AFNOR SSLL08: 2D semi-circular arch bending
1. Problem definition

-
Material properties:
- Young's modulus, E = 200 GPa
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Section properties:
- Hollow circular section
- External diameter = 20 mm
- Internal diameter = 16 mm
2. Songeya model

3. Comparison
| Position | Parameter description | Songeya results | AFNOR results | Difference | Comment |
|---|---|---|---|---|---|
| A | Rotation, RY (rad) | 3.0809e-2 | -3.0774e-2 | 0.1% | OK |
| C | Rotation, RY (rad) | -3.0809e-2 | 3.0774e-2 | 0.1% | OK |
| B | Translation, TZ (m) | -1.9218e-2 | -1.9206e-2 | 0.1% | OK |
| C | Translation, TX (m) | 5.3887e-2 | 5.3912e-2 | 0.0% | OK |
4. Reference
Société française des mécaniciens. (1990). Guide de validation des progiciels de calcul de structures. Afnor.