Stiffness and damping identification from full field measurements on vibrating plates

Giraudeau, A., Guo, B. and Pierron, F. (2006) Stiffness and damping identification from full field measurements on vibrating plates. Experimental Mechanics, 46, (6), 777-787. (doi:10.1007/s11340-006-9477-7).


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The paper presents an experimental application of a method leading to the identification of the elastic and damping material properties of isotropic vibrating plates. The theory assumes that the searched parameters can be extracted from curvature and deflection fields measured on the whole surface of the plate at two particular instants of the vibrating motion. The experimental application consists in an original excitation fixture, a particular adaptation of an optical full-field measurement technique, a data preprocessing giving the curvature and deflection fields and finally in the identification process using the Virtual Fields Method (VFM). The principle of the deflectometry technique used for the measurements is presented. First results of identification on an acrylic plate are presented and compared to reference values. Results are discussed and improvements of the method are proposed.

Item Type: Article
Digital Object Identifier (DOI): doi:10.1007/s11340-006-9477-7
ISSNs: 0014-4851 (print)
1741-2765 (electronic)
Keywords: identification, virtual fields method, damping, forced vibrations, optical measurements, grid method, deflectometry, slope fields
Subjects: T Technology > TJ Mechanical engineering and machinery
Divisions : Faculty of Engineering and the Environment > Engineering Sciences > Engineering Materials Surface Engineering
ePrint ID: 210643
Accepted Date and Publication Date:
22 September 2006Published
3 March 2006Submitted
Date Deposited: 13 Mar 2012 14:27
Last Modified: 31 Mar 2016 13:49

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