numerical viscosity

基本解释

The numerical value of sensory viscosity is measured using many different techniques.
物料的粘度的数值可以通过应用多种不同的技术及测量方式来得到。
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The negative eject theory is employed to explain the phenomena that the wake over-turn is due to large numerical viscosity.
文中应用负射流理论解释三维计算中较大的数值粘性带来的尾迹偏移现象。
Numerical simulation of the three-dimensional viscosity flow field is carried out on inner flow field to small flow stage of centrifugal compressor.
对某离心式压缩机小流量级的内部流动情况采用了三维粘性流场进行数值模拟。

数值粘性
In liquid and smoke simulation using Euler model, the common Semi-Lagrangian Method(SLM) has numerical viscosity due to excessive averaging steps, and the surface extracting method will further smear out details of water surface.
半拉格朗日方法在欧拉模型的液体与烟雾模拟中，因均值运算过多而存在数值粘性的问题，且表面提取算法会抹平液体表面的细节。