A modified angular spectrum solver with obliquity corrections, shock-capturing nonlinearity, and plane-by-plane curved-source injection matches full-wave simulations of transcranial and bowl-transducer ultrasound to within a few percent.
Numerical methods for nonlinear wave propagation in ultrasound,
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An Angular Spectrum Method for Nonlinear Propagation in Heterogeneous Tissue with Immersed Sources for Ultrasound
A modified angular spectrum solver with obliquity corrections, shock-capturing nonlinearity, and plane-by-plane curved-source injection matches full-wave simulations of transcranial and bowl-transducer ultrasound to within a few percent.