Transonic calculations for a flexible supercritical wing and comparison with experiment | Zendy

RACHEL BENNETT | Zendy; David A. Seidel | Zendy; M. C. Sandford | Zendy

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Transonic calculations for a flexible supercritical wing and comparison with experiment

Author(s) -

RACHEL BENNETT,

David A. Seidel,

M. C. Sandford

Publication year - 1985

Publication title -

28th structures, structural dynamics and materials conference

Language(s) - English

Resource type - Conference proceedings

DOI - 10.2514/6.1985-665

Subject(s) - transonic , wing , supercritical fluid , aerospace engineering , computer science , aerodynamics , materials science , aeronautics , engineering , physics , thermodynamics

Pressure data measured on the flexible DAST ARW-2 wing are compared with results calculated using the transonic small perturbation code XTRAN3S. A brief description of the analysis is given and a recently developed grid coordinate transformation is described. Calculations are presented for the rigid and flexible wing for Mach numbers from 0.60 to 0.90 and dynamic pressures from 0 to 1000 psf. Calculated and measured static pressures and wing deflections are compared, and calculated static aeroelastic trends are given. Attempts to calculate the transonic instability boundary of the wing are described.

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