Semianalytical technique for sensitivity analysis of unsteady aerodynamic computations | Zendy

Durbha V. Murthy | Zendy; K. R. V. Kaza | Zendy

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Semianalytical technique for sensitivity analysis of unsteady aerodynamic computations

Author(s) -

Durbha V. Murthy,

K. R. V. Kaza

Publication year - 1991

Publication title -

journal of aircraft

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.64

H-Index - 94

eISSN - 1533-3868

pISSN - 0021-8669

DOI - 10.2514/3.46052

Subject(s) - aerodynamics , sensitivity (control systems) , computation , aerospace engineering , computational fluid dynamics , computer science , environmental science , mechanics , engineering , physics , algorithm , electronic engineering

A semianalytical approach is developed for the sensitivity analysis of linear unsteady aerodynamic loads. The semianalytical approach is easier to implement than the analytical approach. It is also computationally less expensive than the finite-difference approach when used with panel methods that require a large number of panels. The semianalytical approach is applied to an isolated airfoil in a two-dimensional flow and rotating propfan blades in three-dimensional flow

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