Techniques for Reduced Order Modeling of Aeroelastic Structures with Deforming Grids
John S. R. Anttonen
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Techniques for Reduced Order Modeling of Aeroelastic Structures with Deforming Grids

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Reduced order modeling (ROM) seeks to make the modeling of aeroelastic behavior practical by reducing computation time for design codes. Deforming grids are often used in aeroelastic problems to account for the deformation of the structure. Proper Orthogonal Decomposition (POD/ROM) is a ROM technique that operates in an index-space for computations, not accounting for changes in grid dynamics, and must be modified to reflect grid deformation properly. As a POD/ROM is developed, fluid dynamics modes are created based on the index relationship between grid points. The modes are then used to recr...