AFNOR SSLS11: Thin-walled cone subjected to uniform internal 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 Sxx
3.2.2 Syy
4. Comparison
| Position | Parameter description | Songeya results | AFNOR results | Difference | Comment |
|---|---|---|---|---|---|
| A | Vertical stress (Pa) | 1.44 e+5 | 1.44 e+5 | 0.0% | OK |
| A | Horizontal stress (Pa) | 2.88 e+5 | 2.89 e+5 | 0.3% | OK |
| A | Translation, TX (m) | 0.5821 e-6 | 0.5842 e-6 | 0.4% | OK |
5. Reference
Société française des mécaniciens. (1990). Guide de validation des progiciels de calcul de structures. Afnor.