the negative plastic hinge line in the plate was evaluated by using variational approach , then an equation for calculating the ultimate load carrying capacity was developed.
首先利用变分原理确定板的负塑性铰线方程,继而推导出极限承载力的表达式。
we use the lagrange variational approach to study the switching characteristics of asymmetric nonlinear directional couplers.
利用拉格朗日变分法原理,分析了非对称非线性定向耦合器的开关特性。
a variational approach is given to the existence of multiple solutions for some nonlinear boundary value problems near resonance at the first eigenvalue.
研究了带有非线性边界条件共振方程,利用变分逼近法证明了所研究问题解的多重存在性。
a new slope stability analysis method, explicitly satisfying all limiting-equilibrium equations, is presented. to make the problem statically determinate, the variational approach is used.
本文在现有变分法求解土坡稳定的基础上,推导了一种能适用于任意有对称面的非均质土坡的稳定分析方法。
dispersion-managed soliton interaction is investigated in an optical time-division multiplexed system with random dispersion map by the variational approach and the numerical simulation.