The Failure Criterion of Single-Layer Spherical Lattice Shell Based on Kinetic Energy

被引：2

作者：

Ba, Panfeng ^{[1
]}

Zhang, Yigang ^{[1
]}

Wu, Jinzhi ^{[1
]}

Zhang, Zhihao ^{[1
]}

机构：

[1] Beijing Univ Technol, Spatial Struct Res Ctr, Beijing 100124, Peoples R China

来源：

MATHEMATICAL PROBLEMS IN ENGINEERING | 2015年 / 2015卷

关键词：

Kinetics; -; Spheres; Shells; (structures); Fracture;

D O I：

10.1155/2015/485710

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

The dynamic failure criterion of single-layer spherical lattice shells has been an important research subject. The paper examines dynamic failures of single-layer spherical lattice shells and proposes the structure dynamic failure criterion based on the kinetic energy. The failure criterion was demonstrated through the dynamic failure test on a single-layer spherical lattice shell. Then, simulation analysis was carried out through two cases with material damage taken into account. The proposed failure criterion can accurately identify failure moments caused either by strength fracture or by stability fracture.

引用

页数：7

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