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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...
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...