free surface
B Spline Approximation of Ship Waves on the Free Surface
... the free surface in different incident waves, calculate the first and second order derivatives of incident wave based on B-spline theory and compare the numerical value to the analytical ...
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On the calculation of normals in free-surface flow problems
... of surface-tension- dominated free-surface flow problems in three ...the free surface, which is in turn determined via a kinematic boundary condition for the normal ...
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On numerical approximation of incompresible fluid flow with free surface influenced by surface tension
... In order to approximate free surface flows there are several fast, robust and accurate numerical methods avail- able dealing with fixed computing grids. Particularly, these methods are the marker and cell ...
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Free Surface Flows in Electrohydrodynamics with a Constant Vorticity Distribution
... of free surface electrohydrody- namic waves in the presence of non-zero, but constant vorticity ...the free surface excursion derivative η ′ ...
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A high-resolution free-surface model of the Mediterranean Sea
... a free-surface model, the net transport is different from zero and the inflow should be bigger than the outflow to balance the net water loss at the sea ...
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Surface tension simulation of free surface flows using smoothed particle hydrodynamics
... with free surfaces. Considering the importance of surface tension in most engineering applications and the capability of SPH method in simulating free surfaces, a single-phase method for implementing ...
15
FREE SURFACE FLOW OVER A TRIANGULAR DEPRESSION
... are obtained with N = 250, ∆ = 0.1 and γ = − 4 . We computed solutions for various values of N and ∆ until the numerical solutions were in agreement within graphical accu- racy. Figure 4 shows the effect of surface ...
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Hydraulic free-surface modelling with a novel validation approach
... of turbulence and Lin et al. [8] used the VOF method as a way of assessing where a hydraulic jump would form in a proposed recreational water development. One of the main disadvantages of the VOF method is that the ...
11
Internal imaging of saturated granular free-surface flows
... This paper presents a novel method to investigate the internal behaviour of saturated granular free-surface flows in the context of high-speed movement. Such an approach aims to study the motion of the ...
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Dynamic drying transition via free surface cusps
... We perform numerical simulations of (1.2)–(1.7) using the FEM, in order to find stationary states, as described in Sprittles & Shikhmurzaev (2012) and Sprittles (2015). The method is based on an arbitrary Lagrangian ...
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Design, Analysis, and Validation of a Free Surface Water Tunnel.
... circuit free surface water tunnels are a type of water tunnel with their test section open to the atmosphere for easy access of the model to be put in ...higher free-stream velocities, which all in ...
253
Numerical Modeling of Lifting Flows in the Presence of a Free Surface
... the surface piecing foil running at a zero angle of attack, which produces no ...calm free surface level of approximately ...calm free surface level of approximately 2% the foil chord ...
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Formation of jets by implusive acceleration of a curved free surface
... the velocity at this point exceeds the mean velocity based upon the volume of fluid displaced at the free surface depends strongly upon the behavior of the acoustic waves as they propaga[r] ...
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Free-Surface Characteristics of a Liquid Li Wall Jet
... For random ocean waves, the wave period distribu- tion is as important as the wave height distribution be- cause these distributions are representative of the wave properties as well as the frequency spectra [36]. In ...
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Finite volume solution of the unsteady free surface flow equations
... Water is a precious resource in much of Australia. Because of this, it is very important to be able to understand, control and manage this resource. One particular water intensive industry is the irrigation industry. ...
178
Incompressible smoothed particle hydrodynamics simulations on free surface flows
... volume-of-fluid surface tracking using a finite volume ...the free-surface on grid ...the free surfaces can be easily realized in a particle method without the sophisticated mesh management as ...
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THREE DIMENSIONAL FREE-SURFACE MODELLING WITH A NOVEL VALIDATION APPROACH
... multiphase free-surface phenomena is now a useful and usable item in the engineer’s ...water surface alongside a three dimensional velocity distribution and related flow ...
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The pattern of surface waves in a shallow free surface flow
... water surface pattern is not associated with gravity waves then the spatial correlation pattern is related to the underlying ...water surface elevation depends almost linearly with the depth-averaged ...
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COMPUTATIONAL INVESTIGATION OF FREE SURFACE FLOW AROUND A SHIP HULL
... The commercial CFD software FLUENT V6.3 was utilized for analysis. The VOF technique was used for capturing the free surface and Reynolds Stress Model was adopted for turbulence closure. The mesh quality ...
10
Modeling of Free-Surface Flows with Air Entrainment
... Fig. 1.5 shows a typical schematic of a hydropower dam project. The water in the reservoir, usually consists of two layers, i.e., the top layer called epilimnion and a bottom layer called the hypolimnion. The epilimnion ...
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