Blended isogeometric shells

被引：131

作者：

Benson, D. J. ^{[1
]}

Hartmann, S. ^{[2
]}

Bazilevs, Y. ^{[1
]}

Hsu, M. -C. ^{[3
]}

Hughes, T. J. R. ^{[3
]}

机构：

[1] Univ Calif San Diego, Dept Struct Engn, La Jolla, CA 92093 USA

[2] DYNAmore GmbH, D-70565 Stuttgart, Germany

[3] Univ Texas Austin, Inst Computat Engn & Sci, Austin, TX 78712 USA

来源：

COMPUTER METHODS IN APPLIED MECHANICS AND ENGINEERING | 2013年 / 255卷

关键词：

Isogeometric analysis; NURBS; Shells; Rotation-free; Nonlinear; ELEMENT; FORMULATION; INTEGRATION; ALGORITHM; DYNAMICS;

D O I：

10.1016/j.cma.2012.11.020

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

We propose a new isogeometric shell formulation that blends Kirchhoff-Love theory with Reissner-Mindlin theory. This enables us to reduce the size of equation systems by eliminating rotational degrees of freedom while simultaneously providing a general and effective treatment of kinematic constraints engendered by shell intersections, folds, boundary conditions, the merging of NURBS patches, etc. We illustrate the blended theory's performance on a series of test problems. (C) 2012 Elsevier B.V. All rights reserved.

引用

页码：133 / 146

页数：14

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