Conference paper

TREEBY Bradley E., JAROŠ Jiří, ROHRBACH Daniel and COX Ben T. Modelling Elastic Wave Propagation Using the k-Wave MATLAB Toolbox. In: 2014 IEEE International Ultrasonics Symposium (IUS). Chicago, IL: Institute of Electrical and Electronics Engineers, 2014, pp. 146-149. ISBN 978-1-4799-7049-0. Available from: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6931789&tag=1
Publication language:english
Original title:Modelling elastic wave propagation using the k-Wave MATLAB toolbox
Title (cs):Modelovaní šíření elastického vlnění pomocí k-Wave toolboxu
Pages:146-149
Proceedings:2014 IEEE International Ultrasonics Symposium (IUS)
Conference:2014 IEEE International Ultrasonics Symposium
Place:Chicago, IL, US
Year:2014
URL:http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=6931789&tag=1
ISBN:978-1-4799-7049-0
Publisher:Institute of Electrical and Electronics Engineers
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Keywords
elastic wave, k-Wave, Matlab
Annotation
A new model for simulating elastic wave propagation using the open-source k-Wave MATLAB Toolbox is described. The model is based on two coupled first-order equations describing the stress and particle velocity within an isotropic medium. For absorbing media, the Kelvin-Voigt model of viscoelasticity is used. The equations are discretised in 2D and 3D using an efficient time-stepping pseudospectral scheme. This uses the Fourier collocation spectral method to compute spatial derivatives and a leapfrog finite-difference scheme to integrate forwards in time. A multi-axial perfectly matched layer (M-PML) is implemented to allow free-field simulations using a finite-sized computational grid. Acceleration using a graphics processing unit (GPU) is supported via the MATLAB Parallel Computing Toolbox. An overview of the simulation functions and their theoretical and numerical foundations is described.
BibTeX:
@INPROCEEDINGS{
   author = {E. Bradley Treeby and Ji{\v{r}}{\'{i}} Jaro{\v{s}} and
	Daniel Rohrbach and T. Ben Cox},
   title = {Modelling elastic wave propagation using the k-Wave MATLAB
	toolbox},
   pages = {146--149},
   booktitle = {2014 IEEE International Ultrasonics Symposium (IUS)},
   year = {2014},
   location = {Chicago, IL, US},
   publisher = {Institute of Electrical and Electronics Engineers},
   ISBN = {978-1-4799-7049-0},
   language = {english},
   url = {http://www.fit.vutbr.cz/research/view_pub.php.en.iso-8859-2?id=10707}
}

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