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Medientyp: E-Artikel Titel: Homogenization of thin structured sheet metals by using FEM Beteiligte: de Silva, Tina; Kühhorn, Arnold; Golze, Mark Erschienen: Wiley, 2012 Erschienen in: PAMM, 12 (2012) 1, Seite 227-228 Sprache: Englisch DOI: 10.1002/pamm.201210104 ISSN: 1617-7061 Schlagwörter: General Medicine Entstehung: Anmerkungen: Beschreibung: <jats:title>Abstract</jats:title><jats:p>Thin structured sheet metals promise high potential concerning lightweight design in industrial applications regarding the classical mechanical engineering and vehicle construction as well as the aeronautics.</jats:p><jats:p>Compared to flat, unstructured sheet metals the component stiffness and buckling behavior can significantly be improved by structuring especially in out of plane direction.</jats:p><jats:p>To be able to calculate the elastic behavior of large structures from structured sheet metals a mechanical surrogate model is developed which describes effectively average material parameters based on processes of homogenization.</jats:p><jats:p>For the surrogate properties symmetry and antisymmetry boundaries and periodic boundaries respectively are contemplated on elementary cells whose structural mechanical behavior is decisive.</jats:p><jats:p>By using an energetic approach [3] the stiffnesses of large plate and shell structures can be determined by a cooperatively small amount of finite elements. By means of these material properties elastic behavior can easily be calculated. With it an efficient numerical design is guaranteed.</jats:p><jats:p>This explained analysis can be applied to other periodically built up plate structures. (© 2012 Wiley‐VCH Verlag GmbH & Co. KGaA, Weinheim)</jats:p> Zugangsstatus: Freier Zugang