Wriggers, P.; Schröder, J.; Auricchio, F.: Finite element formulations for large strain anisotropic material with inextensible fibers. In: Advanced Modeling and Simulation in Engineering Sciences 3 (2016), No. 35. DOI: https://doi.org/10.1186/s40323-016-0079-3
Zusammenfassung: | |
Anisotropic material with inextensible fibers introduce constraints in the mathematical formulations. This is always the case when fibers with high stiffness in a certain direction are present and a relatively weak matrix material is supporting these fibers. In numerical solution methods like the finite element method the presence of constraints - in this case associated to a possible fiber inextensibility compared to a matrix - lead to so called locking-phenomena. This can be overcome by special interpolation schemes as has been discussed extensively for volume constraints like incompressibility as well as contact constraints. For anisotropic material behaviour the most severe case is related to inextensible fibers. In this paper a mixed method is developed that can handle anisotropic materials with inextensible fibers that can be relaxed to extensible fiber behaviour. For this purpose a classical ansatz, known from the modeling of volume constraint is adopted leading stable elements that can be used in the finite strain regime. | |
Lizenzbestimmungen: | CC BY 4.0 Unported |
Publikationstyp: | Article |
Publikationsstatus: | publishedVersion |
Erstveröffentlichung: | 2016 |
Die Publikation erscheint in Sammlung(en): | Fakultät für Maschinenbau |
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