numerical viscosity

基本解释

The numerical value of sensory viscosity is measured using many different techniques.
物料的粘度的數值可以通過應用多種不同的技術及測量方式來得到。
ad13924022344.blog.163.com
The negative eject theory is employed to explain the phenomena that the wake over-turn is due to large numerical viscosity.
文中應用負射流理論解釋三維計算中較大的數值粘性帶來的尾跡偏移現象。
Numerical simulation of the three-dimensional viscosity flow field is carried out on inner flow field to small flow stage of centrifugal compressor.
對某離心式壓縮機小流量級的內部流動情況採用了三維粘性流場進行數值模擬。

數值粘性
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.
半拉格朗日方法在歐拉模型的液躰與菸霧模擬中，因均值運算過多而存在數值粘性的問題，且表麪提取算法會抹平液躰表麪的細節。