搜索结果: 1-15 共查到“理学 free surface”相关记录18条 . 查询时间(0.158 秒)
Stability and consistency of nonhydrostatic free-surface models using the semi-implicit
theta-method stability accuracy artificial damping free surface nonhydrostatic pressure ocean modeling
2015/6/30
The -method is a popular semi-implicit finite-difference method for simulating free-surface flows. Problem stiffness, arising because of the presence of both fast and slow timescale processes, is eas...
Using the level set method in geodynamical modeling of multi-material flows and Earth's free surface
Tracking the material surface flow modeling multi - material flow modeling the level set function
2015/1/6
The level set method allows for tracking material surfaces in 2-D and 3-D flow modeling and is well suited for applications of multi-material flow modeling. The level set method utilizes smooth level ...
Time-Evolution of a Fractal Distribution: Particle Concentrations in Free-Surface Turbulence
Fluid Dynamics (physics.flu-dyn) Chaotic Dynamics (nlin.CD)
2010/11/11
Steady-state turbulence is generated in a tank of water and the trajectories of particles forming a compressible system on the surface are tracked in time. The initial uniformly distributed floating p...
Supershear transition due to a free surface in 3-D simulations of spontaneous dynamic rupture on vertical strike-slip faults
Supershear transition Earthquake rupture dynamics Earthquake source physics
2014/4/8
Supershear rupture propagation has been inferred from seismic observations for natural faults and observed in laboratory experiments. We study the effect of the free surface on the transition of earth...
Higher-order Korteweg-de Vries models for internal solitary waves in a stratified shear flow with a free surface
Higher-order Korteweg-de Vries models internal solitary waves stratified shear flow
2009/11/12
A higher-order extension of the familiar Korteweg-de Vries equation is derived for internal solitary waves in a density- and current-stratified shear flow with a free surface. All coefficients of this...
Numerical Prediction of Wave Drag of 2-D and 3-D Bodies under or on a Free Surface
Ship wave pattern Wave drag Free surface Boundary element method Hydrofoil
2009/10/9
The flow characteristics such as; wave drag, lift (if present in the case of 2-D), wave pattern, and pressure distribution around 2-D and 3-D bodies moving steadily under or on a free surface are inve...
Numerical Computation of Three-Dimensional Circulation in Lake Erie：A Comparison of a Free-Surface Model and a Rigid-Lid Model
Three-Dimensional Circulation Free-Surface Model Lake Erie
2009/2/23
The three-dimensional time-dependent flow in the Western Basin of Lake Erie has been calculated numerically by means of both a two-mode free-surface model and a rigid-lid model. Detailed comparisons o...
Stability of Free Surface Ekman Layers
Free Surface Ekman Layers wavenumbers α independent parameters
2009/2/5
The stability of free surface, laminar Ekman layers is examined for both the homogeneous and the two-layer case. The eigenvalues of the homogeneous case depend upon the wavenumbers α and &ggr; and the...
In applying the Wall layer analogy to a wind blown free surface it is necessary to decide in what coordinate system such an anology is realistic. A smoothed sea surface is taken to be that produced by...
Deep Ocean Response to Hurricanes as Revealed by an Ocean Model with Free Surface. Part I：Axisymmetric Case
Deep Ocean Response Hurricanes Free Surface Axisymmetric Case
2009/1/16
An axisymmetric, hydrostatic ocean model containing a rigid bottom and a free surface is constructed to study the barotropic and baroclinic response in the upper and deep ocean to a wind stress corres...
On the Accelerations in the Free Surface of Nonlinear Gravity-Capillary Waves
Accelerations Free Surface Nonlinear Gravity-Capillary Waves
2009/1/13
The real and apparent accelerations in the free surface of nonlinear gravity-capillary waves are calculated over a wide range of wavelengths. It is shown that surface tension has hardly any effect on ...
Free Surface Effects on the Near-Inertial Ocean Current Response to a Hurricane
Free Surface Effects Hurricane Near-Inertial Ocean Current
2008/12/27
During the passage of hurricane Frederic in 1979, four ocean current meter arrays in water depths of 100–950 m detected both a baroclinic and a depth-independent response in the near-inertial frequenc...
The Development of a Free-Surface Bryan–Cox–Semtner Ocean Model
Free-Surface Bryan–Cox–Semtner Ocean Model free surface
2008/12/24
A version of the Bryan–Cox–Semtner numerical ocean general circulation model, adapted to include a free surface, is described. The model is designed for the following uses: tidal studies (a tidal opti...
Free Surface Effects on the Near-Inertial Ocean Current Response to a Hurricane：A Revisit
Free Surface Effects Hurricane Near-Inertial Ocean
2008/11/11
Free surface effects induced by an idealized hurricane based on observed air–sea variables in Hurricane Frederic are revisited to examine the barotropic and baroclinic response. Over five inertial per...
Propagation of torsional surface waves in heterogeneous half-space with irregular free surface
Torsional surface waves Irregularity Heterogeneous medium
2010/9/15
The effect of irregularity on the propagation of torsional surface waves in a heterogeneous, elastic half-space has been studied. The velocity equation has been derived. The velocities have been calcu...