Your browser does not seem to support JavaScript. As a result, your viewing experience will be diminished, and you may not be able to execute some actions.
Please download a browser that supports JavaScript, or enable it if it's disabled (i.e. NoScript).
如图,是 Fluent 模型的收敛残差,连续性和三个动量方程的残差都是 $1\times10^{-3}$,只有能量方程是 $1\times10^{-6}$,这有什么特别的考量吗?
大概因为能量更容易算稳,是个标量;不像速度是矢量;连续性受影响因素太多。所以要求严格也能收敛,要是前面几个也这么小,就很难算下去了。和单位量级有关,对于变化范围在几个亿的数据而言残差1都够了,对于变化范围0.1的数据而言,残差0.001肯定不够