Off-center impact of an elastic column by a rigid mass

被引：2
|
作者：
Rezvanian, M. [1 ]
Baghestani, A. M. [1 ]
Pazhooh, M. Danesh [1 ]
Fariborz, S. J. [1 ]
机构：
[1] Amirkabir Univ Technol, Tehran Polytech, Dept Mech Engn, Tehran, Iran
来源：
MECHANICS RESEARCH COMMUNICATIONS | 2015年 / 63卷
关键词：
Column; Rigid mass; Impact; Off-center; Contact duration; AXIAL IMPACT; CANTILEVER COLUMN;
D O I：
10.1016/j.mechrescom.2014.11.006
中图分类号：
O3 [力学];
学科分类号：
08 ; 0801 ;
摘要：
Based on the Timoshenko beam model the equations of motion are obtained for large deflection of off-center impact of a column by a rigid mass via Hamilton's principle. These are a set of coupled nonlinear partial differential equations. The Newmark time integration scheme and differential quadrature method are employed to convert the equations into a set of nonlinear algebraic equations for displacement components. The equations are solved numerically and the effects of weight and velocity of the rigid mass and also off-center distance on deformation of the column are studied. (C) 2014 Elsevier Ltd. All rights reserved.
引用
收藏
页码：21 / 25
页数：5
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