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Document type:
Zeitschriftenaufsatz 
Author(s):
Apostolatos, Andreas; Bletzinger, Kai-Uwe; Wüchner, Roland 
Title:
Weak imposition of constraints for structural membranes in transient geometrically nonlinear isogeometric analysis on multipatch surfaces 
Abstract:
Membranes have been extensively used for the design of architectural and general structural models due to their low cost and high load carrying capacity. Traditionally such models were discretized using the standard low order Finite Element Method (FEM) which typically results in a compromised description of the geometry. However, the accurate geometric description of membrane structures is essential as for instance bifurcation points in geometrically nonlinear analysis may be inaccurately predi...    »
 
Keywords:
Non-matching parametrizations, NURBS-based isogeometric analysis, Multipatch geometries, Domain-decomposition methods, Form-finding, Transient nonlinear membrane analysis 
Journal title:
Computer Methods in Applied Mechanics and Engineering 
Year:
2019 
Print-ISSN:
0045-7825