Engineering Science 1050 Lecture Notes - Lecture 1: Scotch Tape, Engineering Technician, Parametric Design

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Design 1050 1
Lecture 3 - Design Process
- Science vs. Engineering
oScience – discover new knowledge
oEngineering – apply knowledge with judgement and creativity to create
innovative design solutions to benefit mankind
- Engineer – professional who can provide a practical, technically sound and often creative
and innovative solution to a problem or challenge
oTechnical – based on scientific principles
- Challenge of open endedness – more than one practical solution
- Engineering design – creating of formulating a course of action or object to satisfy a need
- Types of Design
1. Product design – medicine, scotch tape
2. Structural design – building, bridge
3. Process design – harnessing energy, chemical process
- Types of design – from COMMON to RARE
oSelection design – from a catalog
Ex. Bearing for a shaft
oConfiguration design – organize components into a package
Ex. Computer components put together in different ways
oParametric design – finding variables or parameters
Ex. optimizing volume relative to surface area of cylinder
oRedesign. Alternative design – modify and existing product
Ex. Modify bicycle but never completely new
oOriginal design – totally new
Ex. Wheel when first invented
- Analysis vs. Design Problems
oAnalysis Problem – well defined problem with one correct solution
oDesign Problem – open-ended problem with numerous solutions – involves
analysis and iteration
Design process
- Recognition of need
- Problem definition
- Information gathering and research concepts
- Generation of concepts
- Evaluation of concepts – (can return to above)
- Prototype construction and testing (can return to above 2 based on outcomes)
- Design communication
- Iteration and reflection
Lecture 4 – Engineering Profession
- Types of engineering at Western
oChemical, Civil, Computer, Electrical, Environmental, Green Process, Inegrated,
Mechanical, Mechatronics, Software
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Document Summary

Science vs. engineering: science discover new knowledge, engineering apply knowledge with judgement and creativity to create innovative design solutions to benefit mankind. Engineer professional who can provide a practical, technically sound and often creative and innovative solution to a problem or challenge: technical based on scientific principles. Challenge of open endedness more than one practical solution. Engineering design creating of formulating a course of action or object to satisfy a need. Types of design: product design medicine, scotch tape, structural design building, bridge, process design harnessing energy, chemical process. Types of design from common to rare: selection design from a catalog. Bearing for a shaft: configuration design organize components into a package. Computer components put together in different ways: parametric design finding variables or parameters. Ex. optimizing volume relative to surface area of cylinder: redesign. Modify bicycle but never completely new: original design totally new.

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