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Abstract. The present study deals with the effects of contact characteristics on the vibratory response of a beam associated with several rubbing devices. Experimentally different contact configurations are tested by varying the contact area size and roughness of samples. For each tests, the frequency response functions (FRF) are measured and compared. Numerically, temporal calculations are presented and compared to measured data, using Masing's contact model with updated parameter values and averaged estimated values.4664