Aeroelasticity

Aeroelasticity is the term of the physical processes that occur in flow around structures when aerodynamic loads interact with the elasto forces and deformations of the structure. These processes can be observed, for example, to the structure of the control and the structure of aircraft or on rotor blades of wind turbines.

In aeronautics, a distinction is made between buffeting, flutter, reverse the rudder effect and aerodynamic divergence.

Despite the complexity of the physical processes associated problems are now dominates usually safe. However, it came with increasing airspeed in aviation history repeated problems with effects of aeroelasticity, to the sudden crash. The main problem is the non-linear coupling of the forces caused by the flow with the structural forces.

The subject of aeroelastic modeling comes from wind power. The standard IEC 61400 (VDE 0127) sees this process before as the preferred method for the stress analysis.

Only the aeroelastic simulation enabled the construction of economic, modern wind power plants of several megawatts.

• Aerodynamics
• Strength of Materials
• Flight control