Overview / Ernst Kesseler and Marin D. Guenov -- MDO at predesign stage / Marin D. Guenov [and others] -- Helicopter predesign strategy : design-to-mass or design-to-cost? / Jos Stevens [and others] -- Aeroelasticity and sizing in a multilevel modeling approach for preliminary design / Wolf R. Krüger [and others] -- Multidisciplinary wing design optimization / Martin Laban and Paul Arendsen -- Meta-modeling and multi-objective optimization in aeronautic MDO / W.J. Vankan, W. Lammen, and R. Maas -- Fuselage structure optimization / Stéphane Grihon [and others] -- Pylon multidisciplinary optimization / Stéphane Grihon [and others] -- Engine MDO deployed on a two-stage turbine / Roland Parchem [and others] -- Using the virtual-enterprise-collaboration hub for distributed engine optimization / Holger Wenzel [and others] -- Securing virtual-enterprise collaboration / Michel Kamel [and others] -- EDMRF to ensure partners' collaboration for multidisciplinary optimization / Frederic Féru [and others]