A conservative numerical scheme for modeling nonlinear acoustic propagation in thermoviscous homogeneous media

2018 ◽  
Vol 363 ◽  
pp. 200-230 ◽  
Author(s):  
Manuel A. Diaz ◽  
Maxim A. Solovchuk ◽  
Tony W.H. Sheu
Keyword(s):  
Numerical Scheme ◽  
Acoustic Propagation ◽  
Nonlinear Acoustic ◽  
Homogeneous Media

Conservative Finite-Difference Scheme for High-Frequency Acoustic Waves Propagating at an Interface Between Two Media

2012 ◽  
Vol 11 (2) ◽  
pp. 351-366
Author(s):  
J. Staudacher ◽  
É Savin
Keyword(s):  
Phase Space ◽  
Acoustic Waves ◽  
High Frequency ◽  
Numerical Scheme ◽  
Propagation Model ◽  
Uniform Grid ◽  
Two Dimensional ◽  
Reflection And Transmission ◽  
Conservative Finite Difference Scheme ◽  
Homogeneous Media

AbstractThis paper is an introduction to a conservative, positive numerical scheme which takes into account the phenomena of reflection and transmission of high frequency acoustic waves at a straight interface between two homogeneous media. Explicit forms of the interpolation coefficients for reflected and transmitted wave vectors on a two-dimensional uniform grid are derived. The propagation model is a Liouville transport equation solved in phase space.

scholarly journals Nonlinear acoustic propagation in bubbly liquids: Multiple scattering, softening and hardening phenomena

2016 ◽  
Vol 139 (4) ◽  
pp. 1703-1712 ◽  
Author(s):  
Jean-Baptiste Doc ◽  
Jean-Marc Conoir ◽  
Régis Marchiano ◽  
Daniel Fuster
Keyword(s):  
Multiple Scattering ◽  
Acoustic Propagation ◽  
Bubbly Liquids ◽  
Nonlinear Acoustic

Ocean and Coastal Modeling: Nonlinear Acoustic Propagation

2009 ◽  
Author(s):  
George E. Ioup ◽  
Juliette W. Ioup ◽  
Germana Peggion ◽  
Martin J. Guillot ◽  
J. A. McCorquodale ◽  
...  
Keyword(s):  
Acoustic Propagation ◽  
Coastal Modeling ◽  
Nonlinear Acoustic
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