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shallow free surface flow

The pattern of surface waves in a shallow free surface flow

The pattern of surface waves in a shallow free surface flow

... water surface correlation pattern is strongly controlled by the underlying turbulent flow ...water surface pattern generation mechanisms as a series of randomly gen- erated capillary-gravity waves that ...

13

Finite volume solution of the unsteady free surface flow equations

Finite volume solution of the unsteady free surface flow equations

... In our particular model irregular bed will not be treated. Channels will take standard geometries, but this topic still deserves a brief mention. It is claimed that any geometry can be modelled with this FVM technique as ...

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SPHysics simulation of laboratory shallow free surface turbulent flows over a rough bed

SPHysics simulation of laboratory shallow free surface turbulent flows over a rough bed

... local flow conditions and size of the flow structures in order to obtain better representation of the streamwise flow velocity and shear stress profiles even using a particle resolution that is lower ...

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Frequency-wavenumber spectrum of the free surface of shallow turbulent flows over a rough boundary

Frequency-wavenumber spectrum of the free surface of shallow turbulent flows over a rough boundary

... water surface in an open channel flow are very ...the surface waves in such shallow turbulent water ...of surface waves, with a range of scales and ...mean surface velocity is ...

24

Algorithms for Bed Topography Reconstruction in Geophysical Flows

Algorithms for Bed Topography Reconstruction in Geophysical Flows

... the free surface data in shallow water flows, the knowledge of the steady state flow rate, friction coefficient and the flow depth at the boundary depending on the type of the ...

222

A new model for shallow viscoelastic free-surface flows forced
          by gravity on rough inclined bottom

A new model for shallow viscoelastic free-surface flows forced by gravity on rough inclined bottom

... the free-surface z = b(x) + h(t, x), as well as a pure-slip condition at the bottom z = ...for free-surface viscoelastic ...different flow regimes than elongational ? As a matter of ...

10

A Process Study of the Wind Induced Circulation in the Persian Gulf

A Process Study of the Wind Induced Circulation in the Persian Gulf

... A shallow-water model, coupled with a three dimensional, hydrostatic ocean model, is used to study the wind induced circulation, and the Shatt-al-Arab river plume expansion, in the Persian ...currents flow ...

11

Wake characteristics of single and tandem emergent cylinders in shallow open channel flow

Wake characteristics of single and tandem emergent cylinders in shallow open channel flow

... the free surface attached to the front side of the downstream ...separated flow from the side edge of upstream cylinder overshoot the downstream cylinder similar to the study by Yen et ...separated ...

246

A non-invasive acoustical method to measure the mean roughness height of the free surface of a turbulent shallow water flow

A non-invasive acoustical method to measure the mean roughness height of the free surface of a turbulent shallow water flow

... water surface was ...the free field and these data were used to predict the ampli- tude of the acoustic field projected on the surface of the still water as a function of the horizontal ...water ...

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Doppler spectra of airborne sound backscattered by the free surface of a shallow turbulent water flow

Doppler spectra of airborne sound backscattered by the free surface of a shallow turbulent water flow

... dynamic surface of a shallow turbulent flow are presented in this ...the flow, as well as dispersive waves that travel at a range of velocities, are detected, studied, and used in the acoustic ...

16

Finite element simulation of three-dimensional free-surface flow problems

Finite element simulation of three-dimensional free-surface flow problems

... compressible free-surface flow solver based upon the use of implicitly stable elements (the so-called Taylor-Hood element [9]); to represent the three-dimensional free surface using ...

23

Development and Flow Modes of Vertical Taylor Couette System with Free Surface

Development and Flow Modes of Vertical Taylor Couette System with Free Surface

... the flow modes of Taylor-Couette system consisting of coaxial two cylinders with vertical ...the free surface of the working liquid between the inner and outer cylinders and it contacts with the ...

7

Passive control of flow structure interaction between a sphere and free-surface

Passive control of flow structure interaction between a sphere and free-surface

... the flow patterns clearly indicate that the wake flow area for the sphere without vent is smaller than that for the sphere with the ...the free-surface for the smooth ...wake flow ...

16

FREE SURFACE FLOW OVER A TRIANGULAR DEPRESSION

FREE SURFACE FLOW OVER A TRIANGULAR DEPRESSION

... Flow over submerged obstacles is one of the classical problems in fluid mechanics. This problem has many related physical applications ranging from the flow of water over rocks to atmospheric, and oceanic stratified ...

7

Steady and unsteady free surface flow past a two-dimensional stern

Steady and unsteady free surface flow past a two-dimensional stern

... the free surface flow past a semi- infinite flat plate in a fluid of finite depth, where the free surface detaches smoothly from the edge of the flat ...a free surface ...

178

Dimension Reduced Model for Deep Water Waves

Dimension Reduced Model for Deep Water Waves

... Contrary to the higher-order spectral methods (HOSM) presented in [12] [13], we use the surface elevation and the surface velocity instead of the surface po- tential. With the kinematic b.c. (36) ...

21

Simulation of a Free Surface Flow over a Container Vessel Using CFD

Simulation of a Free Surface Flow over a Container Vessel Using CFD

... The meshing model used in STAR-CCM+ gives a trimmed hexahedral cell shape based core mesh. One of the desirable attributes of these meshing models is that curvature and proximity refinement is done based upon ...

6

Steady and unsteady free surface flow past a two-dimensional stern

Steady and unsteady free surface flow past a two-dimensional stern

... on free surface waves generated behind a semi-infinite two-dimensional platform moving with a constant speed on a water surface of a finite depth ...the surface tension effect is ...

20

Superficial Layer MHD Effect and Full Cover Free Surface Flow Characterizing

Superficial Layer MHD Effect and Full Cover Free Surface Flow Characterizing

... the free surface flow flowing in magnetic ...the free surface flow will be in the full-cover free surface ...rivulet flow index to the superficial layer of ...

8

Comparison of Flow Characteristics of Different Sphere Geometries Under the Free Surface Effect

Comparison of Flow Characteristics of Different Sphere Geometries Under the Free Surface Effect

... turbulent flow structures between a smooth sphere and a sphere with a vent hole, roughened, and o-ring is presented in the presence of a ...time-averaged flow patterns in the wake region of the sphere were ...

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