Multidisciplinary design optimization# Coupling visualization Dependency graph Coupling graph visualization N2 chart visualization MDO formulations Available formulations in GEMSEO MDF IDF Bi level XDSM visualization Multi Disciplinary Analyses Non-linear solver algorithms Composed MDA methods MDA classes organization Execution of MDAs Advanced features How to deal with post-processing What data to post-process? Illustration on the Sobieski use case How to apply a post-process feature? Algorithms