Investigation of the Aeroelastic Stability of the AFW Wind-Tunnel Model Using CAP-TSD
Investigation of the Aeroelastic Stability of the AFW Wind-Tunnel Model Using CAP-TSD
- New search for: W. A. Silva
- New search for: R. M. Bennett
- New search for: W. A. Silva
- New search for: R. M. Bennett
The Computational Aeroelasticity Program - Transonic Small Disturbance (CAP-TSD) code, developed at the NASA Langley Research Center, is applied to the Active Flexible Wing (AFW) wind tunnel model for prediction of the model's transonic aeroelastic behavior. A semi-span computational model is used for evaluation of symmetric motions and a full span model is used for evaluation of antisymmetric motions. Static aeroelastic solutions using CAP-TSD are computed. Dynamic (flutter) analyses are then performed as perturbations about the static aeroelastic deformations and presented as flutter boundaries in terms of Mach number and dynamic pressure. Flutter boundaries that take into account modal refinements, vorticity and entropy corrections, antisymmetric motions and sensitivity to the modeling of the wing tip ballast stores are also presented and compared with experimental flutter results.
Document information
Investigation of the Aeroelastic Stability of the AFW Wind-Tunnel Model Using CAP-TSD
1991
12 pages
Report
No indication
English
Aerodynamics , Aerodynamic stability , Aeroelastic research wings , Aeroelasticity , Applications programs (Computers) , Computerized simulation , Flexible wings , Flutter analysis , Transonic speed , Antisymmetry , Dynamic pressure , Mach number , Semispan models , Symmetry , Time marching , Wind tunnel models
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