ANALYSIS OF CONTACT THROUGH FINITE-ELEMENT GAPS

被引:45
作者
STADTER, JT
WEISS, RO
机构
[1] Aeronautics Division, The Johns Hopkins University Applied Physics Laboratory, Laurel
关键词
D O I
10.1016/0045-7949(79)90055-5
中图分类号
TP39 [计算机的应用];
学科分类号
081203 ; 0835 ;
摘要
A numerical technique is described for analyzing contact of disconnected structures through the use of finite element gaps. A special gap element is used, together with a stress invariance principle, to model the contact process. The solution is achieved through an iterative procedure which adjusts the modulus of the gap elements. The numerical procedure is described and results are given for two problems of differing complexity. The first is a classical Hertz problem involving contact between a sphere and a rigid plane. The second problem is concerned with the thermostructural analysis of the beat shield for a Radioisotope Thermoelectric Generator design. © 1979.
引用
收藏
页码:867 / 873
页数:7
相关论文
共 15 条
[1]  
Crose, Jones, SAAS III—Finite Element Analysis of Axisymmetric and Plane Solids with Different Orthotropic, Temperature Dependent Material Properties in Tension and Compression, Air Force Rep. No. SAMSO-TR-71-103, (1971)
[2]  
Stadter, Weiss, Thermal Stress Analyses and the SAAS III Code: Modification for a Stress-Resultant Boundary Condition, APL/JHU Rep. ANSP-022, (1973)
[3]  
Lubkin, Contact problems, Handbook of Engineering Mechanics, (1962)
[4]  
Singh, Paul, Numerical solution of non-Hertzian elastic contact problems, Journal of Applied Mechanics, 96, 3, pp. 484-490, (1974)
[5]  
Haug, Chand, Pan, Multibody elastic contact analysis by quadratic programming, J. Opt. Theory Appl., 21, pp. 189-198, (1977)
[6]  
Newman, Analysis of problems involving nonlinear boundary conditions and nonlinear material properties, Numerical Solution of Nonlinear Structural Problems, (1973)
[7]  
Chan, Tuba, A finite element method for contact problems of solid bodies—I, Int. J. Mech. Sci., 13, pp. 615-625, (1971)
[8]  
Tsuta, Yamaji, Finite element analysis of contact problem, Theory and Practice in Finite Element Structural Analysis, (1973)
[9]  
Francavilla, Zienkiewicz, A note on numerical computation of elastic contact problems, Int. J. Num. Meth. Engng, 9, pp. 913-924, (1975)
[10]  
Fredriksson, Finite element solution of surface non-linearities in structural mechanics with special emphasis to contact and fracture mechanics problems, Comput. Structures, 6, pp. 281-290, (1976)