upper bound theorem
英 [ˈʌpə(r) baʊnd ˈθɪərəm]
美 [ˈʌpər baʊnd ˈθiːərəm]
网络 上限定理; 上界定理
双语例句
- 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 - 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。 - 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。 - 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。 - Cient condition for the existence of splitting system; then give an upper bound of splitting system and at the same time, we point out that this upper bound is better than the one given in [ 1] Theorem 4.1 when m is far greater than t.
最后利用概率方法，给出了分裂系存在的一个充分条件并对一般的t给出了分裂系大小的一个上界，并且当m>>t时，此上界优于[1]中给出的上界。 - 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 - In this paper some strong limit theorems on the frequences of states and ordered state couples for the even-odd Markov chains fields on binary trees, including the estimates of the upper bound and lower bound of asymptotic entropy density and an approximation of Shannon-McMillan theorem, are obtained.
本文建立了二进树上奇偶马氏链场关于状态和状态序偶出现频率的若干强极限定理，其中包括渐近熵密度上、下界的一个估计式及Shannon-McMillan定理的一种逼近。 - 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 - 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。 - 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 - An upper bound on the average MAP decoding error probability of Slepian-Wolf systems for correlated general sources is derived, and a new proof of the direct part of the Slepian-Wolf theorem for correlated general sources is given based on this bound.
论文在相关一般信源下推导出Slepian-Wolf系统平均MAP译码错误概率的一个上界，并在此基础上，给出了相关一般信源下Slepian-Wolf定理正命题部分的一个新证明。 - 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。 - 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。 - 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。 - 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。 - 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。 - On a new upper bound in landau's theorem
兰道定理中的一个新上界 - The upper bound and lower bound theorem of classical plasticity theory and corresponding FEM is applied to analyze the bearing capacity of gravity dam for judging the stability of the dam.
应用结构塑性极限分析的上、下限定理及相应的有限元法分析重力坝的极限承载能力，以判断大坝的稳定性。 - The upper bound of the backward error is obtained by Brouwer fixed-point theorem and the lower bound of the backward error is obtained through singular-value decomposition.
因此利用不动点定理及奇异值分解对结构向后误差的上下界进行了估计。 - The expression of the upper bound for the achievable rate in Successive Relaying ( SUR) protocol is derived by using the cut-set theorem for half-duplex systems.
通过应用割集定理，推导得到了半双工中继系统中采用连续转发（SuccessiveRelaying，SUR）策略时系统可达速率的上界。 - Study shows network coding can increase the network throughput, and achieve the upper bound which is determined by the Max-flow Min-cut theorem.
通过网络编码，可以充分的利用网络的信道通信容量，达到由最小割最大流定理所确定的最大流上界。 - 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。 - The main difficulties in the discussion are finding the least degree in the vanishing theorem, determining the least upper bound in the Clifford theorems, the condition of the existence theorem and the criterion of classifying the indecomposable special rank two vector bundles generated by their sections.
消没定理中最低次数的寻找、Clifford定理中最小上界的确定、存在定理的条件、由截面生成的不可分解特殊二维向量丛分类的依据，这些是问题的主要难点。 - 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。 - 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。 - Therefore, the upper bound theorem of limit analysis is one of the effective methods to solve the problems in tunnel engineering as mentioned above.
因此，极限分析上限法是解决上述隧道工程稳定性问题的有效途径之一。