Author(s)

L. Kukielka

Abstract

Numerical modeling: the contact problem of movable elasto/visco-plastic body L. Kukielka Department of Mechanical Engineering, The Technical University of Koszalin, Poland Abstract Thls paper presents the modelling of a contact problem in the operation of technological production of objects. An incremental model of the contact problem for movable elasto/visco-plastic body for spatial states (3D) is being considered. Geometrical contact conditions (GCC) for the case of a deformed object and a rigid or elastic tool, with a rotation and translation of the bodies are introduced. A GCC form used in numeric calculations is determined. Dependences between increments of unit forces in the contact area of bodies is introduced. Basic incremental equations of the edge displacement in the reversible and nonreversible zone are defined. The description of a geometrical contact conditions and friction conditions in the ranges of stick-slip are considered. The models obtained are used to a variational formula

Keywords