Modeling, Propagation and Quantification of Uncertainties. Uncertainty Modeling / Christian Gogu --Microstructure Modeling and Characterization / Francois Willot -- Uncertainty Propagation at the Scale of Aging Civil Engineering Structures / David Bouhjiti, Julien Baroth, Frederic Dufour -- Reduction of Uncertainties in Multidisciplinary Analysis Based on a Polynomial Chaos Sensitivity Study / Sylvain Dubreuil, Nathalie Bartoli, Christian Gogu, Thierry Lefebvre -- Taking Uncertainties into Account: Reliability Analysis and Optimization under Uncertainties. Rare-event Probability Estimation / Jean-Marc Bourinet -- Adaptive Kriging-based Methods for Failure Probability Evaluation: Focus on AK Methods / Cecile Mattrand, Pierre Beaurepaire, Nicolas Gayton -- Global Reliability-oriented Sensitivity Analysis under Distribution Parameter Uncertainty / Vincent Chabridon, Mathieu Balesdent, Guillaume Perrin, Jerome Morio, Jean-Marc Bourinet, Nicolas Gayton -- Stochastic Multiobjective Optimization: A Descent Algorithm / Quentin Mercier, Fabrice Poirion.