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 (kNm^2); (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 (kNm^2); (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