Analysis of ultimate lateral resistance of sheet piles in clay by numerical lower bound method;
基于结构和平面应变单元,采用数值下限法分析结构–土体接触的稳定性问题。
For a single row of piles, the optimization position for pile to be exerted in can be obtained by the lower bound method by trial calculation;
对于单排桩,借助于下限法可以通过试算确定其设桩范围;
We first provide a lower bound of its optimal value which can be used to solve the problem optimally by branch and bound method.
该文首先给出一个最优解值的下界估计,它可用于分枝定界法求最优解。
A numerical method is presented for lower bound limit and shakedown analyses of orthotropic structures.
利用数值方法研究了正交各向异性结构的塑性极限与安定下限分析问题。
In this paper the basic theory of lower bound analysis using finite elements and limit-equilibrium method are introduced briefly.
简要介绍了有限元塑性极限分析下限法、刚体极限平衡法的原理。
The stability problems of steel structure are studied using the method of probability analysis and stability lower bound theorem from three respects.
本文以概率分析及安定下限定理的分析方法,从三个方面对钢结构的安定问题进行了研究。
Usually the ratio of the upper bound to the lower bound is larger than 2, resulting in the computational burden of the proposed method less than 1.4 times of that of the autocorrelation method.
由于进动周期的上下限之比通常大于2,因此该方法的计算量比自相关法增大的倍数小于1.4;同时它对先验信息的要求非常宽松。
Theoretical analysis shows that the proposed method can effectively reduce the lower bound of denoising error of the wavelet denoising method based on soft thresholding.
理论分析表明,该方法能有效地降低软阈值小波降噪法的误差下界。
To obtain robust stability and lower guaranteed cost of interval matrix fault tolerant systems, a method of determining the minimum upper bound of the real symmetric matrix set is proposed.
为了获得强大的稳定性和更低的区间矩阵的容错系统,保证成本的方法确定最小上界的实对称矩阵集。
A numerical method for the lower bound limit analysis of 3-d structures under multi-loading systems is presented.
本文提出了多组载荷作用下三维结构下限分析的数值方法。
In this paper an estimation of lower bound of minimum eigenvalue for the integral equation is obtained. Based on this estimation we introduce a new method for the corresponding eigenvalue calculation.
导出了具有正定对称核的积分方程最小特征值的一个下界估计式。以此为基础,获得了相应特征值的一种算法。
A numerical method is developed for lower bound limit analysis of 3d concrete high arch DAMS.
提出了适用于三维混凝土高拱坝结构极限下限分析的有限元数学规划算法。
A numerical method is developed for lower bound limit analysis of 3d concrete high arch DAMS.
提出了适用于三维混凝土高拱坝结构极限下限分析的有限元数学规划算法。
应用推荐