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Damage Assessment in Thin Materials: Finite Element Investigation
Blekinge Institute of Technology, School of Engineering, Department of Mechanical Engineering.
2006 (English)Independent thesis Advanced level (degree of Master (One Year))Student thesis
Abstract [en]

This thesis describes the process of detection, and if possible, also localization of the damage in non structural sheet-like materials. Simulation and analysis is carried out in ABAQUS with a FE model that has the same dynamic characteristics as the corresponding real material. Three types of damage forms are investigated: crack, hole and local weakness. Results presented in the report show that global damage detection and localization in sheet-like structure by monitoring changes in the modal parameters is possible. Based on the results, this thesis provides a basis for development of global non-destructive health monitoring methods for materials having no bending stiffness.

Place, publisher, year, edition, pages
2006. , 72 p.
Keyword [en]
NDT, Finite Element, ABAQUS, Damage Assessment, Eigenvalue, Stiffness
National Category
Mechanical Engineering
URN: urn:nbn:se:bth-6009Local ID: diva2:833425
+46762374365Available from: 2015-04-22 Created: 2006-01-28 Last updated: 2015-06-30Bibliographically approved

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