Contact problems with friction in general purpose finite element computer programs

Abstract A combined incremental and iterative procedure for analysis of elastostatic contact problem is presented. The method suggested may with rather small efforts be implemented in any general purpose finite element computer program. Most of the routines required by the method do already exist in a general finite element routine library. Examples of modules required are multilevelled substructuring, structural stiffness matrix assembly routines and a solver for symmetric system matrices. A wide class of ordinary elements can be used in the discretization of the the contact surfaces. Only translational freedoms are treated as unknowns in the iterative procedure. The accuracy and efficiency of the method has been verified in several applications as for example three-dimensional roller bearing calculations and shear loaded bolted joints.

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