Solution of elastic impact problem between particle and Euler-Bernoulli beam

被引：0

作者：

Bao, Si-Yuan ^{[1
]}

Deng, Zichen

Chen, Xuyuan ^{[1
]}

机构：

[1] Univ Suzhou Technol & Sci, JiangSu Key Lab Struct Engn, Suzhou 215011, Peoples R China

来源：

PROCEEDINGS OF THE INTERNATIONAL CONFERENCE ON MECHANICAL ENGINEERING AND MECHANICS 2007, VOLS 1 AND 2 | 2007年

关键词：

DMSM; elastic impact; the precise integration method; Euler-Bernoulli beam;

D O I：

暂无

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

Two types of solutions in elastic impact of particle-beam structure using DMSM (Direct Mode Superposition Method) are presented, that is, an analytical method and a numerical method respectively. Considering the impactor and the target as an integrated vibration :system, the impact problem is transformed into a vibration problem. Two types of solutions of the impact problem are presented based on DMSM, and the responses are expressed by means of Duhamel integration and PIM (the precise integration method) respectively. For the beam impact problem by particle at an arbitrary point, the result by means of Duhamel integration is simple. Numerical results show that the displacement and shear force converges faster than the moment. Compared with the normal integration methods, PIM can filter the false high frequency mode. This is one of its advantages. Furthermore, RIM has other characteristics such as with little limitation of time step selection, of high precision and unconditionally stable.

引用

页码：1326 / 1330

页数：5

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