Penalty coupling of trimmed isogeometric Kirchhoff–Love shell patches | Zendy

Davide Proserpio | Zendy; Josef Kiendl | Zendy

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Penalty coupling of trimmed isogeometric Kirchhoff–Love shell patches

Author(s) -

Davide Proserpio,

Josef Kiendl

Publication year - 2022

Publication title -

journal of mechanics

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.27

H-Index - 23

eISSN - 1811-8216

pISSN - 1727-7191

DOI - 10.1093/jom/ufac008

Subject(s) - isogeometric analysis , coupling (piping) , shell (structure) , parametric statistics , matching (statistics) , penalty method , computer science , mathematics , structural engineering , mathematical analysis , mathematical optimization , finite element method , mechanical engineering , engineering , statistics

We present a formulation for isogeometric Kirchhoff–Love shell analysis on complex CAD models consisting of multiple trimmed patches. The method is based on the penalty coupling method presented in Herrema AJ, Johnson EL, Proserpio D, Wu MCH, Kiendl J, Hsu MC (Penalty coupling of non-matching isogeometric Kirchhoff–Love shell patches with application to composite wind turbine blades. Computer Methods in Applied Mechanics and Engineering 2019;346:810–840.) and extended to the application on arbitrary coupling curves defined either in the physical or parametric space. We present the detailed formulation ready for implementation. Different numerical tests demonstrate the accuracy and applicability of the method.

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