Experimental validation of a nonparametric probabilistic model of nonhomogeneous uncertainties for dynamical systems

Abstract : The paper deals with an experimental validation of a nonparametric probabilistic model of nonhomogeneous uncertainties for dynamical systems. The theory used, recently introduced, allows model uncertainties and data uncertainties to be simultaneously taken into account. An experiment devoted to this validation was specifically developed. The experimental model is constituted of two simple dural rectangular plates connected together with a complex joint. In the mean mechanical model, the complex joint, which is constituted of two additional plates attached with 40 screw-bolts, is modeled by a homogeneous orthotropic continuous plate with constant thickness, as usual. Consequently, the mean model introduces a region (the joint) which has a high level of uncertainties. The objective of the paper is to present the experiment and the comparisons of the theoretical prediction with the experiments.
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H. Chebli, Christian Soize. Experimental validation of a nonparametric probabilistic model of nonhomogeneous uncertainties for dynamical systems. Journal of the Acoustical Society of America, Acoustical Society of America, 2004, 115 (2), pp.697-705. ⟨10.1121/1.1639335⟩. ⟨hal-00686209⟩

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