bound theorem

Moreover , the application of lower bound theorem is especially difficult .

特别是下限定理的应用困难很大。

Finite element method of upper bound theorem based on the generalized plastic theory and its application

基于广义塑性理论上界法的有限元法及其应用

A New Lower Displacement Bound Theorem for Impulsively Loaded Rigid - Plastic Structures

在冲击载荷作用下刚-塑性结构的一个新的位移下界定理

The Duality of Upper Bound Theorem and Lower Bound Theorem on Limit Theory and Programming Problem

极限上下限定律的对偶性和规划问题

Ultimate bearing capacity calculation of strip foundation on unsaturated soil with upper bound theorem and SQP method

基于SQP和上限法的非饱和土条形基础极限承载力计算

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。

Uniform Bound Theorem of Set-Valued Mapping

集值映射的一致有界定理

Safety factors of slope stability analysis and limit bearing capacities of footings were solved by adopting lower bound theorem of limit analysis .

采用极限分析下限原理求解了岩土工程中基础的极限载力和边坡的安全系数。

Based on the rigid plastic assumption for soil materials , adopting lower bound theorem , the bearing capacity of rectangular surface footing was calculated .

基于刚塑性假设，采用极限分析下限原理，求解了矩形表面基础的承载力问题。

Based on the upper bound theorem of soil plasticity mechanics , a slice techniques for analyzing translational failure mechanism of soil slope was put forward .

从土塑性力学极限分析上限定理出发，建立了土坡条分法平移破坏机构。

Subsequently , a reputation inference process based on probability theory is put forward , and a risk degree algorithm based on Chernoff Bound theorem is designed .

接着，给出了一种基于概率的信誉推理机制，并设计了一种基于Chernoff界的风险度算法。

Based on the upper bound theorem in plasticity , a new energy-work balance equation has been strictly derived including the work rate done by expansive stress .

根据塑性力学的上限定理，严格地导出了考虑膨胀应力作功的功能平衡方程。

When using the upper bound theorem to solve the ultimate load of frames , it is usually to set the plastic mechanism by combined mechanism method of elementary mechanisms .

用机动法求刚架的极限荷载时，常用基本机构迭加法设定破坏机构。

The cusp catastrophe model is established by means of the upper bound theorem of plastic limit theory . The characteristic formula of the failure of slope is also deduced .

根据分析边坡稳定性的塑性极限方法的上限理论建立了边坡失稳尖点突变模型，并得出边坡突发式滑坡的特征关系式，用突变理论对非饱和土边坡稳定进行了初步研究。

However , the application of the upper bound theorem of limit analysis in geotechnical stability analysis can not only derive the actual collapse load but also obtain the critical failure surface .

极限分析上限定理，不但能够计算出接近实际情况的破坏荷载，而且可以获得相应的临界破坏面。

Then according to the upper bound theorem , the formulas of extrusion excess stocks of forward extrusion solid parts are derived under different conditions and the selective methods are suggested .

在此基础上，再根据上限原理，导出了不同情况下正挤实心件挤压余料的计算公式，并提出了选用方法。

Based on the lower bound theorem of shakedown analysis , a solution procedure for shakedown analysis of three-dimensional elastoplastic structures has been established using conventional boundary element method ( BEM ) .

基于安定分析的静力定理，建立了用常规边界元方法进行三维理想弹塑性结构安定分析的整套求解算法。

In this paper the upper bound theorem of plasticity theory is used , and the stability analysis under the earthquake force for the slope of the slide surface of logarithmic spiral in theory is proposed .

本文利用塑性理论上限解，从理论上对地震力作用下的对数螺旋线滑动面的土坡进行了稳定性分析。

The robust stable controller is designed with the minimum upper bound theorem of the real symmetric matrix set for the interval matrix system . The designed controller can make the uncertain nonlinear system robust stable .

再对区间矩阵系统应用实对称矩阵集合的最小上界定理进行鲁棒控制器设计，从而达到对原非线性系统的鲁棒稳定控制。

Base on Chernoff bound theorem and the outlier degree of the current Kth outlier , the minimum candidate TOP-K outlier degree threshold is computed by the method .

方法根据切尔诺夫（Chernoff）边界定理和当前第K离群点的离群度，估算出TOP-K离群点的最低离群度门限。

Using the Hoek-Brown failure criterion and the variational approach , the analytical solution of collapsing surface for surrounding rock over shallow tunnel roof is derived in the framework of upper bound theorem .

根据上限定理，利用Hoek-Brown破坏准则和变分法推导出了隧道顶部围岩塌落面的解析表达式。

On the basis of upper bound theorem of limit analysis , this paper gives upper bound answers of bearing capacity of circular shallow foundations by suitable choice of a kinematically admissible velocity field .

针对圆形浅基础，根据极限分析中的上限定理，选择合适的机动位移速度场，推导出地基承载力的上限解析解。

It might be impossible to arrive at the exact limit multiplier by upper bound theorem even though all possible kinematical fields are considered through a thick-wall cylinder under uniformly distributed shear on its inner surface .

以一个在其内表面受均布剪切荷载的厚壁圆筒为例，说明当使用上限定理时，即使遍取所有可能的机动场，也可能无法求得真实的极限乘子。

The superposition theory has the lower bound theorem of the plastic theory as its foundation . The simplified formula of the superposition theory is easy to use and its result is quite close to the accurate solution of the plane section method .

结果表明，叠加方法不仅以塑性理论下限解为理论基础，且所得到的简化计算公式简便适用，与平截面法和规范方法计算结果的误差在工程可接受的范围内。

Based on the lower bound theorem in plastic theory , a method for determining the strength of steel-reinforced concrete ( SRC ) member by supposition of separately computed strengths of steel and reinforced concrete members is described in this paper .

本文根据塑性理论中的下限定理，对计算劲性混凝土构件极限承载力的累加方法进行了详细的分析。

We have applied our variational principle to the simply supported beam loaded by rectangular pulse and found that the results are much closer to the exact solution than those from the upper bound theorem [ 4 ] and lower bound theorem [ 5 ] in the rigid-plastic dynamics .

通过简支梁受均布矩形冲击载荷作用来作为实例应用，说明本法与已有的刚塑性动力学的上限~[4]与下限~[5]定理相比，更接近于完全解的结果。

The safety factor can therefore be solved from the upper bound limit theorem , and its minimum value can be obtained from optimization method .

然后，根据上限定理求得安全系数，并通过非线性数学规划方法找到最小值。

On a new upper bound in landau 's theorem

兰道定理中的一个新上界

Numerical Modeling and Analysis on Lower Bound Shakedown Problems SHAKEDOWN THEOREM OF ISOTROPIC HARDENING

安定下限问题的数值建模各向同性强化条件下的安定定理

Upper bound of functional limit theorem of increment for mul-parameter Wiener process

多参数Wiener过程增量的泛函极限定理的上界