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1993 Fiscal Year Final Research Report Summary

Theoretical and Experimental Study of Nonlinear Dynamic Behaviors of Spatial Structures

Research Project

Project/Area Number 04452244
Research Category

Grant-in-Aid for General Scientific Research (B)

Allocation TypeSingle-year Grants
Research Field Building structures/materials
Research InstitutionUniversity of Tokyo

Principal Investigator

HANGAI Yasuhiko  Institute of Industrial Science, University of Tokyo, Professor, 生産技術研究所, 教授 (90013193)

Co-Investigator(Kenkyū-buntansha) KAWAGUCHI Kenichi  Institute of Industrial Science, University of Tokyo, Lecturer, 生産技術研究所, 講師 (40234041)
Project Period (FY) 1992 – 1993
Keywordsshell / spatial structure / membrane structure / dynamic buckling / bifurcation / unstable structure / generalized inverse / rigid body displacement
Research Abstract

In the research study, the following two items about nonlinear dynamic behaviors of spatial structures were investigated from the theoretical and experimental view points.
(1) Dynamic Buckling of Shallow Structures under the Up-and Down Excitation
(2) Dynamic Behaviors of Kinematically Indeterminate
In item (1), the effects of shape of structure such as rise-to-span ratio, damping and type of excitation on the dynamic buckling load are numerically examined by using time histories which are obtained by the numerical integration for the geometrically nonlinear equations of motion. Dynamic buckling loads are estimated by the Budiansky-Roth criterion. Frequency-dependent characteristics of dynamic buckling load is shown.
In item (2), a numerical method using the generalized inverse theory for the dynamic analysis of kinematically indeterminate framework was presented. Kinematically indeterminate frame includes cable structures, membrane structures, movable structures such as foldable structures, space structures, etc., and is classified into 'Unstable Structural System." The present method can be effectively applied to analyze the dynamic behaviors of these structures. The validity of the present method is examined by comparing numerical results with the experimental results.

  • Research Products

    (14 results)

All Other

All Publications (14 results)

  • [Publications] 瀧諭,半谷裕彦: "上下動を受ける偏平アーチの動的座屈解析" 日本建築学会学術講演梗概集(関東). 1443-1444 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 半谷裕彦: "空間構造の形態解析" 生産研究. 45. 23-29 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 瀧諭,半谷裕彦: "Damping Effect on Indirect Snapping of Shallow Arch" Proceedings of SEIKEN-IASS Symposium. 561-568 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 川口,宮崎,半谷,田波: "不安定構造物の動的大変位解析における高次項の導入" 構造工学における数値解析法シンポジウム論文集. 16. 87-90 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 川口健一,宮崎賢一,半谷裕彦: "Dynamic Analysis of Kinematically Indeterminate Frameworks" Proceedings of the IASS-MSU Symposium. 569-576 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 宮崎賢一,半谷裕彦,川口健一: "Dynamic Analysis of Unstable Structural Systems" Proceedings of SEIKEN-IASS Symposium. 89-92 (1993)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] 半谷裕彦,田波徹行: "シェル・単層ラチス構造の振動解析" 日本建築学会編,丸善株式会社, 400 (1992)

    • Description
      「研究成果報告書概要(和文)」より
  • [Publications] S.Taki and Y.Hangai: "Dynamic Buckling Analysis of Shallow Arches under the Up-and-Down Excitation" Proceedings of the Annual Meeting of AIJ. 1443-1444 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y.Hangai: "Shape Analysis of Structures" SEISAN-KENKYU(Monthly Journal of Institute of Industrial Science, University of Tokyo). Vol.45. 23-29 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] S.Taki and Y.Hangai: "Damping Effect on Indirect Snapping of Shallow Arch" Proceedings of SEIKEN-IASS Symposium on Nonlinear Analysis and Design of Spatial Structures. 561-568 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Kawaguchi, K.Miyazaki, Y.Hangai and T.Tanami: "Introduction of Higher Order Terms into the Dynamic Large Displacement Analysis of Kinematically Indeterminate Structures" Proceedings of Symposium on Computational Methods in Structural Engineering and Related Fields. Vol.16. 87-90 (1992)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Kawaguchi, Y.Hangai and K.Miyazaki: "The Dynamic Analysis of Kinematically Indeterminate Frameworks" Proceedings of the IASS-MSU Symposium. 569-576 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] K.Miyazaki, Y.Hangai and K.Kawaguchi: "Dynamic Analysis of Unstable Structural System" Proceedings of SEIKEN-IASS Symposium on Nonlinear Analysis and Design of Spatial Structures. 89-92 (1993)

    • Description
      「研究成果報告書概要(欧文)」より
  • [Publications] Y.Hangai and T.Tanami: Vibration Analysis of Shell and Spatial Structures. Maruzen, (1992)

    • Description
      「研究成果報告書概要(欧文)」より

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Published: 1995-03-27  

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