... 02 2012 design engineering hydrodynamics offshore installations rotors wind turbines Environmental, esthetic, and political pressures continue to push for siting offshore wind turbines beyond sight of land, where waters tend to be deeper and the use of floating structures...

... described by an “S-N” curve. The Dirlik method gives the expected number of stress cycles n i based upon the stress spectrum in the frequency domain. 17 08 2010 12 09 2011 02 02 2012 02 02 2012 design engineering elasticity fatigue finite element analysis...

.... Member diameters of the three-legged towers under the different load cases 28 07 2010 24 02 2011 06 12 2011 06 12 2011 design engineering fatigue finite element analysis impact (mechanical) offshore installations poles and towers structural engineering torsion...

... = 3 under longitudinal compression for the longitudinal stiffeners with Case III and the transverse frames with Case B 30 06 2010 02 06 2011 05 12 2011 05 12 2011 buckling compressive strength design engineering elasticity finite element analysis nonlinear...

... in model tests with the real damping due to the risers in VIM. 01 04 2010 06 12 2010 13 10 2011 13 10 2011 damping design engineering offshore installations vortices water waves vortext-induced motion (VIM) monocolumn platform spar platform model test...

... amplification in both headings (higher for the NW heading), in which the motions are larger (Fig. 18 ). Variation in nondimensional periods as a function of reduced velocities for different headings 11 12 2009 10 12 2010 12 10 2011 12 10 2011 design engineering offshore...

... design engineering genetic algorithms Pareto optimisation ships There are many currently available programs that can be used to analyze a preliminary naval project such as General HydroStatics Software (GHS), NavCad TM (software tool for the prediction and analysis of vessel speed and power...

... design engineering fatigue magnetorheology offshore installations shock absorbers structural engineering vibration control magneto-rheological dampers offshore steel jacket platforms structural vibrations hydrodynamic forces Offshore platforms have developed over the years from...

... (structures) design engineering gas industry numerical analysis offshore installations petroleum industry safety storage structural engineering supports floating production storage offshore systems (FPSOs) hull girder ultimate strength Smith’s method idealized structural unit method (ISUM...

... 12 2010 06 12 2010 design engineering Fourier analysis maximum likelihood estimation ocean waves oceanographic regions Pareto analysis Poisson distribution storms structural engineering The duration of some offshore activities is limited to a certain period of time...

... . 10.1115/1.2830083 DNV-RP-C203 , 2008 , Fatigue Strength Analysis of Offshore Steel Structures , Det Norske Veritas , Høvik, Oslo, Norway . 06 09 2008 02 04 2010 04 11 2010 04 11 2010 design engineering pipelines pipes simulated annealing steel...

... may deduct uncertainties in misalignment inherent S-N data. This is further considered in Sec. 5C . butt welding design engineering fatigue foundations probability safety welds fatigue S-N data pile driving piles fabrication tolerances stress concentration factors design...

... with and without adjustment for exposure effects 20 01 2009 26 06 2009 17 06 2010 17 06 2010 data analysis design engineering ice offshore installations sea ice structural engineering probabilistic methods ice load estimation ship-ice interaction offshore structures...

... ( 1 ), focuses on local ice pressure estimation methodology. Latest efforts on global ice pressure estimation are found in Refs. 2 3 . 20 01 2009 29 06 2009 17 03 2010 17 03 2010 design engineering ice offshore installations probability ships time series...

.... , and Cho , Y. , 2005 , “ Field Installation and Pullout Test of Embedded Suction Anchors ,” Transp. Res. Rec. 0361-1981 , 1936 , pp. 117 – 123 . 10.3141/1936-14 05 10 2008 24 07 2009 10 03 2010 10 03 2010 anchors concrete design engineering flanges foundations...

... repetitive FEAs. Several numerical applications on a simple plate and an offshore tower are used to verify the effectiveness of the LEAP algorithm for stress redesign. 04 09 2007 19 05 2009 22 12 2009 22 12 2009 design engineering finite element analysis offshore installations...

... and temporally. Another challenge for tidal turbines is the susceptibility to fluid cavitation, which can cause undesirable effects such as performance decay, blade surface erosion, noise, and resonant vibration. blades boundary layers boundary-elements methods cavitation design engineering finite...

... the interaction of the engineering shear stress and parallel shear stress. The interaction equations are compared in Figs. 14 15 for N ref = 2 × 10 5 and 2 × 10 6 cycles, respectively. 15 08 2008 19 12 2008 04 09 2009 code standards design...

... , “ A Direct Calculation Approach for Designing a Ship-Shaped FPSO’s Bow Against Wave Slamming Load ,” Proceedings of the 12th ISOPE , Kitakyushu, Japan, May 26–31. 28 10 2008 05 03 2009 03 06 2009 design engineering finite element analysis impact (mechanical) marine vehicles...

...-effective optimum design, which is the motivation of the present paper. life-cycle cost cost-effective design structural reliability optimal design offshore platform ice load design engineering failure analysis fatigue life cycle costing offshore installations reliability vibrations...