Finite-difference time-domain solution of second-order photoacoustic wave equation

• Autorzy: Rahimzadeh A. , Chen S.-L.

Identyfikatory

DOI

10.5277/oa160310

• Języki publikacji: EN

Abstrakty

EN

A finite-difference time-domain numerical solution is presented for solving a single second-order photoacoustic equation, instead of solving three coupled first-order equations. In this way, we are able to insert the heating function to the simulation directly instead of initial pressure. Results are validated using k-Wave simulation and show a good agreement for future development. The perfectly matched layer boundary condition has been implemented for a second-order photoacoustic equation and results are compared to Dirichlet, Neumann and Mur boundary conditions.

Słowa kluczowe

EN

photoacoustic tomography; numerical simulation; finite-difference time-domain; second-order photoacoustic equation

• Wydawca: Oficyna Wydawnicza Politechniki Wrocławskiej
• Czasopismo: Optica Applicata
• Rocznik: 2016
• Tom: Vol. 46, nr 3
• Strony: 435--446
• Opis fizyczny: Bibliogr. 13 poz., rys.

Twórcy

autor

Rahimzadeh A.

• University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China

autor

Chen S.-L.

• University of Michigan-Shanghai Jiao Tong University Joint Institute, Shanghai Jiao Tong University, Shanghai 200240, China

Bibliografia

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• [5]LEI YAO, HUABEI JIANG, Finite-element-based photoacoustic tomography in time domain, Journal of Optics A: Pure and Applied Optics 11(8), 2009, article 085301.
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• [7]TREEBY B.E., COX B.T., k-Wave: MATLAB toolbox for the simulation and reconstruction of photoacoustic wave field, Journal of Biomedical Optics 15(2), 2010, article 021314.
• [8]DENG-HUEI HUANG, CHAO-KANG LIAO, CHEN-WEI WEI, PAI-CHI LI , Simulations of optoacoustic wave propagation in light-absorbing media using a finite-difference time-domain method, The Journal of the Acoustical Society of America 117(5), 2005, pp. 2795–2801.
• [9]YAE-LIN SHEU, PAI-CHI LI, Simulations of photoacoustic wave propagation using a finite-difference time-domain method with Berenger’s perfectly matched layers, The Journal of the Acoustical Society of America 124(6), 2008, pp. 3471–3480.
• [10]WANG L.V., WU H.-I., Photoacoustic tomography, [In] Biomedical Optics, Wiley, 2009, pp. 283–321.
• [11]COURANT R., FRIEDRICHS K., LEWY H., Über die partiellen Differenzengleichungen der mathematischen Physik, Mathematische Annalen 100(1), 1928, pp. 32–74.
• [12]SANMIGUEL-ROJAS E., ORTEGA-CASANOVA J., DEL PINO C., FERNANDEZ-FERIA R., A Cartesian grid finite-difference method for 2D incompressible viscous flows in irregular geometries, Journal of Computational Physics 204(1), 2005, pp. 302–318.
• [13]KOMATITSCH D., TROMP J., A perfectly matched layer absorbing boundary condition for the second-order seismic wave equation, Geophysical Journal International 154(1), 2003, pp. 146–153.

Uwagi

Opracowanie ze środków MNiSW w ramach umowy 812/P-DUN/2016 na działalność upowszechniającą naukę.