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Damage Assessment in Thin Materials: Finite Element Investigation
Blekinge Tekniska Högskola, Sektionen för ingenjörsvetenskap, Avdelningen för maskinteknik.
2006 (engelsk)Independent thesis Advanced level (degree of Master (One Year))Oppgave
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.

sted, utgiver, år, opplag, sider
2006. , s. 72
Emneord [en]
NDT, Finite Element, ABAQUS, Damage Assessment, Eigenvalue, Stiffness
HSV kategori
Identifikatorer
URN: urn:nbn:se:bth-6009Lokal ID: oai:bth.se:arkivexD8482272EAAC3CE6C1257104006C2E7AOAI: oai:DiVA.org:bth-6009DiVA, id: diva2:833425
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+46762374365Tilgjengelig fra: 2015-04-22 Laget: 2006-01-28 Sist oppdatert: 2015-06-30bibliografisk kontrollert

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