Modeling intensity field from high-intensity ultrasound source WITHOUT acoustics module

Hi,

I cannot afford to buy the Acoustics module, so I'm wondering if it's possible to model the energy being deposited into a material due to multiple ultrasound sources. The KZK equation can be used to calculate the intensity as a function of radial and axial distance from a source. Anyone have experience with this? Is there a situation where I can use the equation-based modeling? Thanks.

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Austin Roth