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 publicationReview of Progress in QuantitativeNondestructive Evaluation
Pages107-114
Number of pages8
DOIs
Publication statusPublished - Mar 24 2008
Externally publishedYes
Event34th Annual Review of Progress in Quantitative Nondestructive Evaluation - Golden, CO, United States
Duration: Jul 22 2007Jul 27 2007

Publication series

NameAIP Conference Proceedings
Volume975
ISSN (Print)0094-243X
ISSN (Electronic)1551-7616

Other

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

Keywords

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

ASJC Scopus subject areas

  • Physics and Astronomy(all)

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  • Cite this

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