensional multi-Gaussian beam model for the fields radiated from an angle beam transducer mounted on a solid wedge. Simulation results obtained with this model are compared to those of a point source model. It is shown that the multi-Gaussian surface wave beam model agrees well with the point source model while being computationally much more efficient.
doi_str_mv	10.1063/1.4864869
format	Conference Proceeding
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However, to date those models have not been extended to simulate the generation of Rayleigh waves. Here we will combine Gaussian beams with an explicit high frequency expression for the Rayleigh wave Green function to produce a three-dimensional multi-Gaussian beam model for the fields radiated from an angle beam transducer mounted on a solid wedge. Simulation results obtained with this model are compared to those of a point source model. 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source	AIP Journals Complete
subjects	BEAMS Beams (radiation) CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS Computer simulation Gaussian beams (optics) GREEN FUNCTION Green's functions POINT SOURCES RAYLEIGH WAVES SIMULATION SOLIDS Surface waves Three dimensional models TRANSDUCERS WAVE PROPAGATION
title	Simulation of ultrasonic surface waves with multi-Gaussian and point source beam models
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