... 余变分问题 complementary variational problem 余变分原理 complementary variational principle 余并集 counion ...
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We first improve the complementary variational principle.
首先改进互补变分原理。
By the use of the variational principle of complementary energy, the closed form of the stresses of double-layer composite bar is obtained.
运用最小余能原理，求得了双层复合材料杆温度应力的封闭解。
This paper prove a variational principle middle plane tension complementary energy for problems of large defection for thin circle plate.
本文对圆板大挠度问题证明了与中面拉伸余能相关的一个余能驻值原理。
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