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Aerospace Design SESA 3002

Aerospace Design SESA 3002. Simon Newman; Design analysis Kenji Takeda; Flight simulation JS; module leader Research Fellow Consultants ; Wenbin Song. RR Gas turbine optimisation Alex Forrester. Airbus wing design Hakki Eres. BAE missile design, RR LCC Andras Sobester UAV design.

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Aerospace Design SESA 3002

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  1. Aerospace DesignSESA 3002 CEDC James Scanlan; School of Engineering Sciences

  2. Simon Newman; Design analysis Kenji Takeda; Flight simulation JS; module leader Research Fellow Consultants; Wenbin Song. RR Gas turbine optimisation Alex Forrester. Airbus wing design Hakki Eres. BAE missile design, RR LCC Andras Sobester UAV design Academic team CEDC James Scanlan; School of Engineering Sciences

  3. Resources • SN web site http://www.aero.ses.soton.ac.uk/courses/AA301/restricted/index.htm • JS web site http://www.soton.ac.uk/~jps7/Aircraft%20Design%20Resources/ CEDC James Scanlan; School of Engineering Sciences

  4. Resource highlights; • MIT PhD thesis on Civil aircraft cost and performance.pdf • Fuselage design.doc • Aircraft configuation.pdf • Integrated Systems Engineering Approach to Aircraft Design V2.doc • Wing and fuse weight estimation.pdf • High-Lift Systems on Commercial Subsonic Airliners (Rudolph) • Teamworking guide.pdf CEDC James Scanlan; School of Engineering Sciences

  5. Purpose • Realistic experience in developing a large aerospace design • Develop skills/ understanding of teamworking and use of integrated computer tools CEDC James Scanlan; School of Engineering Sciences

  6. Industry Requirements • Flight International 2006.. • Module developed with Airbus and RR input CEDC James Scanlan; School of Engineering Sciences

  7. Case Study • Produced by Airbus FPO For Southampton • Realistic commercial aircraft design problem • Supported by extensive guidance notes CEDC James Scanlan; School of Engineering Sciences

  8. Case Study Deliverables • Flight test using MS FS • Final presentation • Final report CEDC James Scanlan; School of Engineering Sciences

  9. Expected Effort • 20 credit module • 200 hours of effort. • 15 week timetable • = ~13 hours per week • = ~10 hours of your own time on this module per week! D C CEDC James Scanlan; School of Engineering Sciences

  10. Programme CEDC James Scanlan; School of Engineering Sciences

  11. Assessment • Individual assessment 15% • Flight testing 20% • Final Group Design Review 25% • Written Group Design Review 40% • Use of peer review • Appraisal of individual contribution CEDC James Scanlan; School of Engineering Sciences

  12. Roles/Tasks Example Technical tasks 1 Kinematic simulation (high lift device/ undercarriage?) 2 Total Drag Estimation 3 Lift estimation (+ high lift device design) 4 Structural design (in-depth study of key structure; winglet?) 5 Cabin fuselage layout and dimensions 6 Overall aircraft weight estimate 7 Systems, selection, location and mass (powerplant, fuel, control, avionics etc) 8 Optimisation (identification of design variables and experimentation/ sensitivity analysis) 9 Cost estimation (acquisition and DOC) 10 Performance/payload-range/certification calculations 11 Flight simulation 12 Whole aircraft geometry parameterisation creation/ data management • Control/ handling/ stability calculations • Reliability analysis CEDC James Scanlan; School of Engineering Sciences

  13. Roles/Tasks Example Management tasks 1 Chairing of meetings (rotating responsibility?) 2 Generating and updating Gantt chart of activities/ responsibilities 3 Documenting/recording meetings and actions 4 Data handling/ setting up sussed and shared data 5 Setting up and managing web-site? 6 Compiling and organising presentation 7 Compiling and organising final written report • Change management http://www.queendom.com/tests/career/team_roles_access.html Penn State; http://tlt.its.psu.edu/suggestions/teams/student/index.html Teamworking guide (js website; teamworking) CEDC James Scanlan; School of Engineering Sciences

  14. Software tools Relex Reporting HTML Word Powerpoint Excel SolidWorks Geometry FEA DPro Costing FloWorks Motion G Max CES FS FS Edit CEDC James Scanlan; School of Engineering Sciences

  15. Need for formal planning! • Task is too big to carry in your head • Need to understand scope • Interactions • Interfaces • Clear boundaries/responsibilities • Time and resource allocation • Manage complexity CEDC James Scanlan; School of Engineering Sciences

  16. Individual assignment deliverables (Deadline Friday 3rd November). • “AeroVironment”-type precedence network • List and break-down deliverables (WBS?) • Work backward from these until you hit; • source data • assumptions • requirements • constraints • Determine dependencies • Group tasks logically • Hand-in to be READABLE user-friendly printout. CEDC James Scanlan; School of Engineering Sciences

  17. AeroVironment; Good example of Project Planning* • Complex, Novel projects • Good, clear planning procedures * See http://appel.nasa.gov/ask/issues/11/practices/index.html CEDC James Scanlan; School of Engineering Sciences

  18. AeroVironment planning overview example CEDC James Scanlan; School of Engineering Sciences

  19. Precedence network* Unfortunately current PM tools have very crude network modelling tools Better initially to use advanced diagramming tool such as yEd * (Free PM tool can be dowloaded from OpenWorkbench; http://www.openworkbench.org/) CEDC James Scanlan; School of Engineering Sciences

  20. Workflow/ Dependency Network; Activity/Process Verb, Noun Input Output Normally Physical or information “object” See also.. http://www.soton.ac.uk/~jps7/Aircraft%20Design%20Resources/project%20management/MIT%20lecture%20notes.pdf CEDC James Scanlan; School of Engineering Sciences

  21. Top level diagram Example Outputs (Deliverables) Example Source Data “Design system” • Configuration/ geometry • Handling/ OEI performance results • Acquisition cost prediction • DOC projection • Comparative assessments • Sensitivities/ uncertainties/ reliability prediction • Utilisation/TATs • Payload/range objectives • Certification constraints • Current benchmark aircraft • Materials data • Fuel price projections • Operating assumptions • Environmental constraints Drag Calculations Weight Calculations Stability calculations Strength/ stiffness calculations Cost calculations Lift Calculation ….. CEDC James Scanlan; School of Engineering Sciences

  22. Work Breakdown Structure (WBS) Examples Hierarchical view of work. Can be useful for analysing deliverables, for example CEDC James Scanlan; School of Engineering Sciences

  23. Team-Task Matrix Responsibility allocation Lead/assist? Team size ~ 10 Pseudo- random selection CEDC James Scanlan; School of Engineering Sciences

  24. Demo of useful workflow modelling tool (yEd)(Installed on ISS network but can be downloaded from.. http://www.yworks.com/en/index.html CEDC James Scanlan; School of Engineering Sciences

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