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Modal Analysis of Thin Plates with Damage Simply Supported on all Edges

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Author(s): Cornel Hatiegan | Gilbert-Rainer Gillich | Nicoleta Gillich | Marius Tufoi | Mihaela Raduca

Journal: Analele Universităţii Eftimie Murgu Reşiţa. Fascicula de Inginerie
ISSN 1453-7397

Volume: XX;
Issue: 1;
Start page: 117;
Date: 2013;
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Keywords: thin plates | natural frequency | vibration | damage

ABSTRACT
This paper presents the natural frequencies obtained by modal analysis for five types of rectangular thin plates. These plates are simple supported on all edges, and are without damage, with a lateral damage and with a damage placed in the in center, in both cases two types of damage being used. We compared the results and highlighting the way how natural frequencies changes due to damage.
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