Wing flutter analysis with an uncoupled method

Kavukcuoğlu, Koray
In this thesis, flutter of AGARD Wing 445.6 is predicted with a new approach. The unsteady aerodynamic loads are calculated with an unstructured Euler solver. Surface interpolation is used to transfer the calculated mode shapes from the structural mesh to the CFD mesh and to transfer pressure distributions in the opposite direction. Using the transferred pressure distributions, nodal force distributions on the finite element model are calculated. A polynomial is fitted to the nodal forces in terms of the reduced frequency. The resulting polynomial eigenvalue problem is solved to obtain flutter frequency.
Citation Formats
K. Kavukcuoğlu, “Wing flutter analysis with an uncoupled method,” M.S. - Master of Science, Middle East Technical University, 2003.