Normal Modes
aw: A Matlab code
for computing normal modes based on Chebyshev approximations
(M. Dzieciuch/Scripps
Institution of Oceanography)
amodes: A Matlab code for computing
normal modes based on Numerov’s method
(B. Dushaw/APL,
Univ. of Washington
Couple: a coupled normal-mode code
(R. Evans)
KRAKEN normal mode program
- Report (includes an extensive discussion of the theory of normal modes).
-
Source code (in Acoustics
Toolbox) (M. Porter)
(updated 6 July 2018)
- Krak_mat: A Matlab version of KRAKEN
- KrakenZ:
This version uses a new root finder based on winding number
integrals that is much more robust.
(P. Cristini/CNRS-Laboratoire de Mécanique ed d'Acoustique, France) - Matlab
KRAKEN: A version of KRAKEN with a MEX wrapper so that
it can easily be called from Matlab
(B. Dushaw/APL, Univ. of Washington) - Python
Scripts for reading/writing input/output files
(Orlando Rodriguez/Univ. of Algarve - arlpy, a Python
interface to BELLHOP. Some of these tools may be useful for
KRAKEN as well (New September 2018)
(Mandar Chitre, National University of Singapore)
- Windows
build instructions using MSYS2
(Tim Haverland/ NOAA)
MOATL MOdal Acoustic Transmission Loss program
(F. Ingenito, S. Wolf, J. Miller/Naval Research Laboratory)
NLayer Pedersen-Gordon underwater sound propagation-loss program
- Source code (Org. Naval Ocean Systems Center; PC version M. Hall/Defence Science and Technology Organization, Australia)
NMPQ: Uses the P-Q
description of the bottom reflection coefficient; these
represents slopes of the magnitude and phase of the reflection
coefficient.
(E. C. Shang, shangerchang32@aol.com
Z. D. Zhao, zhaozhendong@aliyun.com
Key Laboratory of Underwater Acoustic Environment, Institute
of Acoustics, Chinese Academy of Science)
Numerov
Mode Code: A demo code using the Numerov
finite-difference scheme.
(B. Dushaw,
Applied Physics Laboratory, U. Washington)) (new August 2015)
rimLG: A Legendre-Galerkin code
for calculating normal-modes (here's the zip file)
(R. Evans) (updated December 2016)
WKBZ: Based on a uniform WKB
approximation to the modes
(R. Zhang, National Laboratory of Acoustics, Institute
of Acoustics, Chinese Academy
of Sciences)
Contributions or questions on this section?
Contact: M. Porter