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Influence of flight control laws on structural sizing of commercial aircraft

Detalles Bibliográficos
Clasificación:Libro Electrónico
Autor principal: Nazzeri, Rahmetalla
Formato: Electrónico eBook
Idioma:Inglés
Publicado: Göttingen : Cuvillier Verlag, 2021.
Temas:
Acceso en línea:Texto completo
Tabla de Contenidos:
  • Intro
  • List of Figures
  • List of Tables
  • List of symbols
  • 1 Introduction
  • 1.1 The need for a new simulation framework
  • 1.2 State of the art
  • 1.3 Objectives and thesis overview
  • 2 Multidisciplinary analysis andoptimization framework
  • 2.1 Developed process and mixture of competences
  • 2.2 General process overview
  • 3 Loads calculation process
  • 3.1 Scope of computed load conditions
  • 3.2 Loads calculation model
  • 3.3 Electronic Flight Control System
  • 4 Structural property optimization andmass penalty estimation
  • 4.1 Modeling aspects of global FEM representation
  • 4.2 Global FEM external loading
  • 4.3 Linear static analysis and results management
  • 4.4 Wing structural property optimization
  • 4.5 Fuselage mass penalty estimation
  • 5 Feedback loop
  • 5.1 Starting approach
  • 5.2 Main process steps of the feedback loop
  • 5.3 Update of stiffness values
  • equivalent beamapproach
  • 5.4 Update of mass values
  • grid point weight generator
  • 5.5 Global convergence criteria
  • 5.6 Impact of wing stiffness changes on the jig and flightshape
  • 6 Design studies
  • 6.1 Influence of the load alleviation function on thecalculated flight loads
  • 6.2 First design study with reduced load case set
  • 6.3 Design study with complete load case set
  • 7 Summary, discussion of methods andresults, outlook
  • 7.1 Summary
  • 7.2 Discussion of methods
  • 7.3 Discussion of results
  • 7.4 Outlook
  • Bibliography
  • A Loads calculation and structuralassessment
  • B Feedback loop
  • main process steps
  • C Equivalent beam approach -validation
  • D Equivalent beam approach -influence of skin and stringer
  • E Grid Point Weight Generator
  • basics
  • F Influence of the load alleviationfunction on the calculated flightloads
  • G Structural baseline generation
  • H Influence of load alleviation functionon structural components