A direct differentiation formulation of electromechanical sensitivity analysis for rough surfaces in contact

Authors:
G. Rauchs
Affiliations:
Department of Advanced Materials and Structures, Centre de Recherche Public Henri Tudor, Esch/Uelzecht, Grand Duchy of Luxembourg 4002
Venue:
Computational Mechanics
Year:
2012

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Abstract

In this article, the electromechanical sensitivity analysis of a rough surface contact law with respect to its governing parameters is developed using the direct differentiation method. The numerical accuracy of the method is assessed in two numerical examples. Finally, the identifiability of surface roughness parameters using an inverse method based on numerical optimization is investigated using pseudo-experimental input data.