When I set the input signal as 'sin(2*pi*f*t).*(t <= 1/f)' and draw the peak pressure along the axis, I find no wave nodes while the result matches well with the O'Neil solution near the focus.
Besides, when I try to draw the waveform of the point on the axis, I find it consists of many wavepackets rather than a short continous wave.
k-Wave
A MATLAB toolbox for the time-domain
simulation of acoustic wave fields
Difference between O'Neil solution and kWaveArray
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Posted 3 months ago #
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