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Engineering Design: A Creative Process for Problem Solving

This chapter explores the objectives and steps of the engineering design process. It covers defining problems and constraints, methods of ideation, creating and testing design solutions, communicating the final design, the importance of teamwork and ethics, design improvement, and the purpose of an engineering notebook.

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Engineering Design: A Creative Process for Problem Solving

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  1. 3 Chapter Engineering Design

  2. Objectives • Define engineering design. • Describe the steps of the engineering design process. • Explain how to define a problem and its constraints. • Identify various methods of ideation. • Summarize the processes of creating and testing design solutions. • Explain how to communicate the final design solution. • Describe the purpose of an engineering notebook.

  3. Engineering Design Creative application of technology Design systems, products, processes to solve problems or meet needs yuyangc/Shutterstock.com

  4. Teamwork Effective teams have varying skills, diverse backgrounds Work together to solve problems Respect, communicate, recognize, commit Teamwork skills important to employers

  5. Ethics Engineers must conduct selves in ethical way Primary concerns are public safety, well-being Truthfulness Follow accepted standards Work only in area of expertise

  6. Engineering Design Process Guides user from problem identification to design solution Used by all engineers in some way Reworking previous steps is common

  7. Engineering Design Process Goodheart-Willcox Publisher

  8. Problem Definition • Identify real problem • Research • Develop problem statement • Define constraints • Create design brief • Includes constraints

  9. Problem Definition Goodheart-Willcox Publisher

  10. Idea Generation • Ideation • No wrong answers • Generate as many ideas as possible • More ideas increase likelihood of good solution • Brainstorming • Keep records, using sketches, words • Research

  11. Solution Creation • Evaluate designs • Select, refine best solutions • Communicate solutions • Drawings • Computer-generated solutions

  12. Evaluate Designs Rank criteria in order of importance Give numeric value to criteria Score designs based on meeting criteria

  13. Communicate Solution • Drawings • Renderings, detail drawings, three-dimensional (3-D) models • Computer-generated solutions • Computer-aided design (CAD) software, computer numerical control (CNC) equipment Goodheart-Willcox Publisher

  14. Test/Analysis • Engineers select best test to evaluate solution • Computer simulations • Prototypes • Rapid prototyping • Solutions can fail testing • Return to appropriate design process step, work through

  15. Final Solution or Output • Mechanical drawings • Pictorial drawings • Orthographic drawings (multiview drawings) • Specifications sheets • On completion, sent to management, client for approval Goodheart-Willcox Publisher

  16. Design Improvement No perfect design Always room for improvement Keep up with technology, marketplace demands Use feedback to improve design

  17. Reverse Engineering • Examine existing products, processes • Disassemble for better understanding • Has ethical implications • Illegal to use patented ideas Roongzaa/Shutterstock.com

  18. Engineering Notebooks • Written record of all information from project • Legal document • Fixed binding • Do not remove or add pages • Cross out blank space Goodheart-Willcox Publisher

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