213 き裂を有する変断面はりの GA による逆解析

• 堀辺 忠志

  茨城大学

• 浅野 直輝

  茨城大学

• 岡村 弘之

  東京理科大

書誌事項

タイトル別名

• Crack Identification of Tapered Cracked Beam using Genetic Algorithm

抄録

This paper describes a study on an inverse analysis method to identify the crack parameters of non-uniform beams by the simple genetic algorithm. The crack is simulated by an equivalent rotational spring model. By using this approximate model, a characteristic equation to calculate the natural frequencies of the system are derived employing the Rayleigh-Ritz method. In order to identify the crack location and the depth of the beam from frequency measurements, objective function that consists of the sum of square errors of frequencies is formed. The genetic algorithm is used to search the minimum value of the objective function. The proposed method is verified by the numerical simulation of some sample problems.

収録刊行物

• 最適化シンポジウム講演論文集

  最適化シンポジウム講演論文集 2000.4 (0), 269-274, 2000

  一般社団法人 日本機械学会

キーワード

• Free Vibration
• Eigenvalue Analysis
• Non-uniform Beam with a Crack
• Inverse Problem
• Crack Identification
• Genetic Algorithm

詳細情報

• CRID: 1390282680919000832
• NII論文ID: 110002486427
• DOI: 10.1299/jsmeoptis.2000.4.269
• ISSN: 24243019
• Web Site: https://www.jstage.jst.go.jp/article/jsmeoptis/2000.4/0/2000.4_269/_pdf
• 本文言語コード: ja
• データソース種別:
  • JaLC
  • Crossref
  • CiNii Articles
• 抄録ライセンスフラグ: 使用不可