w1_2_CAD and Computing_Sp12

w1_2_CAD and Computing_Sp12 - Lab1background: CAD and...

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Lab1background: CAD and Computing IE 332 -- 1.11.2012 Agenda: 1. CAD Benefits of CAD History of CAD CAD for all engineering practices 2. AutoCAD Basic Concepts Online resources
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Design Problems Solutions Evaluation Implementation 2
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Drafting http://www.flickr.com/photos/dallaportfolio/523941848/ 3
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Computer Aided Design (CAD) http://en.wikipedia.org/wiki/Image:Schneckengetriebe.png 4
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CAD (continue) 5 CATIA CAD Systems
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Benefits of CAD as proven in practice 1. Higher precision / quality of the resulting design 2. Lower unit costs (both for design itself and the implemented production/ service) 3. Identify and eliminate inefficiencies / defects 4. Increased workload capacity & productivity (of designers) 5. Greater feedback and control of production operations 6. Improved overall communications, collaboration 7. Increased accuracy of PLM data 8. Increased design flexibility 9. Increased design data integrity 10. Increased convenience of data archiving 6 C o n c u r r e n t d e s i g n / e n g i n e e r i n g
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History of CAD Ivan Sutherland at MIT pioneered interactive computer graphics in the 1960s. At the end of the 1960s there were fewer than 200 CAD workstations Industrial applications “exploded” during the 1970s and ever since. CAD of mechanical, electrical, any components, parts, systems, facilities, buildings, bridges. 7 http://www.archive.org/movies/thumbnails.php?identifier=AlanKeyD1987 SketchPad by Sutherland in 1963 IEs use CAD for product, facility, process, and method design/planning. What else?
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Evolution of CAD Modeling 2D modeling (e.g., AutoCAD) 3D wireframe modeling 3D “dumb” solid modeling (e.g., Google Sketch; see on youtube.com) 3D parametric solid modeling (e.g., Alibre Design) Feature-based modeling and AI applications Integration with other engineering functions 8
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Expressing the model of the designed entity (by human designers, customers, users, builders, investigators, auditors) Representing the complete, unambiguous entity by the model (= by the computer software, or physical model) Rendering (showing) the design model for discussion, understanding, and analysis 9 Three main CAD Model Functions
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CAD and Beyond Computer-Aided Engineering (CAE)
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This note was uploaded on 02/22/2012 for the course IE 332 taught by Professor Staff during the Spring '08 term at Purdue University-West Lafayette.

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w1_2_CAD and Computing_Sp12 - Lab1background: CAD and...

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