Nearly incompressible linear elasticity using five-node tetrahedral element based on smoothed finite element method

被引：0
|
作者：
Wang, Si-Zhao [1 ,2 ]
Zhang, Yi-Ping [1 ]
机构：
[1] College of Civil Engineering and Architecture, Zhejiang University, Hangzhou,310058, China
[2] Zhejiang Design Institute of Water Conservancy and Hydroelectric Power, Hangzhou,310002, China
来源：
Zhejiang Daxue Xuebao (Gongxue Ban)/Journal of Zhejiang University (Engineering Science) | 2015年 / 49卷 / 10期
关键词：
Locks (fasteners) - Numerical methods;
D O I：
10.3785/j.issn.1008-973X.2015.10.020
中图分类号：
O24 [计算数学];
学科分类号：
070102 ;
摘要：
A new five-node tetrahedral element (T5) was proposed. The area-weighted strain smoothing technique and the smoothed finite element method were introduced into T5 element. A volumetric locking-free scheme for three-dimensional tetrahedral meshes was proposed, which is the node-based selective domain-based strain smoothing scheme (T5-pNVW/NVW). The benchmark numerical examples show that the proposed method can solve the volumetric locking and the pressure oscillation compared to the node-based smoothed FEM using the four-node tetrahedral element (T4-NS). ©, 2015, Zhejiang University. All right reserved.
引用
收藏
页码：1967 / 1973
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