The Slow Drift Oscillations of a Moored Object in Random Seas

AuthorsRemery, G.F.M., Hermans, A.J.
Conference/JournalSociety of Petroleum Engineers Journal
DateJun 1, 1972
Volume12
DOIhttps://doi.org/10.2118/3423-PA
The phenomenon of the slowly varying drifting force on a mowed object in a random sea is explained and illustrated from the results of several model tests with a rectangular barge. These tests, conducted at the Netherlands Ship Model Basin, were an extension of an object executed program. Using the results of measured or calculated drifting forces on an object moored in regular waves, a prediction can be Made of the drifting forces induced by wave trains consisting of regular wave groups.Also, for an irregular wave train the drifting force on the barge can be computed as a function of time, which makes it possible to calculate the surge motion of the barge. The results of tests and calculations show a reasonable agreement.

This paper is copyrighted material and cannot be shared. Due to copyright policy MARIN is not allowed to reproduce and distribute papers written for and presented at the OTC (Offshore Technology Conference), ISOPE (International Ocean and Polar Engineering Conference) and SPE (Society of Petroleum Engineers). You can order these papers through
www.OnePetro.org.

For this specific paper see: www.onepetro.org/journal-paper/SPE-3423-PA.
Tags
stability, seakeeping and ocean engineeringwaves, impacts and hydrostructuralcfd developmentcfd/simulation/desk studiesmeasurements and controldata sciencetime-domain simulationsrenewablesoil and gasinfrastructuremarine systemslife at seamodel testingmotionssimulationwavesoffshore engineering