Abstract
Abstract Assembly simulation of parts with form defects using Skin Model Shapes (SMS) is much more difficult than the usual assembly of ideal models in a CAD system. Some research studies try to tackle this issue, but very few authors focus on form defect, multibody system and external forces and torques, all at once. Yet external forces are preponderant when considering the relative positioning of parts with form defects. The aim of the paper is to compare two different assembly simulation methods based on: (1) Linear Complementarity Condition (LCC), (2) elimination of contact configurations which are not in mechanical equilibrium. First, the two methods are introduced, and a theoretical comparison shows their differences. Next, several assembly cases are studied. Simulation results are compared to evaluate the proposed methods. The influences of form defect and assembly loads are emphasized through these cases.
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