Research Article
Strength Analysis Modelling of Flexible Umbilical Members for Marine Structures
Table 2
Comparison with Custódio and Vaz test data, simulation data from Custido and Vaz, and simulated results from Sævik and Bruaseth.
| Layer | Test results | Custódio and Vaz | Sævik and Bruaseth | Present model |
| EA under tension, MN | 71–101 | 82.9 | 100 | 82.9 | Coupling (m) (axial strain/torsion) | No data | 0.19 | 0.21 | 0.11 | GJ clockwise (kNm2) (tension = 0 kN) | 14.5–56.3 | 44.7 | 44.3 | 44.4 | Coupling clockwise (rad/m) (torsion/axial strain) | No data | 182 | 188.0 | 202 | GJ anticlockwise (kNm2) (tension = 0 kN) | 15.9–17.22 | 19.1 | 19.5 | 16.5 | Coupling anticlockwise (rad/m) (torsion/axial strain) | No data | −406 | −330.0 | −190 |
|
|