Within the scope of the simulation of assemble/disassembly operations, flexible parts modelling for virtual reality environments is described in the present paper. The study described analyzes the adequacy of various mechanical models in the specific context of oil hoses. The model behaviour is checked against experiments for validation. As an issue of this comparison, a mechanical model is proposed through the concept of a dual mechanical approach. The adequacy of this lust model is deduced from the experimental data. The mechanical model introduced is coupled with a geometric model for free-form surfaces. The deformation Criterion set up uses a functional based on the external forces applied to the mechanical model.
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