A substructuring method for calculation of eigenvalue derivatives and eigenvector derivatives

Research output: Chapter in book / Conference proceedingConference article published in proceeding or bookAcademic researchpeer-review

5 Citations (Scopus)

Abstract

A substructuring method is proposed in the paper to calculate the eigenvalue derivatives and eigenvector derivatives of structures. The advantage of the new technique lies in that only the eigensensitivities of the substructures containing the design parameters of interest are calculated while eigensensitivities of other substructures not. The eigensensitivities of the global structure are assembled by performing some constraints on the eigensensitivities of the substructures at the interface. Consequently this can reduce the computation load significantly especially for model updating in which eigensolutions and eigensensitivities need to be calculated iteratively. Applications to a frame and a practical bridge structure show that the present substructuring approach is more computational efficient than the traditional global method.
Original languageEnglish
Title of host publicationStructural Health Monitoring of Intelligent Infrastructure - Proceedings of the 4th International Conference on Structural Health Monitoring of Intelligent Infrastructure, SHMII 2009
Publication statusPublished - 1 Dec 2009
Event4th International Conference on Structural Health Monitoring of Intelligent Infrastructure, SHMII 2009 - Zurich, Switzerland
Duration: 22 Jul 200924 Jul 2009

Conference

Conference4th International Conference on Structural Health Monitoring of Intelligent Infrastructure, SHMII 2009
Country/TerritorySwitzerland
CityZurich
Period22/07/0924/07/09

ASJC Scopus subject areas

  • Artificial Intelligence
  • Computer Networks and Communications
  • Information Systems and Management
  • Civil and Structural Engineering
  • Building and Construction

Cite this