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Stability and Control Investigations in Early Stages of Aircraft Design

Hasan, Yasim Julian and Flink, Jan and Freund, Sebastian and Klimmek, Thomas and Kuchar, Richard and Liersch, Carsten M. and Looye, Gertjan and Moerland, Erwin and Pfeiffer, Till and Schrader, Mario and Zenkner, Sebastian (2018) Stability and Control Investigations in Early Stages of Aircraft Design. In: 36th AIAA Applied Aerodynamics Conference 2018. AIAA AVIATION 2018 Applied Aerodynamics Conference, 25.-29. Juni 2018, Atlanta, Georgia, USA. DOI: 10.2514/6.2018-2996 ISBN 978-162410559-3

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Official URL: https://arc.aiaa.org/doi/10.2514/6.2018-2996

Abstract

This paper provides an overview of current activities of DLR (German Aerospace Center) with respect to stability and control investigations in the context of early stages of aircraft design. For this purpose, DLR follows an interdisciplinary and multi-level design approach. Using an integration framework in combination with a central data exchange format, largely automated process chains are set up that combine calculation and simulation capabilities of the multitude of disciplines required in early aircraft design. Rather than using empirical relations and assumptions based on experience, the underlying methods applied by the tools are mainly based on physical model representations. The major aim of this design approach is to generate all relevant data needed for stability and control investigations, including aerodynamic damping derivatives and to assemble them within a flight dynamics model. Not only does this approach allow for an early consideration of stability and control characteristics, but it also respects interdisciplinary effects and enables automated design changes. This paper describes the infrastructure used for setting up the described process. It presents disciplinary tools used to calculate engine performance maps, calculate aerodynamic performance maps and structural properties, generate flight dynamics models with associated control laws and to assess aircraft handling qualities. Furthermore, this paper provides application examples of early stability and control considerations, using integrated interdisciplinary process chains. This comprises a handling qualities assessment under uncertainty considerations and vertical tailplane sizing for a blended wing body. In addition, engine and split flap sizing processes for an unmanned combat aerial vehicle are shown. The interdisciplinary design approach presented here, serves to find a well justified early configuration and reduces the risk of later design changes.

Item URL in elib:https://elib.dlr.de/120770/
Document Type:Conference or Workshop Item (Speech)
Title:Stability and Control Investigations in Early Stages of Aircraft Design
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Hasan, Yasim JulianYasim.Hasan (at) dlr.dehttps://orcid.org/0000-0002-5081-223X
Flink, JanJan.Flink (at) dlr.dehttps://orcid.org/0000-0002-2461-6569
Freund, Sebastiansebastian.freund (at) dlr.dehttps://orcid.org/0000-0003-0006-1367
Klimmek, Thomasthomas.klimmek (at) dlr.deUNSPECIFIED
Kuchar, Richardrichard.kuchar (at) dlr.deUNSPECIFIED
Liersch, Carsten M.Carsten.Liersch (at) dlr.dehttps://orcid.org/0000-0001-6417-6732
Looye, Gertjangertjan.looye (at) dlr.deUNSPECIFIED
Moerland, ErwinErwin.Moerland (at) dlr.dehttps://orcid.org/0000-0003-4818-936X
Pfeiffer, Tilltill.pfeiffer (at) dlr.deUNSPECIFIED
Schrader, MarioUNSPECIFIEDUNSPECIFIED
Zenkner, SebastianSebastian.Zenkner (at) dlr.deUNSPECIFIED
Date:25 June 2018
Journal or Publication Title:36th AIAA Applied Aerodynamics Conference 2018
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
DOI :10.2514/6.2018-2996
ISBN:978-162410559-3
Status:Published
Keywords:Stability and Control, Multidisciplinary Process Chains, RCE, CPACS, Unconventional Aircraft, Aircraft Design, Handling Qualities
Event Title:AIAA AVIATION 2018 Applied Aerodynamics Conference
Event Location:Atlanta, Georgia, USA
Event Type:international Conference
Event Dates:25.-29. Juni 2018
Organizer:American Institute of Aeronautics and Astronautics
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Aeronautics
HGF - Program Themes:fixed-wing aircraft
DLR - Research area:Aeronautics
DLR - Program:L AR - Aircraft Research
DLR - Research theme (Project):L - Flight Physics
Location: Braunschweig , Göttingen , Köln-Porz , Oberpfaffenhofen
Institutes and Institutions:Institute of Flight Systems > Flight Dynamics and Simulation
Institut of Simulation and Software Technology > Distributed Systems and Component Software
Institute of Composite Structures and Adaptive Systems > Structural Mechanics
Institute of Aeroelasticity > Loads Analysis and Aeroelastic Design
Institute of System Dynamics and Control > Aircraft System Dynamics
Institute for Aerodynamics and Flow Technology > Transport Aircraft
Institute of System Architectures in Aeronautics > Aircraft Design and System Integration
Institute of Propulsion Technology > Engine
Deposited By: Hasan, Yasim Julian
Deposited On:09 Jul 2018 14:54
Last Modified:10 Dec 2018 15:44

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