界限定理

代数本征值的两个界限定理

Two bounded theorems of the algebraic eigenvalue

极限分析的广义界限定理

Extended Bounding Theorems of Limit Analysis

证明余能原理与势能原理具有相同的极值条件，同时得到界限定理。

In this paper , it is shown that the complementary energy theorem and potential energy theorem have the same extreme conditions . And , the bounds theorem is also established .

本文建立了关于非线性热弹性扁壳的变分原理、界限定理，得到了关于应力函数、挠度、温度三种变量的边值模型。

The variational principles yard bounded theorem about the nonlinear thermoelastic shallow shell are presented , and the boundary problems of three variables , the stress function , deflection and temperature , are obtained .