A die angle is one of the most important parameters for a drawing process. It should be chosen in that way that a draw stress is low, a wire surface quality is satisfactory and die durability is high [1]. The temperature of a wire in deformation zone depends on amounts of heat generated during a drawing. This heat consists of two components; one is the work piece deformation and another is fric...

This paper presents an impulse-based model for n-body collisions with or without friction. In the frictionless case, impulses at all the contacts, initialized from solution of a non-linear system, accumulate over different phases (compression and restitution) tracked through numerical integration. Validation over Newton’s cradle is conducted using vision-based velocity estimation with high accu...