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Titel
Finite Element Method Simulations of the Delamination in Laminated Composite Structures / von Tilen Ceglar
Weitere Titel
Finite Element Method Simulations of the Delamination in Laminated Composite Structures
VerfasserCeglar, Tilen
Begutachter / BegutachterinPettermann, Heinz
ErschienenWien, 2017
Umfang81 Seiten
HochschulschriftTechnische Universität Wien, Diplomarbeit, 2017
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Abweichender Titel nach Übersetzung der Verfasserin/des Verfassers
SpracheEnglisch
DokumenttypDiplomarbeit
Schlagwörter (EN)Finite Element Method / laminated composite structure / delamination / embedding approach / cohesive zone / shell elements
URNurn:nbn:at:at-ubtuw:1-94500 Persistent Identifier (URN)
Zugriffsbeschränkung
 Das Werk ist frei verfügbar
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Finite Element Method Simulations of the Delamination in Laminated Composite Structures [19.02 mb]
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Zusammenfassung (Englisch)

Finite Element Method (FEM) simulations of the delamination in fabric laminates with complex topology require considerable computational power, in particular when material and interface nonlinearities are taken into account. A multi-scale embedding approach is presented which is capable to capture the nonlinear mechanisms inside textile plies while the computational eort is kept relative low. The approach is used to simulate the response of Double Cantilever Beam (DCB) tests and three point End Notch Flexure (ENF) tests. Delamination is evaluated in terms of nonlinear load displacement curves, critical energy release rates and dissipated energy. Besides the global response, local eects are investigated and the localized patterns of the various non- linear mechanisms are predicted. This way, detailed insight to the global delamination behaviour as well as the locally involved mechanics is obtained quantitatively.