2010-Engineering_Design-9-1

2010-Engineering_Design-9-1 - 1 Computational Solid...

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1 Computational Solid Mechanics and Design Lab.
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2 Computational Solid Mechanics and Design Lab. Product Safety / Liability
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3 Computational Solid Mechanics and Design Lab. Product Safety / Liability • Often overlooked fall into difficulties • Consider Safety Engineer’s responsibility for Liability • Integral part of Human-Product interaction • Affect the perceived quality of product
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4 Computational Solid Mechanics and Design Lab. Design for Safety l The product will not cause injury or loss ü Who or what is to be protected from injury or loss during operation? ü How is the protection actually implemented in the product l Main consideration: protect people from injury by the product l Extend to Include concern for the loss of other property during operation and in case of failure. Dangerous & Litigious Situation
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5 Computational Solid Mechanics and Design Lab. Design for Safety l 3 ways for product Safety: 1. Design safety directly into the product ü Devices poses no inherent danger during normal operation ü Even in case of failure 2. Add protective devices to the product ü Shields around rotating parts ü Crash-protective structures and devices ( as in automobile design ) ü Automatic cut-off S/W ( human contact, robot ) 3. Warning of the dangers inherent in the use of a product ü Label, Board ü Loud sound ü Flashing light ü
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6 Computational Solid Mechanics and Design Lab. Product Liability l Special branch of Law ü Dealing with alleged personal injury or property or environmental damage resulting from a defect in a product. l Design engineers should know the extent of their responsibility to the product l Product Liability Suit is a common legal action Plaintiff Defendant - Tech experts, Professional Engineers testify - 1st: tech report On-site investigation Computer or Lab Simulation Evaluation of Design Record
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7 Computational Solid Mechanics and Design Lab. Product Liability l 3 Charges of Negligence to designers: 1. Product was defectively designed / manufactured ü Failure to use the state-of-the-art design consideration ü Improper calculation ü Poor materials ü Insufficient testing ü Accepted standards were not followed - Design must keep good design records use ‘standards’ use the state-of-the-art technology follow a rational design process. 2. Design did not include proper safety devices - foresee all reasonable safety-compromising aspects 3. Designer did not foresee possible alternative uses of product - lawn mower, iron
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8 Computational Solid Mechanics and Design Lab. Product Liability l Not all trial results are logical l Product must be ‘idiot-proof’ l Should not be improperly advertised l Instruction for safe use of the product were not given l Military standards
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Computational Solid Mechanics and Design Lab. Product Safety / Liability
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This note was uploaded on 11/21/2010 for the course MECHANICAL mae302 taught by Professor Jang during the Spring '10 term at Seoul National.

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2010-Engineering_Design-9-1 - 1 Computational Solid...

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