JH
J. Huijssen
24 records found
1
Predictions of nonlinear ultrasound beams of a medical phased array transducer, steered at 0, 22.5 and 45 degrees, and generated by a forward-wave and a full-wave numerical model are presented. The results from both models show a good agreement in the unsteered situation and in a
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In order to predict the pulsed, nonlinear ultrasound field from medical phased array transducers, a numerical model has been developed that computes this field in a large-scale, three-dimensional configuration. The model is free of an assumed (quasi-plane) directionality in both
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The design of phased array transducers for medical diagnostic ultrasound asks for an understanding of the nonlinear propagation of acoustic wavefields. Most existing numerical models are based on the linearized model equations, but in the recent decades several numerical models h
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A full wave 3d time domain algorithm is presented that calculates the nonlinear acoustic wavefield of medical phased array transducers emitting an arbitratily steered, focused apodized beam. The algorithm can be used for computer simulation studies of the occuring second and high
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