LEONARDO BUTTÀ PhD Student PhD program:: XLI email: leonardo.butta@uniroma1.it phone: 3246116002 building: RM035 (Palazzina E DIMA) supervisor: Prof. Franco Mastroddi advisor: Prof. Franco Mastroddi co-supervisor: Dott. Francesco Saltari Research: Nonlinear aeroelasticity of free-flying aircraft using a modal-invariant formulation in material coordinates