... ABSTRACT In the present study, the effect of bottom undulations on the performance of a trapezoidal shaped oscillating water column (OWC) in the presence of a shore-fixed wall is investigated numerically using the boundary element method (BEM). The BEM is used to generate a solution...

... is used to validate the previous experimental results and to investigate the comparative hydrodynamic performance of the two OWCs considered in this study. The 3D numerical model was preferred for the study. The performance characteristics of the two models considered herein are evaluated, and the results...

... ABSTRACT The present study investigates the hydrodynamic performance of an onshore land-based OWC-WEC device by analyzing its annual averaged efficiency in a random wave environment. To analyze the hydrodynamic efficiency of the wave energy converter device in a real marine environment, two...

... with the experiments but necessitate further investigations into the over-prediction of the roll response. INTRODUCTION Liquefied Natural Gas (LNG) offloading operations involve a LNG carrier (LNGC) closely approach and subsequently moor side-by-side to an offshore Floating LNG (FLNG) production platform. The LNGC...

... if the incident wave frequency matches the gap resonance frequency of the water column. These violent wave motions, coupled with the motion of the vessels, demand extensive laboratory model tests to develop a better understanding of the hydrodynamics. In the present study, an experimental investigation has been...

... ABSTRACT Investigating hydrodynamic loads on natural vegetation is essential for nature-based solutions in physical models. While simplified vegetation models can mimic flow resistance adequately, realistic root systems are crucial for investigations regarding erosion stability of vegetated...

... ABSTRACT In current investigation, we present a numerical investigation of multi nozzle entrainment-based hydraulic ejector system, which is intended for transporting polymetallic nodules (PMNs) from a nodule collector system to the mining machine. The system is primarily dependent on high...

... Test (S&CPT), was proposed for investigation of the mechanical properties of the seabed for foundation design of bottom-mounted offshore wind turbine towers. After a prototype apparatus was manufactured, series of laboratory and field tests were carried out to investigate the feasibility...

... and offshore zones Thus, investigations on submerged plate have been focused on their reflection and transmission characteristics (Stamos and Hajj, 2001.), or the generation of higher order bound and free harmonic waves that affects the sailing conditions (Brossard and Chagdali, 2001; Lin et al., 2014...

... ABSTRACT This paper aims to investigate the performance of a pusher-barge system in regular waves. The numerical simulation is carried out through the implementation of an in-house code for the evaluation of the first-order (linear) hydrodynamic properties. For the potential flow problem...

... Abstract Extensive studies have been conducted, both experimentally and numerically, in the last decades, however mostly on relatively low Reynolds numbers. The flow field around a sphere in an uniform flow is investigated by the numerical simulations using Large Eddy Simulation (LES...

... reservoir characterization tidal flat mudflat boundary layer estimation field investigation velocity profile continental shelf research bottom roughness length profiler investigation tide Near-bed Velocity Profile and Friction Characteristic of Tide-induced Bottom Boundary Layers...

... Abstract The numerical investigation of the passive hydrodynamic performance of the manta ray beneath the water surface is presented. The main aim is to investigate the effect of attack angle on hydrodynamic forces of the manta ray near the water's surface. Three dimensional incompressible...

.... The result of investigations is the probabilistic model of ice conditions at concrete foundation of Raahe lighthouse for various ice scenarios with a view on correlation and stochastic relationship between observed values of ice parameters. INTRODUCTION Ice investigations around lighthouses in the Gulf...

... ABSTRACT: This paper presents the experimental investigation of characteristics of impact pressure patterns. The irregular motion of motion platform was generated from narrow and moderate band width white noise. Two different filling ratios of 20%H and 70%H were tested. The pressure time...

... the vibrations of structures in both cross-flow and in-line directions, The vast research efforts have been focused on understanding and predicting the dynamic response of vortex-induced vibration by means of experimental and numerical approaches. Contrasted to the extensive investigations on the cross-flow...

...Performance Studies for Technological Complex Platform "Prirazlomnaya" Moored Tanker in Ice Conditions E.B. Karulin, M.M. Karulina Krylov Shipbuilding Research Institute St. Ptersburg, Russia ABSTRACT The paper presents results of theoretical and experimental investigations into performance...

... ABSTRACT: This study presents the result of investigation of gap effect in slamming experiment. The transverse gap, longitudinal gap, and vertical air gap effects were investigated. The pressure at the center was measured to estimate the variation of pressures. It was found that the smaller...

... ABSTRACT: This paper deals with the linear two-dimensional task concerning the effect of the impulsive loads on a viscoelastic ice plate on the water surface. The three-dimensional experimental investigation of unsteady behavior of polymer plate due to successive and simultaneous shots...

... shelf of Sakhalin were organized. information concentration hydrocarbon institute upstream oil & gas vladivostok mg kg barium correspond aniva bay investigation sakhalin chemical analysis background condition piltun-astokhskoye field ecological monitoring bottom sediment...