... are carried out using both the modelscale and ship-scale geometries. The model-scale resistance is extrapolated to the ship-scale using the ITTC recommended procedure (including the resistance increment due to the hull roughness) and then compared with the data obtained from the ship-scale CFD simulation...

... crack growth low cycle fatigue total crack growth dnv-rp-f108 offshore pipeline procedure extension crack growth calculation fe model pipeline girth weld cycle 2 flaw th cycle 0 cycle fatigue cycle 0 crack extension cdf ABSTRACT Three dimensional finite element based ECA...

... resolution sustainability hoekstra simulation wake region unsteady simulation rotor-only geometry procedure equation Proceedings of the Thirty-second (2022) International Ocean and Polar Engineering Conference Shanghai, China, June 5 10, 2022 Copyright © 2022 by the International Society...

... ABSTRACT We proposed external modules for autopilot of underwater robots to promote the use of robots in port inspection. This research focuses on commercially available small underwater robots. We examined the requirements for the external module and the procedure of the target task...

..., turbulence models, etc., and thus rigorous quantification of the numerical uncertainties is necessary to be able to have confidence in the results. In the present study, a modern verification procedure is adopted to assess the numerical uncertainties in the CFD simulations. The NTNU Blind Test 1 turbine...

... ABSTRACT Most damages to structural components of ships are due to fatigue phenomena. Particular care should then be devoted to fatigue evaluation since the first phases of any ship project. All main Classification Societies have in their Rules simplified procedures for fatigue evaluation...

... on to set the benchmark for independently verified quality of grouts for use in load bearing connections offshore. For high strength grout, the scheme ensures that the critical material properties are consistently defined, and those results trusted due to independent review of the laboratory test procedures...

... in the development of the procedures for the laydown installation of the PLET and flowline. The procedures minimized the risk of damaging existing live gas export pipelines if the PLET and flowline were accidentally dropped during the attachment and laydown process. The PLET and flowline were both successfully...

... working conditions, so as to improve the efficiency of the installation and removal of the thrusters. thruster polar engineering conference sea area installation diagram mooring system propulsion module hull module thirty-first upstream oil & gas rudder module fpso procedure inner...

... to modify the inflow to the propulsion system in a way that thrust augmentation and reduction of cavitation, noise emission and vibrations are attained. freight & logistics services efficiency plane procedure social responsibility yellow circle duct probe sustainable development marine...

... Abstract In this paper; a dynamic coupling model which incorporate floating rig-riser-wellhead system; is established aims to study the hysteresis effect occurs in a drift-off process of dynamic positioning (DP) system. The proposed model and calculation procedure are verified by performing...

... clustering procedure called Self-Organizing Map (SOM) algorithm in reducing the big current database when analyzing the vortex-induced vibration of a steel catenary riser (Prevosto et al.; 2012). The clustering procedure showed a great advantage compared to the other two options since it can extract...

.../overmatch welds. In continuation of this work, a procedure for the ECA of embedded flaws in undermatch bi-metallic pipeline girth welds is proposed and numerically validated in this paper. oilfield chemistry metals & mining hydraulic fracturing corrosion inhibition production chemistry...

... assessment procedure wind energy seismic design land interaction requirement reservoir simulation tropical cyclone best track data electrotechnical commission earthquake wind turbine analytical model wind speed wind farm offshore wind turbine probability extreme wind speed A Review...

... marine transportation amendment shipbuilding specification limitation shipbuilding polar ship certificate procedure ship design fpso regulation ship lloyd ship operation polar water floating production system polar code requirement polar region envelop operational assessment...

...ABSTRACT ABSTRACT A hydrodynamic performance orientated CRP numerical design/analysis procedure is presented with a coupling approach. The proposed method couples a Lifting- Surface Method (LSM) applied to the CRP, with a steady RANS solver applied to the global flow-field, in order to account...

... of the facilities and even lead to environmental disasters. In this study, the cushion effect of liquid film on the particle erosion in elbows is investigated by using a numerical procedure. The procedure performs well in estimating the erosion of elbows under annular flow conditions. The effects of macroscopic...

... The ultimate strength of corroded steel plates with pitting corrosion is studied by stochastic FEM in this paper. An automatic 3D Finite Element Method(FEM) computation procedure scripted by MATLAB/ABAQUS/Python is proposed for stochastic solid model of corroded plates. Finishing great amount...

... In this paper, with reference to ITTC (2017) recommended procedures, the uncertainty analysis of ship resistance CFD modeling was carried out for verification and validation. By adopting the k-ε turbulence model, the non-dimension grid spacing in the near-wall conditions Y+ values are set...

... of TF , the availability of TF estimates may be source of multiple benefits, such as validation of design methods and operational procedures based on the coupling between wave forecast models (forecasted spectra in time and space) and ship TF , the so-called ship response forecast. mem ii...