|
|
The dynamic analysis is the most sophisticated way of analyzing a mooring system as most mechanisms and effects are now modeled. There is no universal agreement on mooring line damping à uncertainties in outcome. The dynamic design is computationally intensive The following equations derived by Goodman and Breslin (1976) model the mooring line dynamics:
Equations 1 to 5 provide the
relationship between five unknowns
Generally the motions of the semi-submersible are calculated independently of the estimates for the line dynamics. (For deep water mutual interactions need to be taken into account!) Mooring lines now modeled more accurately: not only mass of the lines (catenary equation) but also damping and inertial effects are taken into account. Methodology: Non-linear time domain solutions developed about initial, static position are used. Mooring lines are modeled by decomposing them into lumped mass elements at the ends of line segments Remarks:
|
Send mail to
m.h.p.bijl@student.tudelft.nl with
questions or comments about this web site.
|