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ON LARGE DEFORMATION UNILATERAL CONTACT PROBLEM WITH FRICTION(Ⅰ)—INCREMENTAL VARIATIONAL EQUATIONS
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作者 尚勇 陈至达 《Applied Mathematics and Mechanics(English Edition)》 SCIE EI 1989年第12期1107-1117,共11页
Based on the theory and technique of nonlinear geometric field theory of continuum, a more general incremental variational equation for elastic and plastic large deformation in co-moving coordinate is established in t... Based on the theory and technique of nonlinear geometric field theory of continuum, a more general incremental variational equation for elastic and plastic large deformation in co-moving coordinate is established in this paper. An expression for two and three-ditnensicnal continua is derived, and the incremental variational equation for large deformation of changing boundary contact and the variational inequality in rate form tire obtained, which provides the theoretical basis for the computation of elastic-plastic large deformation contact problem with friction. 展开更多
关键词 INCREMENTAL VARIATIONAL EQUATIONS ON LARGE DEFORMATION UNILATERAL contact problem with friction
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SOLVING CONTACT PROBLEM WITH FRICTION BY A NEW FAST BOUNDARY ELEMENT METHOD
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作者 Huang, Qingxue Du, Qungui Shen, Guangxian 《Chinese Journal of Mechanical Engineering》 SCIE EI CAS CSCD 1998年第3期38-43,共6页
The formulation of boundary element method for handling contact problems with friction and the technique for high speed contact analysis are presented. This formulation is based on the idea of modifying the length of... The formulation of boundary element method for handling contact problems with friction and the technique for high speed contact analysis are presented. This formulation is based on the idea of modifying the length of contact elements without altering the total number of elements. The high precision of solution and high speed analysis are verified according to the results of conventional method and analysis method. 展开更多
关键词 contact problem with friction Boundary element method High speed iteration
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