...) output through a rectifier. Additionally, there are two torsional springs connected to the shafts that provide a counter force to bring the buoy back to its equilibrium position. sustainable development base model wave period wave energy converter sustainability ocean energy wave height wave...

... transportation calculation upstream oil & gas arrangement wreck salvage contractor lifting beam sewol ground reaction bow lift subsea system hull forecast buoyancy excavation interpretation investigation wave period variation A. Guha , " Development and application...

... 2MET. crest conundrum upstream oil & gas water depth crest elevation simulation negative conundrum correction n-year wave wave height guidance design wave approach conundrum stream function wave n-year crest loading return period crest wave period design wave...

... areas. Secondly, long term distributions of maximum wave height ( H max ) crest elevation ( C max ) are derived following the storm event based approach. Thirdly, short term distribution of wave period conditional on the large individual wave height in a sea state is given by multiple regressions...

... 5 Option-2 Scatter Diagram Lumping Method (Proposed in This Paper) Option-2 scatter diagram lumping method applies for selected wave periods and lumps them into an equivalent wave period following a general concept similar to the Option-1 lumping method. However, the wave periods adjacent...

... and 3D potential theory. According to the design maximum allowable roll or pitch amplitude of 6 degrees, the maximum allowable significant wave heights were calculated for a range of wave period based on a cyclic iterative method. Then suitable weather widow for the towing operation was recommended under...

.... the structural code checks for tubular members) Introduction of additional structural member checks Re-structuring of 5-5A into a more logical ISO format Introduction of "benign" changes required for ISO compatibility (e.g.introduction of apparent and intrinsic wave periods), although some proved tobe...

... will be preferred, as it allows for derivingconsistent sets of metocean data at any location within the database area. Thiswill obviously require some capital investment, but in the end will becomehighly useful and profitable. metocean parameter boundary database tide wave period wave condition...

...]. Intrinsic/Apparent wave period: ISO 19901-1 defines the difference between theintrinsic and apparent wave periods, and states how they should each be usedwhen calculating the wave actions on an offshore structure. The paper describesa method for modeling a random seastate to account for the fact...

.... In other cases again, it may be that there are issues which have not been addressed previously at all and which are unique to the offshore LNG application. flng terminal liquified natural gas wave period membrane tank hull tank application gas monetization ship lng gas carrier otc 20513...

... to their component limitations. It is therefore of critical importance that an accurate assessment of riser system loads and vessel response be made. operation wave period disconnect deployment riser stack-up assessment hang-off configuration otc 20775 configuration scenario harsh environment...

... Pitch Decay Response. 10 OTC 15378 0 0.1 0.2 0.3 0.4 0.5 0.6 0.7 0.8 0.9 1 1.1 1.2 4 6 8 10 12 14 16 18 20 Wave Period (s) H ea ve R A O (m /m ) With Transfer Line w/o Transfer Line Figure 7 Regular Wave First Order Coupled Heave Motion RAOs of CALM Buoy. 0 0.25 0.5 0.75 1 1.25 1.5 1.75 2 2.25 4 6 8 10...

... of the vessel, when the design wave period, as determined from wave statistics, coincides with the pitch natural period. An additional consideration arises from the fact that numerous risers are attached over a considerable length along the port side of the vessels. In such cases, a single design wave may...

... upstream oil & gas year storm design consideration greenwater height mooring system vessel draft greenwater wave period model test procedure probe probability analysis greenwater impact deepest draft greenwater occurrence otc 13208 greenwater velocity fpso subsea system...

... Abstract Motion response of spar platforms is studied, using a simplified calculation method. Classical spar platforms are vulnerable to heave resonance in sea states with long wave periods. Mathieu unstable pitch motion combined with extreme amplitude heave resonance is detected both by using...

... crest height. The maximum expected crest height is estimated from probability-based models aimed at predicting the largest wave in a particular return period. This so-caIled design wave is specified in terms of height and wave period. The intention is to position the deck at a sufficient elevation...

... interaction and, as a result, it is of interest to examine the accuracy and potential bias of the method for extreme design conditions. In the API procedure, as also outlined in Ref. 2, wave kinematics are computed in a coordinate system moving at the steady current speed using an apparent wave period...

... conditions. By combining the Rayleigh distribution with a joint frequency table for wave heights and wave periods, the long-term probability for a signal can be oblained. For Voyage Acceleration Climate, we have to sum over the number of voyage legs, the wave direction with respect to the ship...

... the forecast signifhnt wave height at design site.. The number of waves in various height and period ranges for a given sea ~te are mrnputed from joint height/period statistics. The wave height distrilxnion used is the Gum&l distribution. 4 The wave period distribution giving the potability P that a wave...

... into the various aspects which play a role in the green water loading on FPSO units. First the occurring phenomena are described. Second the effect of the environmental conditions, such as the wave height, wave period and current velocity, are highlighted. Finally several design aspects are considered...