AFNOR SSLS14: Spherical shell subjected to a pressure
1. Problem definition
-
Material properties:
- Young's modulus, E = 210 GPa
- Poisson ratio, nu = 0.3
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Thickness properties:
- Thickness: 20 mm
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Supports:
- Fix translation along top edge
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Loads:
- Internal pressure of 10 kPa
2. Songeya model
3. Results
3.1 Total deformation
3.2 Membrane stresses
3.2.1 Radial stress
4. Comparison
| Position | Parameter description | Songeya results | AFNOR results | Difference | Comment |
|---|---|---|---|---|---|
| A | Stress tress (Pa) | 2.49 e+5 | 2.50 e+5 | 0.4% | OK |
| A | Radial translation (m) | 8.36 e-7 | 8.33 e-7 | 0.4% | OK |
5. Reference
Société française des mécaniciens. (1990). Guide de validation des progiciels de calcul de structures. Afnor.