格林公式
- Green's formula;【数】Green [integral] formula
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格林公式内容是如果有一条封闭曲线,那么对F的线积分就等于,区域内F旋度的二重积分。
So , Green 's theorem says that if I have a closed curve , then the line integral of F is equal to the double integral of curl on the region inside .
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那就不是xyz坐标系上的格林公式了,而是带上了某些有趣的旋转变化。
It will be Green 's theorem not in x , y , z coordinates but in some funny rotated coordinate systems .
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应用格林公式计算截面几何性质
Using Green Formula to Caculate a Geometrical Quality of a Cross-Section
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你不能把格林公式用到这个向量场。
You cannot apply Green 's theorem to the vector field .
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有一个版本的格林公式是用来求通量的。
There is a version of Green 's theorem for flux .
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这就是还称之为格林公式的原因了。
That 's why it is also called Green 's theorem .
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也就是通量的格林公式&散度公式。
That is Green for flux and that is the divergence theorem .
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格林公式在基坑地下水控制问题中的应用
Applications of Green formula in the tunnel groundwater control problem
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这是格林公式的一种表示。
This is really one of the features of Green 's theorem .
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对于它们中的每一个,使用格林公式。
And for each of them , you will apply Green 's theorem .
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它说了什么呢?它是三维空间中通量的格林公式。
What does it say ? It is3D analog of Green for flux .
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格林公式在有有限多个孤立奇点区域上的运用
The Application of Green Formula in a Region with Finite Isolated Singula Points
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从微积分基本定理到格林公式
From Fundamental Theorem of Calculus to Green 's Formula
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求通量的格林公式是怎样的呢?
What does Green 's theorem for flux say ?
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格林公式的新证法及应用
A New Proof And Application of Green Formula
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非光滑函数的格林公式、高斯公式和斯托克斯公式
Green 's Formula , Gauss 's Formula and Stokes 's Formula of Nonsmooth Functions
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一种是直接计算,另一种则是格林公式。
One is direct calculation , and the other one is Green 's theorem .
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请记得做功的例子,可以用格林公式的。
Well , remember in the case of work we had Green 's theorem .
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理论上是可以证明,这个向量场是可以使用格林公式的。
And , the argument to prove that is basically to use Green 's theorem .
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我们已经了解了,格林公式的两种表达形式。
So , we 've seen the statement of Green 's theorem in two forms .
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昨天讲了格林公式。
We saw yesterday Green 's theorem .
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非光滑函数的格林公式
Green 's Formula of Nonsmooth Functions
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能看到什么?,可以发现做功的格林公式。
What have we seen ? Well , we have seen Green 's theorem for work .
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实际上,这个应该称之为正交形式的格林公式。
Actually , I should say This is called Green 's theorem in normal form also .
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把式子都加起来了,就得到了完整的格林公式。
When we add things together , we get Green 's theorem in its full generality .
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所以,我们不能直接使用格林公式。
So , we can 't use Green . However , we can 't use it directly .
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但是,如果曲线不是封闭的,不能直接使用格林公式。
But , you can 't use Green 's theorem directly if the curve is not closed .
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巧用格林公式
How to Apply Green Formula
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推导了基于格林公式的适用于无限域声场计算的边界积分方程。
Boundary integration equation based on Green identity is established for the calculation of unbounded acoustic region .
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这是封闭曲线,所以我们可以用格林公式。
That 's a closed curve . So , I would like to use Green 's theorem .