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Non-linear computational homogenization experiments

Stavroulakis Georgios, Giannis Konstantinos, Drosopoulos Georgios, Stavroulaki Maria

Απλή Εγγραφή


URIhttp://purl.tuc.gr/dl/dias/9D3019B4-7879-4E1F-9845-E53693BB1717-
Αναγνωριστικόhttps://www.comsol.fr/paper/download/182535/stavroulakis_paper.pdf-
Γλώσσαen-
Μέγεθος7 pagesen
ΤίτλοςNon-linear computational homogenization experimentsen
ΔημιουργόςStavroulakis Georgiosen
ΔημιουργόςΣταυρουλακης Γεωργιοςel
ΔημιουργόςGiannis Konstantinosen
ΔημιουργόςΓιαννης Κωνσταντινοςel
ΔημιουργόςDrosopoulos Georgiosen
ΔημιουργόςΔροσοπουλος Γεωργιοςel
ΔημιουργόςStavroulaki Mariaen
ΔημιουργόςΣταυρουλακη Μαριαel
ΠερίληψηNumerical homogenization is based on the usage of finite elements for the description of average properties of materials with heterogeneous microstructure. The practical steps of the method and representative examples related to masonry structures are presented in this paper. The non-linear Representative Volume Element (RVE) of the masonry is created and solved within COMSOL Multiphysics. Parametric analysis has been chosen and used for the description of the loading. Thus, several RVE models with gradually increasing loading are solved. Results concerning the average stress and strain in the RVE domain are then calculated, by using the subdomain integration of COMSOL. In addition, the tangent stiffness is estimated for each loading path and loading level. Finally, two databases for the tangent stiffness and the stress are created, metamodels based on MATLAB interpolation are used, and an overall non-linear homogenization procedure of masonry macroscopic structures, in a FEM2 approach, is considered. Results are compared with direct heterogeneous macro models.en
ΤύποςΠλήρης Δημοσίευση σε Συνέδριοel
ΤύποςConference Full Paperen
Άδεια Χρήσηςhttp://creativecommons.org/licenses/by/4.0/en
Ημερομηνία2015-10-12-
Ημερομηνία Δημοσίευσης2013-
Θεματική ΚατηγορίαGreek mathematicsen
Θεματική Κατηγορίαmathematics greeken
Θεματική Κατηγορίαgreek mathematicsen
Βιβλιογραφική ΑναφοράG. E. Stavroulakis, K. Giannis, G. A. Drosopoulos and Maria E. Stavroulaki, "Non-linear computational homogenization experiments" in COMSOL Conference in Rotterdam, 2013.en

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