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Mode shape expansion using perturbed force vector approach

Mode shape expansion using perturbed force vector approach

Chen, Hua-Peng (2008) Mode shape expansion using perturbed force vector approach. In: Sixteenth UK Conference of the Association of Computational Mechanics in Engineering (ACME UK), 1-2 Apr 2008, Newcastle upon Tyne, UK. (Unpublished)

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Abstract

A new technique for mode shape expansion in structural dynamic applications is presented based on the perturbed force vector approach. The proposed technique can directly adopt the measured incomplete modal data and include the effect of the perturbation between the analytical and test models. The results show that the proposed technique can provide very accurate expanded mode shapes, especially in cases when significant modelling error exists in the analytical model and limited measurements are available.

Item Type: Conference or Conference Paper (Paper)
Additional Information: [1] Paper presented at The Sixteenth UK Conference of the Association of Computational Mechanics in Engineering (ACME UK), held 1-2 April 2008, Newcastle unon Tyne, UK.
Uncontrolled Keywords: dynamics perturbation theory, modelling error, mode shape expansion, model testing
Subjects: T Technology > T Technology (General)
T Technology > TJ Mechanical engineering and machinery
T Technology > TA Engineering (General). Civil engineering (General)
Pre-2014 Departments: School of Engineering
School of Engineering > Department of Civil Engineering
Related URLs:
Last Modified: 14 Oct 2016 09:07
Selected for GREAT 2016: None
Selected for GREAT 2017: None
Selected for GREAT 2018: None
URI: http://gala.gre.ac.uk/id/eprint/2636

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