... ABSTRACT Normal flow past flat plates at high Reynolds numbers appears in various engineering contexts. To accurately model such flows for slender plates in Computational Fluid Dynamics requires scale-resolving rather than scale-modelling methods. The present paper uses Detached-Eddy...

... reinforcement learning breakwater amplitude artificial intelligence free surface elevation surface elevation wave condition interaction upstream oil & gas machine learning flat plate wave flume plate breakwater wave dissipation performance dissipation wave dissipation water...

... ABSTRACT This study proposes a numerical simulation system for the high-frequency mechanical impact (HFMI) treatment that can consider the welding residual stresses (RS). The validity of the HFMI simulation process is examined by a HFMI-treated flat plate. Then, the effectiveness...

.... cobol information extraction object-oriented architecture plate part artificial intelligence programming language hyperbolic plate flat plate base surface production design catia hull plate part boundary information target part clojure data mining contour extraction method process...

... of fin effect, not only the flow field but also the turbulence kinetic energy are measured and compared with CFD at the downstream of the model fin which is composed of the flat plate and the small fin. INTRODUCTION To improve propulsion efficiency of a ship, various kinds of Energy Saving Devices...

... (for example, Suzuki et al. (1996)). mesh thickness self-propulsion factor cfd turbulence model upstream oil & gas fin distortion propeller hull surface flat plate boundary layer plate boundary layer flat plate boundary layer velocity field isovorticity surface experiment flow...

... ABSTRACT Smoothed particle hydrodynamics (SPH) is a particle-based numerical method that is well-suited to fluid flow problems where the computational domain becomes highly deformed. In this paper we use an SPH method to simulate the impact of a flat plate on a water surface, as carried out...

... Abstract This paper presents a numerical and experimental investigation of the water entry of a rigid flat plate. The experimental work was carried out in the Ocean Basin at Plymouth University's COAST laboratory. An in-house CFD code AMAZON-CW, which is based on a compressible multiphase flow...

... and thus imposing an allowable range of density variations for the compressible phase. Verifications are conducted by means of a 2D liquid impact and impacts of rigid pates on flat water surfaces. flat plate time history khayyer experiment ec scheme peak pressure mp method verhagen impact...

... Abstract Aeration effects on impact have been investigated by dropping a flat plate onto the water surface, in which the water is aerated to various degrees. An experimental study has been carried out in the newly commissioned Ocean Basin at Plymouth University's COAST Lab. The falling block...

... Study on Influencing Factors of Drag Reduction by Air Layer to a Flat Plate with Bottom Step Yongpeng Ou and Wencai Dong Department of Naval Architecture and Ocean Engineering, Naval University of Engineering Wuhan, Hubei, China ABSTRACT Air lubrication is a promising idea to reduce hull drag...

... by comparing SIFs of a crack in a flat plate derived from the IF database constructed by the developed system with that assessed by Newman- Raju's formula. The IF values for flat plates and welds are compared by using the developed IF calculation system. As results, the followings are found: The SIF...

... developed for a flat plate can allow a reasonable estimate of ultimate strength of the curved plate with relatively small flank angle, when the newly defined slenderness parameter considering the increase of the elastic buckling strength due to curvature is applied. The effect of the secondary buckling...

... were in excess of the 1000 pounds per square foot (48 kilopascals). comet experiment wave steepness impact force guideline submergence incoming wave wave height wave impact load guideline wavelength investigation chan kilopascal melville plate angle flat plate cylinder...

... surface crack can be calculated by using the energy method. The model is validated by using the well-known solution of Newman and Raju for flat plates, by comparing the calculated SIF's with experimental results and those according to other numerical solutions for a thin-walled T-joints and by comparing...

... (in the transverse or longitudinal direction) can then be assessed reliably. yeung upstream oil & gas solver boundary condition equation time step inertia coefficient euler solver streamline sarpkaya navier-stoke solver proceedings mechanics node coefficient derivative flat plate bilge...

... around a circular cylinder placed at various heights above a flat plate. They found that regular vortex shedding was suppressed for all gaps less than about 0.3 cylinder diameters. In the study of Kubota et al. (1993), the velocity vector around a horizontally submerged circular cylinder in the vicinity...

... drag and inertia terms. The corresponding hydrodynamic coefficients obtained are more realistic than those obtained in a potential-flow calculation without flow separation which gives a drag coefficient of zero and a constant inertia coefficient of 1.0 for the case of a flat plate. The in-line force...

... ABSTRACT: Effectiveness of the Moving Surface Boundary-Layer Control (MSBC) in increasing lift andlor reducing drag at a subcritical Reynolds number is studied, using a two dimensional wedge shaped airfoil, a flat plate at high angles of attack, and two-dimensional prisms through...

... ABSTRACT This paper describes a numerical study of a perturbed flow in which the bluff cylinder is a flat plate. The flow is modeled using the discrete vortex method (DVM) in which shear layers arising from the separation points on the cylinder are represented by two sets of discrete vortices...