It's equal to the flow velocity divided by the square root of the acceleration due to gravity times the characteristic length, like the length of the ship.
它等于流速除以重力加速度的平方根乘以特征长度，如船的长度。
| 单词 | Characteristic length |
| 释义 |
Characteristic length
原声例句
Veritasium真理元素 It's equal to the flow velocity divided by the square root of the acceleration due to gravity times the characteristic length, like the length of the ship. 它等于流速除以重力加速度的平方根乘以特征长度，如船的长度。
中文百科
特征长度在物理上，特征长度是指可定义物理系统的重要尺度，一般会出现在一些公式中，表达系统的一些尺寸特性。 以下是一些定义中有特征长度的物理量：
在计算力学中，特征长度是用来调整本构方程中应力集中程度的数值，特征长度和积分点有关，若是二维分析，特征长度是面积的平方根，若是三维分析，特征长度是体积的立方根。
英语百科
Characteristic length 特徵长度In physics, a characteristic length is an important dimension that defines the scale of a physical system. Often such a length is used as an input to a formula in order to predict some characteristics of the system. Examples: In computational mechanics, a characteristic length is defined to force localization of a stress softening constitutive equation. The length is associated with an integration point. For 2D analysis, it is calculated by taking square root of the area. For 3D analysis, it is calculated by taking cubic root of the volume associated to the integration point. |
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