A large scale analysis for ultrasonic wave propagation using parallelized FDTD method

K. Nakahata, J. Tokunaga, K. Kimoto, S. Hirose

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Abstract

A finite difference time domain method (FDTD) is based on a grid-based time domain differential technique, in which wave equations are solved in a leapfrog manner. It is required to discretize a whole target domain into computational grids with an adequate size. Therefore computational burden increases if the computational domain is much larger than the wave length. To solve such a large-scale problem in high speed, we apply a parallel computing technique to the FDTD. OpenMP is an interface to execute program codes in parallel using a shared memory system of computers. As an example of large-scale analysis, SH wave propagations in concrete material are demonstrated in this study.

Original languageEnglish
Title of host publicationAIP Conference Proceedings
Pages107-114
Number of pages8
Volume975
DOIs
Publication statusPublished - 2008
Externally publishedYes
Event34th Annual Review of Progress in Quantitative Nondestructive Evaluation - Golden, CO, United States
Duration: Jul 22 2007Jul 27 2007

Other

Other34th Annual Review of Progress in Quantitative Nondestructive Evaluation
CountryUnited States
CityGolden, CO
Period7/22/077/27/07

Fingerprint

ultrasonic radiation
finite difference time domain method
wave propagation
computational grids
SH waves
wave equations
grids
high speed

Keywords

  • FDTD
  • Inhomogeneous material
  • OpenMP
  • Parallel computing
  • Ultrasonic wave propagation

ASJC Scopus subject areas

  • Physics and Astronomy(all)

Cite this

Nakahata, K., Tokunaga, J., Kimoto, K., & Hirose, S. (2008). A large scale analysis for ultrasonic wave propagation using parallelized FDTD method. In AIP Conference Proceedings (Vol. 975, pp. 107-114) https://doi.org/10.1063/1.2902552

A large scale analysis for ultrasonic wave propagation using parallelized FDTD method. / Nakahata, K.; Tokunaga, J.; Kimoto, K.; Hirose, S.

AIP Conference Proceedings. Vol. 975 2008. p. 107-114.

Research output: Chapter in Book/Report/Conference proceedingConference contribution

Nakahata, K, Tokunaga, J, Kimoto, K & Hirose, S 2008, A large scale analysis for ultrasonic wave propagation using parallelized FDTD method. in AIP Conference Proceedings. vol. 975, pp. 107-114, 34th Annual Review of Progress in Quantitative Nondestructive Evaluation, Golden, CO, United States, 7/22/07. https://doi.org/10.1063/1.2902552
Nakahata K, Tokunaga J, Kimoto K, Hirose S. A large scale analysis for ultrasonic wave propagation using parallelized FDTD method. In AIP Conference Proceedings. Vol. 975. 2008. p. 107-114 https://doi.org/10.1063/1.2902552
Nakahata, K. ; Tokunaga, J. ; Kimoto, K. ; Hirose, S. / A large scale analysis for ultrasonic wave propagation using parallelized FDTD method. AIP Conference Proceedings. Vol. 975 2008. pp. 107-114
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