lect_61 - Computational Ocean Acoustics 13.853 Ray Tracing...

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COMPUTATIONAL OCEAN ACOUSTICS 13.853 Lecture 6 Computational Ocean Acoustics • Ray Tracing • Wavenumber Integration • Normal Modes • Parabolic Equation
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COMPUTATIONAL OCEAN ACOUSTICS 13.853 Lecture 6 Wavenumber Integration Range-independent – Integral Transform solution Exact depth-dependent solution Numerical issues: – Numerical stability of depth solution – Evaluation of inverse transforms Example: Pekeris waveguide – Relation to Normal Mode solution
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COMPUTATIONAL OCEAN ACOUSTICS 13.853 Lecture 6 Horiztonally stratified environment z layer 1: upper halfspace r . . . layer 2 layer m layer m + 1 layer N: lower halfspace Interface 1 Interface 2 Interface m Interface N - 1
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COMPUTATIONAL OCEAN ACOUSTICS 13.853 Lecture 6
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COMPUTATIONAL OCEAN ACOUSTICS 13.853 Lecture 6 2 Unknowns
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COMPUTATIONAL OCEAN ACOUSTICS 13.853 Lecture 6
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COMPUTATIONAL OCEAN ACOUSTICS 13.853 Lecture 6
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COMPUTATIONAL OCEAN ACOUSTICS 13.853 Lecture 6 Point source in n 2 -linear fluid medium
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  • Spring '03
  • HenrikSchmidt
  • Boundary value problem, Normal mode, Abramowitz, computational ocean acoustics, I. Handbook of Mathematical Functions

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