Two- and Three-dimensional Generalisation of Lower Order Local Wave Velocities
I. V. Drozdov, A. A. Stahlhofen
Abstract
A general local approach for the definition of velocities and especially phase velocities for waves recently proposed for one-dimensional waves is generalized for 2 and 3 dimensional scalar wave. A geometrically consistent generalization has been found for the local wave velocities of order zero and one.
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