Wave propagation in plate structures for crack detection

Authors:
Marek Krawczuk;Magdalena Palacz;Wiesław Ostachowicz
Affiliations:
Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, Poland and Faculty of Electrical and Control Engineering, Technical University of Gdansk, Narutowicza 11/1 ...;Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, Poland;Institute of Fluid Flow Machinery, Polish Academy of Sciences, Fiszera 14, 80-231 Gdansk, Poland
Venue:
Finite Elements in Analysis and Design
Year:
2004

Citing 1
Cited 1

Application of spectral beam finite element with a crack and iterative search technique for damage detection

Finite Elements in Analysis and Design

Damage detection of structures using spectral finite element method

Computers and Structures

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Abstract

This paper presents the method of analysis of the wave propagation process in cracked plates. For modelling the plate new type of finite spectral plate element with a crack was elaborated. It was assumed that the crack having an arbitrary length, depth and location was parallel to one side of the plate. Elastic behaviour of the plate at the crack location was considered as a line spring with a varying stiffness along the crack length.