On the basis of computational fluid dynamics (CFD), adopting limited volume method, the external flow field of a car body is simulated.
以计算流体力学(CFD)为基础，采用有限容积法模拟计算了轿车车身的外部流场。
A small volume of fluid, often of a higher density than the main body of fluid, within the circulating or production-fluid system that influences the flow or production characteristics of the well.
在循环系统或产出流体系统内部的小体积流体，其密度通常高于主体流体，其作用是影响井的流动特性或生产特性。
The justification for treating a fluid as a continuum. depends on the physical dimensions of the body immersed in the fluid and on the number of molecules in a given volume.
可以把流体视为一种连续体的理由是，流体表现出一定的物理尺寸，以及其内部存在无数具有一定体积的微粒分子。
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