Application of genetic algorithms to an inversion of surface-wave dispersion data

DOI PDF 被引用文献28件
  • Hiroaki Yamanaka
    Department of Environmental Physics and Engineering Interdisciplinary Graduate School of Science and Engineering Tokyo Institute of Technology 4259 Nagatsuta, Midori-ku, Yokohama Kanagawa 227 , Japan
  • Hiroshi Ishida
    Kajima Technical Research Institute Kajima Corp. 2-19-1 Tobitakyu, Chofu-shi Tokyo 182 , Japan

書誌事項

公開日
1996-04-01
DOI
  • 10.1785/bssa0860020436
公開者
Seismological Society of America (SSA)

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<jats:title>Abstract</jats:title> <jats:p>A new method for inversion of surface-wave dispersion data is introduced. This method successfully utilizes recently developed genetic algorithms as a global optimization method. Such algorithms usually consist of selection, crossover, and mutation of individuals in a population. To facilitate convergence to an optimal solution, we added elite selection, which ensures that the “best” individual with the smallest misfit value is not excluded from the succeeding generation, and dynamic mutation, which contains a generation-variant mutation probability. Using synthetic and observed earthquake data, we examined the applicability of this genetic surface-wave inversion method in deducing an S-wave profile for sedimentary layers from short- and intermediate-period surface-wave dispersion data. We demonstrated that the method is robust and can be used to interpret surface-wave dispersion data.</jats:p>

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