THE EFFECT OF INCLINED LOADS ON THE LARGE DEFLECTION BEHAVIOR OF ELASTOPLASTIC WORK-HARDENING STRAIGHT AND PRE-BENT CANTILEVERS

被引:9
作者
LIU, JH
ATKINS, AG
PRETLOVE, AJ
机构
[1] Department of Engineering, University of Reading
关键词
CANTILEVER; INCLINED LOADS; ELASTOPLASTIC DEFORMATION; LINEAR STRAIN HARDENING;
D O I
10.1243/PIME_PROC_1995_209_128_02
中图分类号
TH [机械、仪表工业];
学科分类号
0802 ;
摘要
A theoretical analysis is presented to examine the effect of inclined tip load on the large deflection behaviour of an elastoplastic cantilever with linear work hardening. The cantilever is either initially straight or pre-bent to a tip angle of phi (see Fig. 1). When the load is large enough, the overall deformation of a pre-bent cantilever is smaller than that of an initially straight one as a result of the influence of the guided end. The maximum plastic region s(pm) in the cantilever increases with the force angle phi and the plastic-elastic modulus ratio alpha, but decreases as the beam flexibility parameter beta increases. Some unstable deformation may occur in the initially straight cantilever when phi > pi/2 and this depends on the value of alpha and beta. Reasonable agreement is obtained between the theoretical analysis and experimental results.
引用
收藏
页码:87 / 96
页数:10
相关论文
共 5 条
[1]  
Frisch-Fay R., Flexible bars, (1962)
[2]  
Reid S.R., Reddy T.Y., Effect of strain hardening on the large plastic deformation of a cantilever, Trans. ASME J. Appl. Mech, 45, pp. 953-955, (1978)
[3]  
Wu S., Yu T.X., The complete process of large elastic-plastic deflection of a cantilever, Acta Mech. Sinica, 2, pp. 333-347, (1986)
[4]  
Liu J.H., Stronge W.J., Yu T.X., Large deflections of an elastoplastic strain-hardening cantilever, Trans. ASME J. Appl. Mech, 56, pp. 737-743, (1989)
[5]  
Muscat-Fenech C.M., PhD dissertation, University of Reading, (1992)