Fluid-structure interactions

• Acquire the knowledge necessary to identify situations that could potentially generate fluid-structure couplings and be in a position to propose palliative solutions when possible
• To know the main modes of coupling
• Know how to model, analyze and dimension a problem where a simple fluid-structure coupling occurs
• Know how to interpret experiments involving fluid-structure couplings

• Examples of fluid-structure couplings in the fields of civil engineering, aeronautics, space and energy
• Reminder of fluid mechanics and elastodynamics
• Dimensional analysis of fluid-structure couplings
• Classification of fluid-structure interaction problems
• Structure immersed in a fluid at rest - added mass
• Aeroelasticity (aeroelastic coefficients and applications in aeronautics and civil engineering)
• Ballooning of fluids in tanks (Tuned Liquid Damper, POGO effect)
• Deformable pipes (applications in biomechanics and hydraulics)
• Introduction to the numerical study of fluid-structure couplings

• Know how to model and analyze fluid-structure couplings (C2)
• Master the associated dimensioning methods (C2)
• Be able to calculate aerodynamic forces on structures (C2)
• Interpret experimental results (C2)

Practical work: restitution of reports, 50%.

Project: report restitution, 50%.

E.H. Dowell, A modern course in aeroelasticity, Kluwer acad. publisher, 2004

1. Carmona, et J.-C. Foucriat, Comportement au vent des ponts, Presses des ponts et chaussées, 2002.
2. de Langre, Fluides et solides, Éditions de l’école polytechnique, 2001.
3. Païdoussis, Fluid-structure interactions, T1&2, Elsevier, 2004.

Olivier Boiron (ECM)

Kevin LE PRIN, Project and R&D engineer, SEAL Engineering

Sylvain TRUCHE, Project and R&D engineer, SEAL Engineering