某一系统发生与其约束相适应的任意假想位移时,力对这一系统所作的功在一个物理系统里,力作用于物体,导致虚位移,所作的功称为虚功。
... r AB B AB A ] [ ] [ r r 3、是无限小的,不是有限位移 4、虚位移不只有一个或一组 二、虚功 虚功(virtual work): 作用于质点或质点系上的力在虚位移上所作的功。
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虚功原理 principle of virtual power ; [力] virtual work principle
虚功法 virtual work method ; method of virtual work
虚功定理 virtual work theorem
外虚功 external virtual work
虚功率 KVAR ; DC KVAR ; VAR KVAR
虚功方程 equation of virtual work
网络功能虚拟化 NFV ; Network Function Virtualization ; ETSI NFV
虚功互等定理 reciprocal virtual work theorem
最后运用虚功原理给出了胀形平均液压的解析解。
In the end, the average hydraulic pressure of bulging is given by the principle of virtual work.
在这个增量形式的虚功方程中,考虑了积累误差的影响。
The effect of truncation errors is considered in the incremental virtual work equation.
而物理模拟虚功原理及余虚功原理是物理模拟能量原理的统一理论。
And the virtual work and complementary virtual work principles for physical simulations are united theories of the energy principles for physical simulations.
The virtual work of the reader does not involve surprise, does not involve the violation of expectations.
读者的虚功中没有惊讶,也没有期望的违背。
Now in order to illustrate the way in which what Iser calls virtual work gets done in this regard, let me just run through a few passages quickly.
现在,为了阐释,在这点上,伊瑟尔所说的虚功是怎样做的,下面我们来快速地浏览几段话。
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