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Factor of Safety, Allowable Stress & Design Philosophy
Inside this lesson
- Define factor of safety based on yield strength and ultimate strength
- Compute allowable stress from material strength and required FS
- Size a simple member so its working stress stays below the allowable stress
- Explain why FS varies by application (aircraft vs building vs pressure vessel)
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Educational content covering topics typical of a first- and second-year mechanical engineering curriculum. Not a substitute for accredited coursework, and not suitable for real structural design without review by a licensed professional engineer.