The numerical scheme of the advection term should be designed correctly for the fronts of sharp concentration gradients to prevent excessive numerical diffusion or dispersion when calculating mass transport in the areas of estuary and coast.
用数值模式对河口海岸地区的物质输运进行计算时,平流项的数值格式必须要能正确处理物质浓度锋面,以避免产生过多的数值耗散或频散。
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分析了现代先进数值格式的构造原则。
Principles for constructing advanced finite difference schemes are analyzed.
通过对结果的分析，肯定了数值格式的正确性。
Numerical results show the correctness of the numerical scheme.
是求解双曲守恒律方程的高精度高分辨率数值格式。
WENO (weighted Essentially Non Oscillatroy) is a high resolution numerical scheme used for solving equations of hyperbolic conservation laws.
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