Дисертації з теми "Aircraft modelling"
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Rubin, Felix. "Modelling & Analysis of a TiltWing Aircraft." Thesis, KTH, Flygdynamik, 2018. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-244832.
Повний текст джерелаHarasani, W. "Aircraft conceptual design decision through operational modelling." Thesis, Cranfield University, 2005. http://dspace.lib.cranfield.ac.uk/handle/1826/11093.
Повний текст джерелаPoudel, Minesh. "Aircraft emergency evacuation : analysis, modelling and simulation." Toulouse 2, 2008. http://www.theses.fr/2008TOU20026.
Повний текст джерелаThis thesis is about aircraft emergency evacuation and its principal objective is to establish a computational model able to simulate realistically it. This will contribute to the certification process of new aircraft emergency evacuation layouts and egress procedures for large capacity airliners. This thesis is composed of two main parts. In the first one, the main problem issues are identified, a state of the art in emergency evacuation from aircraft is realized and human behaviours during such an event are described. In the second part of this work, the elements of the emergency evacuation model are identified. After analysing existing models and different models of dynamic cellular systems, the conceptual model of this simulator is proposed. Its framework has been designed using UML and the routines are written in Java. Finally future research directions are given
Shao, Liang. "GNSS performance modelling for high interrity aircraft applications." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/7442.
Повний текст джерелаWu, Tao. "Integrative system modelling of aircraft electrical power systems." Thesis, University of Nottingham, 2010. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.537690.
Повний текст джерелаAreerak, Kongpan. "Modelling and stability analysis of aircraft power systems." Thesis, University of Nottingham, 2009. http://eprints.nottingham.ac.uk/12944/.
Повний текст джерелаCoetzee, Etienne. "Modelling and nonlinear analysis of aircraft ground manoeuvres." Thesis, University of Bristol, 2011. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.541611.
Повний текст джерелаHoff, J. C. "Aircraft parameter estimation by estimation - before - modelling technique." Thesis, Cranfield University, 1995. http://dspace.lib.cranfield.ac.uk/handle/1826/10748.
Повний текст джерелаVon, Klemperer Nicholas. "Dual-axis tilting quadrotor aircraft: Dynamic modelling and control of dual-axis tilting quadrotor aircraft." Master's thesis, Faculty of Engineering and the Built Environment, 2018. http://hdl.handle.net/11427/30156.
Повний текст джерелаLinehan, Rory Daniel. "Modelling simulation and control of a remotely piloted vehicle." Thesis, Coventry University, 1995. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.363857.
Повний текст джерелаVaziry-Zanjany, Mohammad Ali. "Aircraft conceptual design modelling incorporating reliability and maintainability predictions." Thesis, Cranfield University, 1996. http://dspace.lib.cranfield.ac.uk/handle/1826/3437.
Повний текст джерелаMacey, P. "Probabilistic risk assessment modelling for passenger aircraft fire safety." Thesis, Cranfield University, 1997. http://hdl.handle.net/1826/4260.
Повний текст джерелаVaziry-Zanjany, Mohammad Ali (F). "Aircraft conceptual design modelling incorporating reliability and maintainability predictions." Thesis, Cranfield University, 1996. http://hdl.handle.net/1826/3437.
Повний текст джерелаPrescott, Darren Richard. "Safety modelling for the time limited dispatch of aircraft." Thesis, Loughborough University, 2007. https://dspace.lboro.ac.uk/2134/12235.
Повний текст джерелаJordan, Philip [Verfasser]. "Scalable Modelling of Aircraft Environmental Control Systems / Philip Jordan." München : Verlag Dr. Hut, 2019. http://d-nb.info/118151441X/34.
Повний текст джерелаKiébré, Rimyalegdo. "Contribution to the modelling of aircraft tyre-road interaction." Phd thesis, Université de Haute Alsace - Mulhouse, 2010. http://tel.archives-ouvertes.fr/tel-00601774.
Повний текст джерелаPervier, Hugo. "Emissions modelling for engine cycle and aircraft trajectory optimisation." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/10396.
Повний текст джерелаPremachandran, Sarah. "Advanced computational modelling for aircraft landing gear unsteady aerodynamics." Thesis, University of Southampton, 2017. https://eprints.soton.ac.uk/418073/.
Повний текст джерелаReytier, Thomas. "Modelling fatigue spectra of aircraft structure under gust loads." Toulouse 3, 2012. http://thesesups.ups-tlse.fr/1614/.
Повний текст джерелаThis thesis is dedicated to the fatigue and damage tolerance analysis of the aircraft structures under gust loads. The fatigue and damage tolerance analysis is a significant issue in the aircraft structure design. It aims at defining the inspection program of the aircraft structure in order to ensure its safety through its entire life. The first part reviews the state-of-the-art in the various involved topics for the global process for fatigue analysis of aircraft structure under gust loads: the atmospheric turbulence modelling, the load and stress computation by a finite element analysis, the generation of the fatigue spectrum and at the end, the fatigue and damage tolerance analysis. The second part presents the whole process currently implemented at Airbus. The main strengths and weaknesses are pointed out and this en-ables the identification of several improvement axes. From the continuous turbulence model based on the Von Karman Power Spectral Density(PSD), the computed stresses are included according to statistics established from in-flight measurements in the fatigue spectrum in order to build a stress cycle sequence. The input data for the fatigue and damage tolerance analysis are obtained from the definition of the various fatigue mission profiles, the unitary stress values, the dynamic response of the structure and the turbulence statistics. In the third part,a new methodology is presented in order to obtaine efficiently and accurately the temporal stress sequences due to the atmospheric turbulence. This method relies on new results enabling the generation of correlated time signals from the PSD functions. First, the PSD of the various stress components are directly obtained from the Von Karman PSD via a finite element analysis. Then, the correlated temporal stress sequences are generated and distributed in the fatigue spectrum according to the turbulence intensity statistical law. This new process enables the improvement of the stress computation and the fatigue spectrum generation. It replaces the turbulence statistics by stress exceedance statistics which are defined by an analytical formula in a reasonably conservative way. In addition, the lead time to build the input data for the fatigue and damage tolerance analysis is significantly reduced. Results from the fatigue and damage tolerance analysis are presented in order to highlight the quality of the improved processes both in terms of accuracy and lead time
Manimala, Binoy James. "Mathematical modelling for the evaluation of a tiltwing aircraft." Thesis, Glasgow Caledonian University, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.287856.
Повний текст джерелаAmadori, Kristian. "Geometry Based Design Automation : Applied to Aircraft Modelling and Optimization." Doctoral thesis, Linköpings universitet, Maskinkonstruktion, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-73109.
Повний текст джерелаKraven på ökad effektivitet utmanar ständigt produktutvecklingsprocessen. I och med att ingenjörsprodukter blir allt mer komplexa, växer genom hela utvecklingsprocessen behovet av verktyg och metoder för integrerad och automatiserad design. Multidisciplinär Design Optimering (MDO) är en lovande teknik som kan drastiskt förbättra parallell design. I ett MDO ramverk är flera disciplinära modeller sammankopplade för att uppnå ett holistiskt systemperspektiv, men där synergierna mellan olika delsystem också kan fångas upp. Bland alla möjliga discipliner spelar geometrimodellen en central roll, eftersom den innefattar en stor del av all information som är nödvändig för andra disciplinära analyser. I avhandlingen studeras ett flertal metoder för att möjliggöra multidisciplinär optimering i de tidigaste faserna av flygplansdesign. I synnerlighet är forskningen riktad mot att införa geometriska CAD modeller i designloopen. Det blir därmed nödvändigt att kunna automatiskt generera eller uppdatera geometriska modeller, vilket i avhandlingen kallas för ”geometribaserad design automation”. Avhandlingen förordar att Knowledge Based Engineering (KBE) tekniker används för att konstruktioner skall kunna automatiseras och återanvändas. Så kallade Hög Nivå CAD mallar (på engelska High Level CAD templates – HLCts) föreslås för att automatiskt generera och uppdatera geometrimodeller. HLCts kan jämföras med parametriska LEGO® klossar som innehåller variabler för design och analys. Mallarna kan samlas i bibliotek; därefter har konstruktörer eller dator agenter möjligheten att först topologiskt välja en mall och sedan ändra på dess utförande genom utvalda parametrar. Eftersom parameterisering är ett centralt begrepp för HLCt principen, föreslås även en fördjupad analys av ämnet. I stor del av MDO och KBE litteraturen ställs det två återkommande krav på geometrimodellen: modellen bör vara flexibel och robust. Eftersom dessa krav aldrig har getts en formell formulering, förordas i avhandlingen en matematisk beskrivning av modellrobusthet och - flexibilitet. Tack vore formuleringen är det möjligt att noggrant mäta och jämföra till vilken grad geometriska modeller fungerar. Slutligen presenteras en valideringsprocess baserad på kostnadseffektiva prototyper som används för att snabbt bekräfta analytiska resultat från MDO ramverket. Den föreslagna processen nyttjar olika tillverkningsmetoder, beroende på prototypens tänkta storlek och användning. I sista delen av avhandlingen presenteras även tre applikationsexempel, valda från forskningsprojekt som har bedrivits på Linköpings universitet och som visar hur de teoretiska resultaten har kommit till användning i praktiken.
Poudel, Sabin. "Modelling of a Generic Aircraft Environmental Control System in Modelica." Thesis, Linköpings universitet, Fluida och mekatroniska system, 2019. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-156675.
Повний текст джерелаReschke, Christian. "Integrated flight loads modelling and analysis for flexible transport aircraft." [S.l. : s.n.], 2006. http://nbn-resolving.de/urn:nbn:de:bsz:93-opus-27974.
Повний текст джерелаKallinen, Valtteri A. "Collision risk modelling for unmanned aircraft separation and traffic management." Thesis, Queensland University of Technology, 2022. https://eprints.qut.edu.au/232516/1/Valtteri_Kallinen_Thesis.pdf.
Повний текст джерелаGuo, H. "An investigation into the finite element modelling of an aircraft tyre and wheel assembly." Thesis, Coventry University, 2014. http://curve.coventry.ac.uk/open/items/94ff9a61-2e93-49e0-880f-0586b0244dfe/1.
Повний текст джерелаWasiuk, Donata Katarzyna. "Modelling aircraft emissions and their impact on atmospheric composition and ozone." Thesis, University of Bristol, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.654469.
Повний текст джерелаNoor, Mohamed Sulfickerali. "Efficient CFD based aero-thermo-mechanical modelling for aircraft engine design." Thesis, University of Surrey, 2017. http://epubs.surrey.ac.uk/813497/.
Повний текст джерелаThokala, Praveen. "Life cycle cost modelling as an aircraft design decision support tool." Thesis, University of Southampton, 2009. https://eprints.soton.ac.uk/72021/.
Повний текст джерелаDharmasaroja, Atipong. "Efficient modelling of failure envelopes and load patterns in aircraft structures." Thesis, Queen's University Belfast, 2015. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.695327.
Повний текст джерелаCarmai, Julaluk. "The modelling of matrix-coated fibre composite consolidation." Thesis, University of Oxford, 2001. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.365724.
Повний текст джерелаLiu, Chengyuan. "Turboelectric Distributed Propulsion System Modelling." Thesis, Cranfield University, 2013. http://dspace.lib.cranfield.ac.uk/handle/1826/8408.
Повний текст джерелаAnastasiadis, P. T. "The influences on optimal structural designs of the modelling processes and design concepts." Thesis, Cranfield University, 1997. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267196.
Повний текст джерелаTarkian, Mehdi, and Zaldivar Tessier Francisco Javier. "Aircraft Parametric 3D Modelling and Panel Code of Analysis for Conceptual Design." Thesis, Linköping University, Department of Management and Engineering, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-10607.
Повний текст джерелаThroughout the development of this report there will be a brief explanation of what the actual Aircraft Design Process is and in which stages the methodology that the authors are proposing will be implemented as well as the tools that will interact to produce this methodology.
The proposed tool will be the first part of a methodology that, according to the authors, by integrating separate tools that are currently used in different stages of the aeronautical design, will promote a decrease in the time frame for the initial stages of the design process.
The first part of the methodology above, that is proposed in this project, starts by creating a computer generated aircraft model and analyzing its basic aerodynamic characteristics “Lift Coefficient” and “Induced Drag Coefficient”, this step will be an alternative to statistical and empirical methods used in the industry, which require vast amount of data.
This task will be done in several steps, which will transfer the parametric aircraft model to an input file for the aerodynamic analysis program. To transfer the data a “translation” program has been developed that arranges the geometry and prepares the input file for analysis.
During the course of this report the reader will find references to existing aircrafts, such as the MD-11 or Airbus 310. However, these references are not intended to be an exact computer model of the mentioned airplanes. The authors are using this as reference so the reader can relate what he/she is seeing in this paper to existing aircrafts. By doing such comparison, the author intends to demonstrate that the Parametric Model that has been created possesses the capability to simulate to some extend the shape of existing aircrafts.
Finally from the results of this project it is concluded that the methodology in question is promising. Linking the two programs is possible and the aerodynamic characteristics of the models tested fall in the appropriate range. None the less the research must continue following the line that has been discussed in this report.
Jansson, Ahmed Sara. "Modelling the dynamics of an unmanned aircraft using a graphical simulation tool." Thesis, KTH, Flygdynamik, 2012. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-100820.
Повний текст джерелаLippert, Stephan [Verfasser]. "Efficient vibro-acoustic modelling of aircraft components with parameter uncertainties / Stephan Lippert." Aachen : Shaker, 2010. http://d-nb.info/1081884940/34.
Повний текст джерелаAndrews, Stuart P. "Modelling and simulation of flexible aircraft : handling qualities with active load control." Thesis, Cranfield University, 2011. http://dspace.lib.cranfield.ac.uk/handle/1826/7705.
Повний текст джерелаYang, Tao. "Development of dynamic phasors for the modelling of aircraft electrical power systems." Thesis, University of Nottingham, 2013. http://eprints.nottingham.ac.uk/13548/.
Повний текст джерелаVelikov, S. "Wind Tunnel Modelling of Aerodynamic Baffle Arrays for Aircraft Exhaust Plume Control." Thesis, Cranfield University, 2015. http://dspace.lib.cranfield.ac.uk/handle/1826/9290.
Повний текст джерелаVelikov, S. "Wind tunnel modelling of aerodynamic baffle arrays for aircraft exhaust plume control." Thesis, Cranfield University, 2014. http://dspace.lib.cranfield.ac.uk/handle/1826/9290.
Повний текст джерелаBradley, Luke R. "Mechanical testing and modelling of carbon-carbon composites for aircraft disc brakes." Thesis, University of Bath, 2003. https://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.426204.
Повний текст джерелаMorgan, Luke N. C. "The development of SQUID-based NDE through experimentation and computational modelling." Thesis, University of Strathclyde, 1999. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.366527.
Повний текст джерелаSillén, Mattias. "Application of Parallel Computers to Enhance the Flow Modelling Capability in Aircraft Design." Licentiate thesis, Linköping University, Linköping University, Department of Management and Engineering, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6398.
Повний текст джерелаThe development process for new aircraft configurations needs to be more efficient in terms of performance, cost and time to market. The potential to influence these factors is highest in early design phases. Thus, high confidence must be established in the product earlier than today. To accomplish this, the concept of virtual product development needs to be established. This implies having a mathematical representation of the product and its associated properties and functions, often obtained through numerical simulations. Building confidence in the product early in the development process through simulations postpones expensive testing and verification to later development stages when the design is more mature.
To use this in aerodynamic design will mean introducing more advanced physical modelling of the flow as well as significantly reducing the turn around time for flow solutions.
This work describes the benefit of using parallel computers for flow simulations in the aircraft design process. Reduced turn around time for flow simulations is a prerequisite for non-linear flow modelling in early design stages and a condition for introducing high-end turbulence models and unsteady simulations in later stages of the aircraft design process. The outcome also demonstrates the importance of bridging the gap between the research community and industrial applications.
The computer platforms are very important to reduce the turn around time for flow simulations. With the recent popularity of Linux–clusters it is now possible to design cost efficient systems for a specific application. Two flow solvers are investigated for parallel
performance on various clusters. Hardware and software factors influencing the efficiency are analyzed and recommendations are made for cost efficiency and peak performance.
Report code: LiU-TEK-LIC-2006:27.
Chan, Kwok Wing. "The introduction of a condition monitoring approach into the design of aircraft systems." Thesis, University of the West of England, Bristol, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.321833.
Повний текст джерелаBlake, Simon. "The development and use of aircraft evacuation modelling as a viable tool for the certification and safety analysis of passenger aircraft." Thesis, University of Greenwich, 2003. http://gala.gre.ac.uk/6115/.
Повний текст джерелаMert, Ahmet. "Modelling And Controller Design Of The Gun And Turret System For An Aircraft." Master's thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/3/12610429/index.pdf.
Повний текст джерелаpositioning envelope. This specification is satisfied by designing Linear Quadratic Gaussian and Internal Model Control type controllers. The performance of the overall system has been examined both by simulation studies and on the real physical system. Results have shown that the designed system is well over being sufficient.
Sillén, Mattias. "Application of parallel computers to enhance the flow modelling capability in aircraft design /." Linköping : Department of Mechanical Engineering, Linköpings universitet, 2006. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-6398.
Повний текст джерелаMaterano, Blanco Gilberto Ignacio. "Numerical modelling of pressure rise combustion for reducing emissions of future civil aircraft." Thesis, Cranfield University, 2014. http://dspace.lib.cranfield.ac.uk/handle/1826/9259.
Повний текст джерелаAbramov, Nikolay. "Modelling of unsteady aerodynamic characteristics for aircraft dynamics applications at high incidence flight." Thesis, De Montfort University, 2005. http://hdl.handle.net/2086/4108.
Повний текст джерелаKöhler, Marcus Oliver. "Modelling the global impact of nitrogen oxides from subsonic aircraft emissions on ozone." Thesis, University of Cambridge, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.615951.
Повний текст джерелаLee, Brian P. "Pilot and control system modelling for handling qualities analysis of large transport aircraft." Thesis, Cranfield University, 2012. http://dspace.lib.cranfield.ac.uk/handle/1826/10203.
Повний текст джерела