A nonlinear three-dimensional numerical model is used to simulate the distribution of the internal tide( M_2, S_2, K_1, O_1 )in the Bohai Sea, the Yellow Sea and the East China Sea. The result show that semidiurnal frequence internal tides mainly in two areas, one side of the west of Korean Peninsula waters, another is the north-east of Taiwan (Okinawa Haicao) waters.
Firstly, the numerical modeling on the tidal current, and wind-driven current, and wave is studied based on the analysis of spilled oil's behavior at sea, and the numerical modeling on the fates and behaviors of spilled oil based on the particle approach is also studied. By using both Visual Basic and Visual Fortran, the paper develops the oil spill trajectory simulation module.
Data assimilation is an analysis technique which provides a powerful tool with which link observations and numerical models to obtain more useful information. At present this method becoming a more promising approach with the rapid advances in ocean observing systems, ocean numerical simulations and operational applications.
Eased on the weakly nonlinear theory, the governing equation of mass -transport velocity and the long - term transport equation are derived for narrow estuarine systems. By means of the Current Separating Method and the B -spline collocation method, the numerical models of tide and Lagrangian residual current are established. The numerical scheme of long -term transport equation is based on the Eu-lerian - Lagrangian method and the B - spline collocation method.
A numerical model is developed based on depth integrated mean continuity equation and momentum equations, and a 3rd-order wave equation which governs the wave diffraction, refraction and interaction with current.
Based on the semi-implicit difference scheme presented by VincenzoCasulli, a numerical model suitable to current simulation of nearshore shallow sea isset up through improving the bottom friction formula to avoid excessively large valuesof bottom friction term at super shallow sea, linearizing the bottom friction term toget the effect of implicit treatment adopting proper difference scheme for theadvection term to decrease false diffusion and propagation of error resulted from the"movable boundary", and employing high effective iteration algothium to speed up thecomputation.
Based on the basic principles of the micrometeorology of atmospheric boundary layers and vegetation canopy, a numerical model of the interaction between forest ecosystems and atmospheric boundary layers was developed.
Kinetic theory was introduced to establish a 3D kinetic numerical model for wavelike slug gas-solid flow in this paper.
The flows were also analyzed using a numerical model of the three-dimensional turbulent flow in the pumps near the peak efficiency point using the k-? turbulence model and the VOF cavitation model.
A three-dimensional physical and numerical model of the basic pulse tube refrigerator (PTR) was developed.
The numerical model of automaton behavior is helpful in applying algebraic tools to solve the functional behavior renewal problem.
The research topics include: numerical modeling of random seismic waves, probabilistic density evolution analysis for nonlinear structural responses, and seismic reliability analysis of large-scale lifeline networks.
Numerical modeling demonstrates that architectures of this kind are promising for acceleration of decoding in the digital communication systems.
The effectiveness of the suggested control law is shown with the aid of numerical modeling.
The problem of numerical modeling consisted in the construction of a system for the prediction of a change in the Gibbs free energy (Δ G) in the course of the formation of protein-protein and protein-ligand complexes.
Results of a numerical modeling experiment are given.
Using both analytical and numerical models of the collisionless anisotropic current sheet generated by the impinging flows of transient ions, we have studied the self-consistent solutions taking the plasma trapped in the sheet into account.
On the basis of observations, new numerical models of motion are constructed for all 96 outer satellites of Jupiter, Saturn, Uranus, and Neptune.
Exact solutions of problems of fluid inflow into a well with a vertical hydrofracture and their use in numerical models of flow
Adjustment of numerical models for gamma-ray spectra of samples when subtracting spectra of matrix elements in neutron activatio
Approaches to adjustment of numerical models for gamma-ray spectra of matrix elements are considered.
Feasibility of numerical modelling: Information aspect
Theoretical research and numerical modelling show that, although mountain torque owes its existence to the unevenness of the ground surface, its sign and intensity depend strongly upon the relative disposition between mechanical and thermal forcing.
Numerical modelling of the effects of ozone on the summer atmospheric circulation
The great role of topography in the developing of general circulation models for numerical modelling of weather and climate has been stressed.
The mechanisms of flame stabilization and low NOx emission features of an eccentric jet pulverized coal combustor were studied through numerical modelling and experimental investigation.
A numerical simulation for shoreline evolution of straight beach is developed.In this model the influence of change in wave refraction due to change of shoreline trend during evolution is included.Using this model for computation of the deposition period on the updrift side of a port breakwater,the results agreed quite well with the results by physical model.In computation of shoreline erosion on the downdrift side of that port breakwater, the influence of the variation of longshore breaker height is considered.This...
A numerical simulation for shoreline evolution of straight beach is developed.In this model the influence of change in wave refraction due to change of shoreline trend during evolution is included.Using this model for computation of the deposition period on the updrift side of a port breakwater,the results agreed quite well with the results by physical model.In computation of shoreline erosion on the downdrift side of that port breakwater, the influence of the variation of longshore breaker height is considered.This model can be used to predict the shoreline erosion-deposition pattern on both sides of a coastal structure on sand beach or to evaluate the effective period and to design the length of a sand blocking structure.
A two-dimensional shallow water equations and convective-diffusion equations have been used to similate the diluting process of cooling water and waste water from a power plant and the equations have been solved by ADI method. We have computed the temperature field of cooling water and the concentraion field of waste water from the power plant at Songyu, Xiamen. The results have been analysed.
Three models with different coverage and different resolution are developed for the Nanshan sea area, Hainan Island. Good results with high resolution and agreement with real situation were obtained and meeted with emergency requirement of engineering.