Introduction to DesignHappy New Year 2007 !QuoteOutlineOrganization of 16.810ExpectationsBoeing List of “Desired Attributes of an Engineer”An engineer should be able to ...Mind MapGrading(Re-)Introduction to DesignProduct Development - DesignDesign and Objective SpaceBasic Design StepsTypical Design PhasesPhased vs. Spiral PD ProcessesStage Gate PD Process Spiral PD ProcessBasic Trade-offs in Product DevelopmentKey Differences in PDP’sProduct Complexity“Design Challenge” and Team AssignmentsProject Description – IAP 2004Project Deliverables – IAP 2004Project Description – IAP 2005Project Deliverables – IAP 2005Optimization – 2004 & 2005Learning from MistakesIAP 2007 ChallengeTeam Presentations (30 min each)Facilities TourNext Steps16.810 16.810 Engineering Design and Rapid PrototypingEngineering Design and Rapid PrototypingInstructor(s)Introduction to DesignJanuary 9, 2007Prof. Olivier de WeckTeachingAssistants:Anas AlfarisNii ArmarLecture 116.8102Happy New Year 2007 !We won’t be designing White Knight or SpaceShipOne this IAP, but ...You will learn about “the design process” and fundamental building blocks of any complex (aerospace) system16.8103Quote“The scientist seeks to understand what is; the engineer seeks to create what never was” -Von Karman16.8104Outline Organization of 16.810 Motivation, Learning Objectives, Activities (Re-) Introduction to Design Examples, Requirements, Design Processes (Waterfall vs. Spiral), Basic Steps “Design Challenge” - Team Assignments Previous Years (2004, 2005) This Year: MITSET (30 min), VDS (30 min) Deliverables Checklist, Team Assignments Facilities Tour16.8105Organization of 16.81016.8106Expectations 6 unit course (3-3-0) – 7+1 sessions TR1-5 in 33-218 , must attend all sessions or get permission of instructors to be absent This is for-credit, no formal “problem sets”, but expect a set of deliverables (see -list) Have fun, but also take it seriously The course is a 3rdyear “prototype” itself and we are hoping for your feedback & contributions Officially register under 16.810 (Jan 2007) on WEBSIS16.8107History of this CourseDecember 2002 Undergraduate Survey in Aero/Astro Department.Students expressed wish for CAD/CAE/CAM experience. April 4, 2003 Submission of proposal to Teaching and EducationEnhancement Program (“MIT Class Funds")May 6, 2003 Award Letter received from Dean for Undergraduate Education ($17.5k)June 5, 2003 Kickoff MeetingSept 18, 2003 Approved by the AA undergraduate committee (6 units)Fall 2003 PreparationJan 5, 2004 First Class (Topic: Bicycle Frame Design) Fall 2004 PreparationJan 4, 2005 Second Class (Topic: Race Car Wing Design)Jan 2007 Third Class Æ Focus on helping student projectssee: http://ocw.mit.edu16.8108A 2001 survey of undergraduate students (Aero/Astro) – in conjunction with new Dept. head search- There is a perceived lack of understanding and training in modern design methods using state-of-the-art CAD/CAE/CAM technology and design optimization. - Individual students have suggested the addition of a short andintense course of rapid prototyping, combined with design optimization.Needs – from students16.8109 A good understanding of engineering science fundamentals Mathematics (including statistics) Physical and life sciences Information technology (far more than “computer literacy”) A good understanding of design and manufacturing processes (i.e. understands engineering) A multi-disciplinary, systems perspective A basic understanding of the context in which engineering is practiced Economics (including business practice) History The environment Customer and societal needs Good communication skills Written Oral Graphic Listening High ethical standards An ability to think both critically and creatively - independently and cooperatively Flexibility. The ability and self-confidence to adapt to rapid or major change Curiosity and a desire to learn for life A profound understanding of the importance of teamwork.• This is a list, begun in 1994, of basic durable attributes into which can be mapped specific skills reflecting thediversity of the overall engineering environment in whichwe in professional practice operate. • This current version of the list can be viewed on the Boeingweb site as a basic message to those seeking advice fromthe company on the topic. Its contents are also includedfor the most part in ABET EC 2000.Boeing List of Boeing List of ““Desired Attributes of an EngineerDesired Attributes of an Engineer””16.81010• Determine quickly how things work• Determine what customers want• Create a concept• Use abstractions/math models to improve a concept• Build or create a prototypeprototypeversion• Quantitatively and robustly testrobustly testa prototype to improveconcept and to predict• Determine whether customer value and enterprise value are aligned (business sense)• Communicate all of the above to various audiences•Much of this requires “domain-specific knowledge” and experience• Several require systems thinking and statistical thinking• All require teamwork, leadership, and societal awarenessAn engineer should be able to ...Slide from Prof. Chris Magee16.81011Leads to Course ObjectiveDevelop a holistic view and initial competencyin engineering design by applying a combination of human creativity and modern computational tools to the synthesis of a simple component or system.16.81012Mind Map16.810“Competency”-can notonly talk about it ordo calculations, butactually carry out theprocess end-to-end“Human Creativity andComputational Tools”:design is a constant inter-play of synthesis and analysis “Holistic View”-of thewhole. Think about:- requirements,design, manufacturing,testing, cost ...“Engineering Design”- what you will likelydo after MIT“Components / Systems”:part of all aerospace systems,But must be “easy” to implement in a short time“Rapid Prototyping”-a hot concept inindustry today.16.81013Course Concept16.81014Course Flow Diagram (2007)CAD IntroductionFEM/Solid MechanicsAvionics PrototypingCAM ManufacturingHand sketchingInitial CAD designFEM analysisOptimizationRevise CAD designAssemblyParts FabricationProblem statementFinal ReviewTestLearning/Review Deliverables(A) Requirements and Interface Document(B) Hand Sketch(D) Manufacturing and Test