针对计算高精度需要，纳入了适合非均匀网格、采用附加源项实现的QUICK格式。
QUICK method, which was adapted to non-uniformly grid and implemented by an additional source, was adopted for high-required precision.
提出了求解含源汇项非定常对流扩散方程的一类高精度格式。
A high order accuracy compact difference method is presented for soling unsteady convection equation with source term.
改进了原模式的盐度差分格式和方程，采用二阶精度差分格式并引入了物理扩散项。
Modifying the salinity difference format and salinity equations of the original model, the present model USES the second-order accurate difference format and introduces the term of physical diffusion.
求解程序采用虚拟压缩方法和双时间步的时间推进方案，对流项的差分采用高阶精度的数值差分格式。
The present solver USES a primitive variable formulation that is based on the artificial compressibility method combined with dual time stepping method.
对流项、扩散项和非恒定项的离散格式均具有二阶精度，利用SIMPLE算法处理压力-速度耦合。
The discretized schemes of the convective fluxes, diffusive fluxes and unsteady term are all of second -order accuracy. The SIMPLE algorithm is adopted to deal with the pressure-velocity coupling.
对流项、扩散项和非恒定项的离散格式均具有二阶精度，利用SIMPLE算法处理压力-速度耦合。
The discretized schemes of the convective fluxes, diffusive fluxes and unsteady term are all of second -order accuracy. The SIMPLE algorithm is adopted to deal with the pressure-velocity coupling.
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