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Pressure Vessels — Thin-Walled Theory
Inside this lesson
- Derive and apply the thin-walled hoop and axial stress formulas for a cylinder
- Derive and apply the membrane stress formula for a sphere
- State the thin-wall validity limit (r/t ≥ 10) and explain why it matters
- Explain why hoop stress governs the design of cylindrical vessels
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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.