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A light structure is needed to reduce W0. SFC is the province of the
engine manufacturers. The aerodynamic designer should try to maximize
VL
D
. This means the cruising speed V should be increase...
For a given stress σ, the required skin thickness varies inversely as the wing
depth d. Thus weight can be reduced by increasing the thickness to chord
ratio. But this will increase shock drag in th...
Mathematical Underpinnings of Aerodynamic Shape Optimization
aerodynamic Mathematical Underpinnings
2015/6/18
Regard the wing as a device to generate lift (with minimum
drag) by controlling the flow.
Apply theory of optimal control of systems governed by PDEs
(Lions) with boundary control (the wing s...