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Design Process and Visualization

Design Process and Visualization. Lecture 2. Topics For Today. Questions on Drawings 1 and 2 ? Purdue Visualization Assessment Online through WebCT (22 minutes) http://class.osu.edu > H191 > Purdue Visualization Introduction To Engineering Design Process

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Design Process and Visualization

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  1. Design Process and Visualization Lecture 2 Autumn Quarter

  2. Topics For Today • Questions on Drawings 1 and 2 ? • Purdue Visualization Assessment • Online through WebCT (22 minutes) • http://class.osu.edu > H191 > Purdue Visualization • Introduction To Engineering Design Process • Design Visualization & More Freehand Sketching • Work on Drawings 3 and 4 • Permanent Seat Assignment Today Autumn Quarter

  3. Engineering Design Process - Chap 14 • IDEATION • REFINEMENT • IMPLEMENTATION Autumn Quarter

  4. What Is Design? • PROCESS OF CONCEIVING OR INVENTING IDEAS • COMMUNICATING THOSE IDEAS TO OTHERS • PRIMARY PURPOSES: • PERSONAL EXPRESSION • PRODUCT OR PROCESS DEVELOPMENT Autumn Quarter

  5. The Art Of Design • CREATIVITY AND EXPRESSION • DESIGNING FOR LOOK AND FEEL • DESIGN FOR FUNCTION AND PURPOSE Autumn Quarter

  6. The Practice Of Engineering Design • FOR ENGINEERS IT IS DESIGN WITH ANALYSIS • DESIGNING TO SOLVE A PROBLEM • PRODUCT DESIGN • SYSTEM OR PROCESS DESIGN Autumn Quarter

  7. The Ideation Process • PROBLEM IDENTIFICATION • Problem Statement • Research • Data Gathering • Objectives • Limitations • Scheduling Autumn Quarter

  8. PRELIMINARY IDEAS Notes Sketches/Models Brainstorm Synthesis PRELIMINARY DESIGN Evaluation Selection The Ideation Process Autumn Quarter

  9. MODELING Geometric Simulation Animation Charts, Graphs, Diagrams DESIGN ANALYSIS Properties Mechanism Functional Human Factors The Refinement Process DESIGN VISUALIZATION Autumn Quarter

  10. The Implementation Process • PLANNING • PRODUCTION • MARKETING • FINANCE • MANAGEMENT • SERVICE • DOCUMENTATION Autumn Quarter

  11. Design Visualization • Eye - Hand coordination is important when sketching • Eye - Mind - Hand connection is crucial to "ideation" sketching • First step is make a sketch to understand the 3-D object or its design • Next step is to evolve the design • Reference: BTG Chapter 3 Autumn Quarter

  12. Solid Object Features • Features or Attributes of an object: • Edges • Faces • Limiting Element(s) • Vertices • Shape (of faces) Autumn Quarter

  13. General Visualization Techniques • Solid Object Combinations • Additive • Subtractive • Planar Surfaces • Cutting Plane - normal, inclined, oblique • Symmetry Autumn Quarter

  14. Visualization Techniques For Engineering Drawings • Image plane • Like 2D picture • Object-Image Orientation • Gives rise to Primary Axes and thinking about the third dimension • Multiple Image Planes • Produces our Multiview Drawings Autumn Quarter

  15. Missing Line Problem – Example 1 One or more lines are missing. Add lines to make views complete. Autumn Quarter

  16. Example 1 Solution Missing Line Problem Autumn Quarter

  17. Missing Line Problem – Example 2 One or more lines are missing. Add lines to make views complete. Limiting element Autumn Quarter

  18. Example 2 Solution Missing Line Problem Autumn Quarter

  19. In Class Exercise Given the Top and Front views shown here, how many right side views can you draw? Discuss at your table Hint: Verify by sketching the isometric view Autumn Quarter

  20. A B C Possible Solutions There are many more Autumn Quarter

  21. Assignments • Dwg 3 – ML-2 – Add missing line(s). Sketch pictorials as needed to solve problems. • Due at end of today’s lecture • Dwg 4 – A6 – Draw the missing line in each orthographic set in PENCIL (using red to draw the missing lines is optional) • Due at beginning of next lecture Autumn Quarter

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