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Publications
Skourup, J., Sterndorff, M.J., Smith, S.F., Cheng, X., Ahilan, R.V., Guedes Soares, C. and Pascoal, R. (2004), “Experimental Study of Loads on an FPSO in Design Environmental Conditions”, Proceedings of the OMAE Specialty Conference on Integrity of Floating Production, Storage & Offloading (FPSO) Systems, ASME, New York, Paper OMAE-FPSO’04-0069
An extensive model test program has been carried out with a turret moored segmented FPSO model in design environmental conditions. The model tests were carried out in the 3D offshore wave basin at DHI Water & Environment at a scale of 1:80. The objectives of the model tests were two-fold: 1. To determine quadratic transfer functions for the slowdrift forces 2. To determine wave induced loads in the turret moored segmented FPSO in design environmental conditions with wave spreading The model tests were made with a wide range of monochromatic and bi-chromatic wave conditions and also with long- and short crested irregular wave conditions. For the tests in design conditions the irregular waves were combined with the corresponding wind condition. The model (which was segmented into two parts) was equipped with instruments to measure forces in mooring lines and turret, 6 dof motions of the FPSO, bending moments on the FPSO hull and wave run-up on the FPSO model. The present paper focuses on the measured results in design environmental conditions. Special emphasis is given to the analyses of forces in mooring lines and turret and analyses of the bending moment on the FPSO hull. Some results of the motions (QTFs and RAOs) have been published at the 23rd OMAE conference (see Skourup et al. 2004).
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