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RISOn the Effect of Frequency Separation, Mass Ratio, Solidity, and Aerodynamic Resonances in Coupled Mode Flutter of a Linear Compressor Cascade
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: At a low mass ratio of structure to air, the work-per-cycle approach, or better known as the energy method, will lead to nonconservative results as aerodynamic coupling of modeshapes acts destabilizing. Using the p–k method ...
Coupled Mode Flutter Analysis of Turbomachinery Blades Using an Adaptation of the p–k Method
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Current trends in turbomachinery design significantly reduce the mass ratio of structure to air, making them prone to flutter by aerodynamic coupling between mode shapes, also called coupled-mode flutter. The p–k method, ...