NASA NTRS · 19890015800
Optimum structural design with static aeroelastic constraints
Abstract
The static aeroelastic performance characteristics, divergence velocity, control effectiveness and lift effectiveness are considered in obtaining an optimum weight structure. A typical swept wing structure is used with upper and lower skins, spar and rib thicknesses, and spar cap and vertical post cross-sectional areas as the design parameters. Incompressible aerodynamic strip theory is used to derive the constraint formulations, and aerodynamic load matrices. A Sequential Unconstrained Minimization Technique (SUMT) algorithm is used to optimize the wing structure to meet the desired performance constraints.
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Bowman, Keith B, Grandhi, Ramana V., Eastep, F. E.. 1989-04-01. Optimum structural design with static aeroelastic constraints. https://ntrs.nasa.gov/citations/19890015800
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