By Andras Sobester, Alexander I J Forrester
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Extra info for Aircraft Aerodynamic. Design Geometry and Optimization
The non-dominated points are highlighted with black circles and the aerofoils they represent are also shown alongside some of them. A More Complex Example: Propulsion System Integration Consider a more complex multi-objective study, this time with more than one discipline providing the objective function values. 14. There are numerous advantages to such an installation (see Powell et al. (2012) for a comprehensive list), key amongst which is that the wing shields the broadband fan noise of the engine from communities on the ground.
The reader may wish to experiment with changing the seat widths – perhaps to gauge the fuel burn penalties of added comfort, one of the important battlegrounds in the passenger aircraft industry. 8 Internal geometrical constraints on the shape of a passenger airliner cabin. com). 24 Aircraft Aerodynamic Design: Geometry and Optimization Additionally, we have reserved a fixed depth for the floor beam, as well as space around the edges of the container and the boundaries of the protected areas mentioned above to accommodate the (assumed fixed) depth of a fuselage frame.
7 Certainly not at macro-scales – there may be an argument for trying to evolve complex shapes for, say, very small features designed to control boundary-layer behaviour. 4 A Parametric Fuselage: A Case Study in the Trade-Offs of Geometry Optimization The greatest single challenge of the above wish-list is that improvements on one count can usually only be made at the expense of another. The parametric geometry construction process is often akin to multi-objective optimization – we seek the best trade-off between conciseness, robustness and flexibility.
Aircraft Aerodynamic. Design Geometry and Optimization by Andras Sobester, Alexander I J Forrester