Journal
COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING
Volume 200, Issue 47-48, Pages 3410-3424Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.cma.2011.08.014
Keywords
Isogeometric analysis; NURBS; PHT-splines; T-meshes; Thin shell
Funding
- Research Training Group [1462, 220-200-72]
- Academic Research Collaboration (ARC)
- International Graduate School of Science and Engineering (IGSSE) at the Technische Universitat Munchen
- Vietnam National Foundation for Science and Technology Development (NAFOSTED) [107.02-2010.05]
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This paper presents a novel approach for isogeometric analysis of thin shells using polynomial splines over hierarchical T-meshes (PHT-splines). The method exploits the flexibility of T-meshes for local refinement. The main advantage of the PHT-splines in the context of thin shell theory is that it achieves C-1 continuity, so the Kirchhoff-Love theory can be used in pristine form. No rotational degrees of freedom are needed. Numerical results show the excellent performance of the present method. (C) 2011 Elsevier B.V. All rights reserved.
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