迹线（Pathline）代表单个流体粒子在有限时间间隔内穿过的轨迹。
迹线（Pathline）代表单个流体粒子在有限时间间隔内穿过的轨迹。
Which of the following concepts belong to Euler method ( ) A: control volume B: pathline C: fluid particle D: fluid parcle
Which of the following concepts belong to Euler method ( ) A: control volume B: pathline C: fluid particle D: fluid parcle
A _______ is the locus of points traversed by a given particle as it travels in a field of flow; it provides us with a “ history ” of the particle’s locations. A: system B: streamline C: pathline D: particle
A _______ is the locus of points traversed by a given particle as it travels in a field of flow; it provides us with a “ history ” of the particle’s locations. A: system B: streamline C: pathline D: particle
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