AN OVERVIEW OF CFD/CSD COUPLED SOLUTION FOR NONLINEAR AEROELASTICITY

The coupled problemsbetween computational fluid dynamics (CFD) and computationalstructural dynamics (CSD) related to nonlinear aeroelasticity arehighly nonlinear in time domain. The main numerical techniques andalgorithms of CFD/CSD coupled solution for nonlinearaeroelasticity are presented in this paper, including nonlinearbehavior simulation technique in fluids and structure, effectivegrid deformation strategies, consistent fluid/structure interfacetreatment, computational efficiency with reduced order modelmethod, well documented aeroelastic experiments for aeroelasticcode validation, and multidisciplinary coupled solution. Recentstudies are summarized and compared and significant conclusionsare drawn. CFD/CSD coupled method, due to its favorable numericalcharacteristic, will surely become a predominant tool for solvingnonlinear aeroelasticity problems.