Multi-Dimensional Modeling

Traditional finite-difference approaches for the simulation of wave motion in multi-dimensional systems have been used for many decades. Digital waveguide techniques for multi-dimensional acoustic modeling were first published by Van Duyne and Smith (1993) and have been actively explored over the past 10 years. In fact, the digital waveguide approach represents an alternative formulation of a finite difference scheme for multi-dimensional modeling. In general, these techniques involve significant computational demands and suffer from dispersion errors.

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