遺伝的アルゴリズムによる位相速度の逆解析

• 山中 浩明

  鹿島・小堀研究室

• 石田 寛

  鹿島・技術研究所

書誌事項

タイトル別名

• PHASE VELOCITY INVERSION USING GENETIC ALGORITHMS
• イデンテキ アルゴリズム ニ ヨル イソウ ソクド ノ ギャク カイセキ

抄録

The applicability of genetic algorithms in an inversion of surface-wave phase velocities to infer an S-wave velocity profile was examined. S-wave velocities and thicknesses are coded to binary strings, and an individual model is generated by connecting all strings for a subsurface structure model. The fitness is defined by squared summation of differences between observed and calculated phase velocities. In addition to three basic genetic processes of selection, crossover, and mutation, the algorithm was improved by the introduction of elite selection rule and dynamic mutation in which the mutation probability varied according to the variety of individuals in a generation. We applied the method to the inversions of synthetic phase velocities and phase velocities from an actual array observation of long-period microtremors. These results indicate that the GA is highly applicable in phase velocity inversion.

収録刊行物

• 日本建築学会構造系論文集

  日本建築学会構造系論文集 60 (468), 9-17, 1995

  日本建築学会

キーワード

• 逆解析
• 遺伝的アルゴリズム
• 位相速度
• 表面波
• 微動
• 物理探査

詳細情報

• CRID: 1390282680614955392
• NII論文ID: 10003877348
• NII論文ID: 110004302919
• NII書誌ID: AN10438559
• DOI: 10.3130/aijs.60.9_2
• ISSN: 18818153
• ISSN: 13404202
• ISSN: http://id.crossref.org/issn/13404202
• NDL書誌ID: 3596021
• Web Site: https://ndlsearch.ndl.go.jp/books/R000000004-I3596021
• Web Site: https://www.jstage.jst.go.jp/article/aijs/60/468/60_KJ00004099994/_pdf
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • NDL
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可