AERODYNAMIC DESIGN
Integration of CFD tools in aerodynamic design of contra-rotating propellers blades
... This paper presents the development of a CFD-based strategy for aerodynamic design of CROR blades. Nowadays several types of numerical methods and levels of modeling are available. Fast techniques such as ...
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Coupling Local and Global Shape Optimization in Aerodynamic Design
... 3 Aerodynamic design optimization A simulation-based shape optimization problem consists of minimizing a cost function J , which depends on a shape Γ and state variables W ...of design variables x = ...
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Multi-fidelity optimization strategy for the industrial aerodynamic design of helicopter rotor blades
... industrial aerodynamic design of helicopter rotor blades needs to consider the two typical flight conditions of hover and forward flight ...multi-objective design problem is tackled by using a ...
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Distributed Optimization using Virtual and Real Game Strategies for Aerodynamic Design
... Unité de recherche INRIA Sophia Antipolis 2004, route des Lucioles - BP 93 - 06902 Sophia Antipolis Cedex France Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy-Brabois - [r] ...
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An augmented reality platform for interactive aerodynamic design and analysis
... for the type of applications we are envisaging here—would maybe report more important differences in the velocity field among different models. 7 CO N C LU S I O N S We have presented a tool able to capture and ...
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Towards Self-Adaptive Parameterization of Bézier Curves for Airfoil Aerodynamic Design
... Unité de recherche INRIA Sophia Antipolis 2004, route des Lucioles - BP 93 - 06902 Sophia Antipolis Cedex France Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy-Brabois - [r] ...
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Aerodynamic design of moveable inlet guide vanes for active control of rotating stall
... These models were used in a parametric study which showed that from a control wave launching point of view, airfoil camber and mean flow turning of the cascade are[r] ...
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An active-set trust-region method for bound-constrained nonlinear optimization without derivatives applied to noisy aerodynamic design problems
... We also contribute to different aspects of studies concerning noise in general and the noisy aerodynamic application in particular. We give a short description of the optimization tool OP- TaliA which is used at ...
181
Study of some strategies for global optimization using Gaussian process models with application to aerodynamic design
... Table 3: GMO results using different initial databases for 8 design variables lowest cost function but LB and EI screening is almost as good as the adaptive one. The PI criterion fails to sufficiently reduce the cost ...
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Aerodynamic design of an aspirated counter-rotating compressor
... If the cascade passage is choked and the bow shock is attached to the leading edge of the blade, then the 'unique incidence' condition exists and the inlet flow an[r] ...
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Key aerodynamic technologies for aircraft engine nacelles
... 6.0 AERODYNAMIC DESIGN TRADE-OFF MODEL FOR MANUFACTURING AND COST"*"" In recent years, customer needs in the commercial Aerospace sector have been governed by reduced lead-time and cost,[r] ...
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Adaptive modeling strategy for constrained global optimization with application to aerodynamic wing design
... AIAA Aerodynamic Design and Optimization Dis- cussion Group (ADODG) [ 50 ...The aerodynamic model is expensive, requiring high-performance parallel computing re- sources to solve the ...
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Aerodynamic fuze characteristics for trajectory control
... The concept, utilizing the tendency of an adverse pressure gradient to thicken a boundary layer, dissipated energy from the upper surface boundary layer causing it [r] ...
135
Aerodynamic investigation of a multiplace fighter
... The lateral stability calculations show a very short period in both level flight and in the vertical dive but the damping is exeellent. The short period should therefo[r] ...
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Aerodynamic characteristics of generic ice shells
... the aerodynamic force and moment coefficients of generic ice fragments detached from a bridge cable as a priori for a subsequent ice trajectory ...conditions. Aerodynamic forces and moments were measured for ...
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Aerodynamic tool for phonology of voicing
... Finally, the alternative proposal considers that the [±voice] contrast is essentially controlled by the states of the glottis alone, e.g. [2, 16], see [22] for a review. The resistance to expiratory airflow is an ...
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Active aerodynamic drag reduction on morphable cylinders
... the aerodynamic performance of cylinders using a single, albeit morphable, sample whose topography that can be varied systematically and precisely on ...the aerodynamic drag of our samples, over a wide ...
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The Aerodynamic Signature of Running Spiders
... At slow attack speeds, the distance at which crickets can perceive spiders is limiting (ambush strategy), whereas at high hunting speeds, the escape time becomes limiting (cruising strat[r] ...
7
Aerodynamic Optimization of a Morphing Winglet Design
... the aerodynamic performance of a self-contained morphing winglet for an unmanned aerial vehicle (UAV), the results when the morphing winglet was actuated, the lift-to drag ratio increased by ...the ...
5
Reengineering of aerodynamic flow-field module
... the engine. The paper [ 14 ] deals with the ice accretion on aircraft wings and with stabilizers that can cause some aerodynamic performance degradation. Weight increase, control difficulties that may reduce the ...
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