Aerodynamic optimization of helicopter rear fuselage
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TLDR
The demonstrated method can be applied to fuselages of any shape during the initial design phase and is shown that a decrease of fuselage drag around 2.5% is possible without compromising the structure and the functionality of the design.About:
This article is published in Aerospace Science and Technology.The article was published on 2018-06-01 and is currently open access. It has received 26 citations till now. The article focuses on the topics: Fuselage.read more
Citations
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Journal ArticleDOI
Machine Learning in Aerodynamic Shape Optimization
TL;DR: In this article , the authors review the applications of ML in aerodynamic shape optimization (ASO) and provide a perspective on the state-of-the-art and future directions.
Journal ArticleDOI
Automatic modeling of aircraft external geometries for preliminary design workflows
Agostino De Marco,Mario Di Stasio,Pierluigi Della Vecchia,Vittorio Trifari,Fabrizio Nicolosi +4 more
TL;DR: A high-fidelity geometry definition methodology enabling Multidisciplinary Design, Analysis and Optimization of aircraft configurations, and a use case example of the geometric modeling API, where an automated aerodynamic analysis workflow is used to construct a prediction model for canard-wing configurations.
Journal ArticleDOI
Breakdown of aerodynamic interactions for the lateral rotors on a compound helicopter
TL;DR: In this paper, high-fidelity computational fluid dynamics analyses were performed to capture the various aerodynamic interactions which are occurring for the Airbus RACER compound helicopter, featuring a box-wing design for auxiliary lift in cruise and wingtip-mounted lateral rotors in pusher configuration for auxiliary thrust and counter-torque in hover.
Journal ArticleDOI
Compound helicopter multi-rotor dynamic radar cross section response analysis
TL;DR: The proposed MDS method is effective and efficient for the dynamic electromagnetic scattering of aircraft operating on individual rotor or multi-axis rotor-type targets, and the disc tilt or attitude angle affects this periodic and full-machine dynamic scattering.
Journal ArticleDOI
A comparison study of two multifidelity methods for aerodynamic optimization
TL;DR: A direct comparison between two multiobjective multifidelity surrogate based optimization methods developed by the group using the concept of expected improvement to perform fast design space exploration based on a novel Kriging modification for multifidelity data is provided.
References
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Proceedings ArticleDOI
A one-equation turbulence model for aerodynamic flows
Philippe R. Spalart,S. Allmaras +1 more
Book
Turbulence modeling for CFD
TL;DR: In this paper, the authors proposed a compressible ecoulement for compressible ECCs, based on the disquette reference record created on 2005-11-18, modified on 2016-08-08.
Proceedings ArticleDOI
ZONAL TWO EQUATION k-w TURBULENCE MODELS FOR AERODYNAMIC FLOWS
TL;DR: In this article, two versions of the k-w two-equation turbulence model are presented, the baseline model and the Shear-Stress Transport (SSn) model.
Proceedings ArticleDOI
Overview of modern design of experiments methods for computational simulations
TL;DR: An overview of modern design of experiments (DOE) techniques that can be applied in computational engineering design studies and several types of modern DOE methods are described including pseudo-Monte Carlo sampling, quasi-monte Carlo sampled, Latin hypercube sampling, orthogonal array sampling, and Hammersley sequence sampling.
Development of CFD Capability for Full Helicopter Engineering Analysis
TL;DR: Overall, the method was found capable of capturing the basic flow characteristics, however, the need for detailed experimental data has been identified as a number one priority in order to assess the method in predicting the interactions between the main rotor the fuselage and the tail rotor at a wide range of conditions.
Related Papers (5)
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High-Fidelity Aerodynamic Shape Optimization of a Lifting-Fuselage Concept for Regional Aircraft
Thomas A. Reist,David W. Zingg +1 more