Order reduction method for locking free isogeometric analysis of Timoshenko beams
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- 作者：Ping Hu ; Qingyuan Hu ; Yang Xia ; yangxia@dlut.edu.cn" class="auth_mail" title="E-mail the corresponding author
- 关键词：Isogeometric ; Timoshenko beam ; Shear locking ; Order reduction ; Least square approximation ; Quasi-conforming
- 刊名：Computer Methods in Applied Mechanics and Engineering
- 出版年：2016
- 出版时间：15 August 2016
- 年：2016
- 卷：308
- 期：Complete
- 页码：1-22
- 全文大小：1058 K
文摘
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Order reduction method is proposed to overcome locking.
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Better accuracy for strains is obtained compared with classical IGA.
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Least square approximation is applied to assure the consistency between modified and original strains.