Arrival Structure of Long-range Propagation Excited by a Finite Amplitude Source
نویسندگان
چکیده
We have studied the group and phase speed structure of long-range acoustic arrivals using linear acoustics. Here we present a preliminary study of some of these same paths but now we consider a higher amplitude source necessitating a nonlinear acoustic treatment. This research involves the eventual coupling of the Nonlinear Progressive Wave Equation (NPE) with an Adiabatic Normal Mode (ANM) Model. We use the ANM model (which has limited range-dependent capability) because our previous treatment for the linear problem was very revealing with respect to the physics of the arrival structure.
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