Investigation of Aeroelastic Stability on Agard 445.6 Wing at Transonic Regime

Abstract

Fluid-structure interaction problems (FSI) are too complex to solve analytically. Therefore, wind tunnel tests or computational methods are used to evaluate the integrity of aerospace structures. Performing wind tunnel tests for many design parameters in early stage of the design is very expensive. So, computational solid mechanics (CSM) and computational fluid dynamics (CFD) solvers which works coupled can be used to determine aeroelastic characteristics of the structure to reduce number of tests. In this study, flutter analyses of AGARD 445.6 wing are carried out using FSI method with commercially available CSM and CFD solvers. The procedure developed with the solvers is validated with the experimental data conducted by AGARD 445.6 standard aeroelastic configuration for dynamic response at subsonic and transonic free stream Mach numbers.