An existing model, the Bergen code, is used to simulate the propagation of ultrasonic beams
of finite amplitude, due to rectangular and square sources. It is found that the edges of the …

A time-domain numerical model for simulating acoustic pulse focusing in biological media
with a symmetrical source geometry is presented in this model, the main effects responsible …

Acoustic fields of powerful ultrasound sources with Gaussian spatial apodization and initial
excitation in the form of a periodic wave or single pulse are examined based on the …

A method for fast numerical simulation of nonlinear wave propagation based on a quasi-
linear approximation has previously been presented. In the current study this method has …

This paper investigates the shock formation distance in a bounded sound beam of finite
amplitude by solving the Khokhlov-Zabolotskaya-Kuznetsov (KZK) equation using frequency …

Results of a systematic investigation of a high intensity sound beam from a plane circular
transducer are presented for a large range of excitation levels. The ratio of the shock …

The propagation of finite amplitude sound beams in an ideal fluid that radiate from a circular
planar transducer has been investigated for the cases of axisymmetric and nonsymmetric …

Nonlinear interaction of two collinear, spherically spreading sound beams is considered and
applied to a discussion of parametric acoustic arrays. A general solution is given in the …

Two similar time‐domain computer algorithms are described, one that solves an augmented
Burgers equation and the other an augmented KZK equation. Both codes include the effects …

The iterative nonlinear contrast source (INCS) method, developed previously to predict the
nonlinear acoustic pressure field excited by a medical diagnostic phased array transducer in …