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Kreikemeier, Janko und Gabbert , Ulrich (2010) A two scale finite element approach for the fracture and damage analysis of composite materials. 23rd International Workshop Research in Mechanics of Composites, 29.11.2010 - 01.12.2010, Bad Herrenalb, Deutschland.
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Kurzfassung
The presentation deals with a two scale finite element model which was developed to describe and analyse the anisotropic damage state of fibre reinforced composite materials. The thermodynamical consistent formulation is based on the standard continuum mechanics framework of finite deformations. The damage onset is measured by means of the maximum principal stress criterion of the true Cauchy stress tensor. The corresponding eigendirection is used as the crack propagation direction. The coupling of the macro scale and the micro scale is carried out by means of the UMAT utility of the commercial finite element system Abaqus. The properties of the viscous regularization, which is necessary to ensure the well posedness of the underlying boundary value problem will be highlighted before further examples show the applicability of the two scale approach.
| Dokumentart: | Konferenzbeitrag (Vortrag) | |||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| Titel: | A two scale finite element approach for the fracture and damage analysis of composite materials | |||||||||
| Autoren: |
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| Datum: | November 2010 | |||||||||
| Referierte Publikation: | Ja | |||||||||
| In Open Access: | Nein | |||||||||
| In SCOPUS: | Nein | |||||||||
| In ISI Web of Science: | Nein | |||||||||
| Stichwörter: | Multi Scale FEA, Damage Propagation | |||||||||
| Veranstaltungstitel: | 23rd International Workshop Research in Mechanics of Composites | |||||||||
| Veranstaltungsort: | Bad Herrenalb, Deutschland | |||||||||
| Veranstaltungsart: | internationale Konferenz | |||||||||
| Veranstaltungsdatum: | 29.11.2010 - 01.12.2010 | |||||||||
| HGF - Forschungsbereich: | Verkehr und Weltraum (alt) | |||||||||
| HGF - Programm: | Luftfahrt | |||||||||
| HGF - Programmthema: | Starrflügler (alt) | |||||||||
| DLR - Schwerpunkt: | Luftfahrt | |||||||||
| DLR - Forschungsgebiet: | L AR - Starrflüglerforschung | |||||||||
| DLR - Teilgebiet (Projekt, Vorhaben): | L - Simulation & Validierung (alt) | |||||||||
| Standort: | Braunschweig | |||||||||
| Institute & Einrichtungen: | Institut für Faserverbundleichtbau und Adaptronik > Strukturmechanik | |||||||||
| Hinterlegt von: | Ries, Doris | |||||||||
| Hinterlegt am: | 06 Dez 2010 11:02 | |||||||||
| Letzte Änderung: | 06 Dez 2010 11:02 |
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