Hertz Formulation

Block Format Keyword The formulation is similar to a penalty formulation; but with a physical penalty stiffness based on Hertz contact theory.

Table 1. Interface Type with Hertz Formulation
Contact Treatment Types Application Description
Hertz Formulation Slide / Void /INTER/HERTZ/TYPE17 Meshes with 16-node thick-shell or 20 bricks Using Hertz contact theory to describe impact between external surface of two brick groups.