The result shows that the Particle-tracing Method is not only less diffusive , but also more conservative.
结果显示质点跟踪法不仅耗散更低，而且守恒性也更好。
In this modeling, the Particle-tracing Method is again compared with the improved ELM by calculating the concentration of COD.
在该模拟中，本文通过对COD浓度的计算，又把质点跟踪法和改进后的欧拉·拉格朗日方法作了比较。
Finally, under the three-dimensional ECOM model, the Particle-tracing Method is applied to the numerical modeling of the Changjiang Estuary sewage diffusion.
最后，本文在三维ecom模型下把质点跟踪法应用到了对长江口污染物扩散的数值模拟中。
Without repeated interpolations such as in ELM, the Particle-tracing Method reduces the numerical diffusion quite a lot.
因为没有像欧拉·拉格朗日方法那样反复插值，所以质点跟踪法极大地降低了数值耗散。
Then, the Particle-tracing Method is designed, which calculates the advection term by setting some particles in the grid cells and tracing them.
然后，本文又设计了质点跟踪法，该方法通过在网格内设置一些质点并对质点进行跟踪来计算平流项。
Then, the Particle-tracing Method is designed, which calculates the advection term by setting some particles in the grid cells and tracing them.
然后，本文又设计了质点跟踪法，该方法通过在网格内设置一些质点并对质点进行跟踪来计算平流项。
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