The eigenvalue problems of grouped turbo blades were numerically formulated by using the generalized differential quadrature method (GDQM). Different boundary approaches accompanying the GDQM to transform the partial differential equations of grouped turbo blades into a discrete eigenvalue problem are discussed. Effects of the number of sample points and the different boundary approaches on the accuracy of the calculated natural frequencies are also studied. Numerical results demonstrated the validity and the efficiency of the GDQM in treating this type of problem.
- International Gas Turbine Institute
Eigen Solutions of Grouped Turbo Blades Solved by the Generalized Differential Quadrature Method
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Kuang, JH, & Hsu, MH. "Eigen Solutions of Grouped Turbo Blades Solved by the Generalized Differential Quadrature Method." Proceedings of the ASME Turbo Expo 2001: Power for Land, Sea, and Air. Volume 4: Manufacturing Materials and Metallurgy; Ceramics; Structures and Dynamics; Controls, Diagnostics and Instrumentation; Education; IGTI Scholar Award. New Orleans, Louisiana, USA. June 4–7, 2001. V004T03A036. ASME. https://doi.org/10.1115/2001-GT-0273
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