apsccase2

apsccase2 - Failure- A failure occurs in an engineering...

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Failure- A failure occurs in an engineering project when the system cannot deliver the expected performance performance is impacted when a demand on the system exceeds the capacity of the system to support this demand Temporary failures- future performance of system is not impacted by the failure Permanent failures- future performance of the system is degraded by the failure A failure occurs because -the failure was never considered -the demand exceeded expectations (roll of dice, freak conditions) -the capacity did not meet expectations (substandard materials, fabrication errors) -Mistakes were made in the design Methods of identifying potential failures -Failure mode and effects analysis FMEA consider every component of a system and how it could fail and what effects it would have -Fault tree analysis consider every failure and determine every sequence of events leading to that failure (developed for nuclear power industry, can be used to estimate probability of failure) methodology for FMEA -decompose system into individual components -how can each component fail? -list effects/consequences of each component failure
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apsccase2 - Failure- A failure occurs in an engineering...

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