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Title: Isogeometric analysis of large-deformation thin shells using RHT-splines for multiple-patch coupling
Authors: Nguyen-Thanh
Issue Date: 2017
Abstract: We present an isogeometric thin shell formulation for multi-patches based on rational splines over hierarchical T-meshes (RHT- splines). Nitsche’s method is employed to efficiently couple the patches. The RHT-splines have the advantages of allowing a computationally feasible local refinement, are free from linear dependence, possess high-order continuity and satisfy the partition of unity and non-negativity. In addition, the C 1 continuity of the RHT-splines avoids the rotational degrees of freedom. The good performance of the present method is demonstrated by a number of numerical examples.
Type: article
Appears in Collections:FIS - Publicações - Artigos em Revistas Internacionais Com Arbitragem Científica

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