物体在流体中变速运动，推动物体的力不仅要为增加物体的动能做功，还要为增加周围流体的动能做功。因此具有一定质量的物体要获得加速度，施加在它上面的力将大于物体质量与加速度的乘积，增加的这部分质量就是附加质量。附加质量与物体本身的形状及运动方向有关。
... associated injury 合并伤 associated mass 附加质量 associated virus 伴随病毒 ...
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翻译项目网｜翻译人才网——新闻信息==>（英语）力... ... dispersion 弥散 added mass， associated mass 附加质量 contraction 收缩 ...
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表观附加质量 added apparent mass ; [流] apparent additional mass
附加质量系数 mass coefficient
附加质量力 Virtual Mass Force ; Added mass force ; additional mass force
附加质量效应 added mass
附加质量法 additive mass method ; added mass method ; additional quality law
附加液体质量 added liquid mass
附加水质量 added mass of entrained water
附加的质量 attached quality
附加动水质量 added water mass
The hydrodynamic pressure due to the coupled vibration is studied with Boundary Element Method, and the simplified formula for the attached mass matrix is derived.
运用自编边界元程序计算了闸门扰动时动水压力的分布，进而推导了附加质量阵的简化求法。
参考来源 - 弧形闸门流激振动研究. In the mode-frequency analysis, the hydrodynamic pressure is simulated by the added-mass which is calculated by virtually equating the hydrodynamic pressure to the equivalent acceleration force acting on the sludge digester.
.在模态分析中,本文将动液压力等效为与池壁具有相同加速度的附加质量,求得了圆柱形消化池在湿模态下的自振频率。
参考来源 - 圆柱形消化池静动态数值分析·2,447,543篇论文数据，部分数据来源于NoteExpress
从而为预估其它剖面附加质量提供参考。
Thus it may be for reference in prediction of added-mass of other profiles.
这些暗物质轮流产生重力场以提供足够的附加质量将星团聚集在一起。
This dark matter provides the extra mass, which in turn creates gravitational fields strong enough to hold the clusters together.
得到系统的附加质量系数、附加刚度系数和附加阻尼系数。
The added mass, added stiffness and added damping coefficients were obtained.
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