Publisher DOI: 10.1016/j.cma.2022.115856
Title: Immersed isogeometric analysis based on a hybrid collocation/finite cell method
Language: English
Authors: Torre, Michele 
Morganti, Simone 
Pasqualini, Francesco S. 
Düster, Alexander 
Reali, Alessandro 
Keywords: Finite cell method; Hybrid isogeometric collocation; Immersed method; Isogeometric analysis; Trimmed surface
Issue Date: 15-Feb-2023
Source: Computer Methods in Applied Mechanics and Engineering 405: 115856 (2023-02-15)
Abstract (english): 
We propose an immersed approach for the isogeometric collocation method, combined with the Galerkin-based finite cell method, to avoid the subdivision of complex geometries in too many patches. The presented technology further develops the hybrid collocation concept to accommodate both numerical methods within a single framework, providing a systematic technique for selecting the method to be used. We perform several numerical tests to demonstrate that the methodology guarantees the same convergence rates obtained using the standard isogeometric collocation method.
ISSN: 0045-7825
Journal: Computer methods in applied mechanics and engineering 
Institute: Konstruktion und Festigkeit von Schiffen M-10 
Document Type: Article
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