AFNOR SSLS09: hin-walled cylinder under hydrostatic pressure
1. Problem definition
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Material properties:
- Young's modulus, E = 210 GPa
- Poisson ratio, nu = 0.3
- Unit weight = 78.5 kN/m^3
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Thickness properties:
- Thickness: 20 mm
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Supports:
- Fix translation in Z on one end
- Apply symmetry boundary conditions to achieve equilibrium
-
Loads:
- Self weight
2. Songeya model
3. Results
3.1 Total deformation
3.2 Membrane stresses
4. Comparison
| Position | Parameter description | Songeya results | AFNOR results | Difference | Comment |
|---|---|---|---|---|---|
| B | Translation, TX (mm) | 4.401 e-3 | 4.490 e-3 | 2.0% | OK |
| B | Circumferential stress (kPa) | 306.0 | 314.2 | 2.6% | OK |
| A | Translation, TZ (mm) | -2.995 e-3 | -2.990 e-3 | 0.2% | OK |
5. Reference
Société française des mécaniciens. (1990). Guide de validation des progiciels de calcul de structures. Afnor.