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Aerodynamic optimisation of a hypersonic reentry vehicle based on solution of the Boltzmann–BGK equation and evolutionary optimisation / B. Evans; S.P. Walton

Applied Mathematical Modelling, Volume: 52, Pages: 215 - 240

Swansea University Author: Evans, Ben

Abstract

Over the past decade there has been a surge in the interest, both academic and commercial, in supersonic and hypersonic passenger transport. This paper outlines an original approach for solving the problem of optimal design and configuration of a space vehicle operating in rarefied hypersonic flow....

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Published in: Applied Mathematical Modelling
ISSN: 0307-904X
Published: 2017
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URI: https://cronfa.swan.ac.uk/Record/cronfa34691
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first_indexed 2017-07-19T14:18:33Z
last_indexed 2019-06-11T20:31:21Z
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spelling 2019-06-11T17:52:10Z v2 34691 2017-07-19 Aerodynamic optimisation of a hypersonic reentry vehicle based on solution of the Boltzmann–BGK equation and evolutionary optimisation Ben Evans Ben Evans true 0000-0003-3662-9583 false 3d273fecc8121fe6b53b8fe5281b9c97 2890c45927cb2feac2e0ea3655f09850 A8szpO4BEmrlUIP8KUVwqggr5y2nBRz3haj4DmVVDsQ= 2017-07-19 EEN Over the past decade there has been a surge in the interest, both academic and commercial, in supersonic and hypersonic passenger transport. This paper outlines an original approach for solving the problem of optimal design and configuration of a space vehicle operating in rarefied hypersonic flow. The approach utilises a novel flow solver based on the solution of the Boltzmann–BGK equation. For the first time this solver has been coupled to an evolutionary optimiser to assist in navigation of the unfamiliar hypersonic design space.The Boltzmann–BGK solver is rigorously tested on a number of examples and is shown to handle rarefied gas dynamics examples across a range of length scales. The examples, presented here for the first time, include: a Riemann–type gas expansion problem, drag prediction of a nano–particle and supersonic flow across an aerofoil. Finally the solver is coupled to the evolutionary optimiser Modified Cuckoo Search approach. The coupled solver–optimiser design tool is then used to explore the optimum configuration of the forebody of a generic space reentry vehicle under a range of design conditions.In all examples considered the flow solver produces valid solutions. It is also found that the evolutionary optimiser is successful in navigating the unfamiliar design space. Journal article Applied Mathematical Modelling 52 215 240 0307-904X Boltzmann; Modified Cuckoo Search; Evolutionary Optimisation; rarefied gas flow; hypersonic 0 12 2017 2017-12-01 10.1016/j.apm.2017.07.024 College of Engineering Engineering CENG EEN None None 2019-06-11T17:52:10Z 2017-07-19T08:13:59Z College of Engineering Engineering B. Evans 1 S.P. Walton 2 0034691-31072017092051.pdf evans2017(5).pdf 2017-07-31T09:20:51Z Output 8221680 application/pdf AM true Published to Cronfa 31/07/2017 2018-07-29T00:00:00 false eng
title Aerodynamic optimisation of a hypersonic reentry vehicle based on solution of the Boltzmann–BGK equation and evolutionary optimisation
spellingShingle Aerodynamic optimisation of a hypersonic reentry vehicle based on solution of the Boltzmann–BGK equation and evolutionary optimisation
Evans, Ben
title_short Aerodynamic optimisation of a hypersonic reentry vehicle based on solution of the Boltzmann–BGK equation and evolutionary optimisation
title_full Aerodynamic optimisation of a hypersonic reentry vehicle based on solution of the Boltzmann–BGK equation and evolutionary optimisation
title_fullStr Aerodynamic optimisation of a hypersonic reentry vehicle based on solution of the Boltzmann–BGK equation and evolutionary optimisation
title_full_unstemmed Aerodynamic optimisation of a hypersonic reentry vehicle based on solution of the Boltzmann–BGK equation and evolutionary optimisation
title_sort Aerodynamic optimisation of a hypersonic reentry vehicle based on solution of the Boltzmann–BGK equation and evolutionary optimisation
author_id_str_mv 3d273fecc8121fe6b53b8fe5281b9c97
author_id_fullname_str_mv 3d273fecc8121fe6b53b8fe5281b9c97_***_Evans, Ben
author Evans, Ben
author2 B. Evans
S.P. Walton
format Journal article
container_title Applied Mathematical Modelling
container_volume 52
container_start_page 215
publishDate 2017
institution Swansea University
issn 0307-904X
doi_str_mv 10.1016/j.apm.2017.07.024
college_str College of Engineering
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hierarchy_top_title College of Engineering
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hierarchy_parent_title College of Engineering
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description Over the past decade there has been a surge in the interest, both academic and commercial, in supersonic and hypersonic passenger transport. This paper outlines an original approach for solving the problem of optimal design and configuration of a space vehicle operating in rarefied hypersonic flow. The approach utilises a novel flow solver based on the solution of the Boltzmann–BGK equation. For the first time this solver has been coupled to an evolutionary optimiser to assist in navigation of the unfamiliar hypersonic design space.The Boltzmann–BGK solver is rigorously tested on a number of examples and is shown to handle rarefied gas dynamics examples across a range of length scales. The examples, presented here for the first time, include: a Riemann–type gas expansion problem, drag prediction of a nano–particle and supersonic flow across an aerofoil. Finally the solver is coupled to the evolutionary optimiser Modified Cuckoo Search approach. The coupled solver–optimiser design tool is then used to explore the optimum configuration of the forebody of a generic space reentry vehicle under a range of design conditions.In all examples considered the flow solver produces valid solutions. It is also found that the evolutionary optimiser is successful in navigating the unfamiliar design space.
published_date 2017-12-01T20:50:02Z
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