结构塑性极限分析

复杂结构塑性极限分析的修正弹性补偿法

Modified elastic compensation method for limit analysis of complex structures

系统地介绍了结构塑性极限分析的原理和方法。

The theory and method of the plastic limit analysis are introduced systematically .

在结构塑性极限分析中常使用以内力表示的塑性条件。

Expressions denoted with internal forces arc often used in the limit analysis in plastic stage .

弹性补偿有限元法是一种简单、高效的结构塑性极限分析方法，目前仅用于采用单一材料的结构体系中。

This artical presents an analytic method to detemine load incremental factor by incremental elastoplastic FEM as the load comes to limited one .

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 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 .

建立了网架封板的强度计算模型，采用结构塑性极限分析理论，得出了封板极限承载力和厚度的计算公式，可供设计时参考。

The calculating model of sealing plate of steel space frame is set up . Using the structural plastic limit analysis theory , the formula to calculate ultimate bearing capacity of the sealing plate and simplification formula are given , which can be consulted for design .

选取适当的坐标系，根据边界条件选择挠度的近似函数，按结构塑性极限分析理论中拉弯构件的极限条件，进而推导得出均布荷载作用下的塑性极限承载力。

Select the appropriate coordinate system , according to the boundary condition choice of deflection approximate function , according to the structure plastic limit analysis of the theory of bending the limit condition of Component , then derived obtained under the equispaced distributed load function of plastic limit bearing capacity .

弹性补偿法（ECM）是结构塑性极限载荷分析中一种简单有效的方法，但对复杂结构其计算结果往往存在较大误差。

The elastic compensation method ( ECM ) for struc - tural limit analysis is a simple and effective method for simple structures . However , relatively greater computational errors and divergence are often caused for complex structures .

爆炸冲击波作用下多层多跨框架结构的塑性极限分析

Multistory Multispan Frame Structure 's Plastic Limit Analysis under Explosive Blast

含缺陷结构的塑性极限分析

A mathematical programming method for limit analysis of 3-D structures with defects

拱型折板结构的塑性极限分析

Plastic ultimate analysis of arch folded plate structures

带缺陷管系结构的塑性极限分析

Plastic limit analysis of defective piping systems

多种材料结构体系塑性极限分析的弹性补偿有限元法

Elastic compensation finite element method for plastic limit analysis of a structure system with multi-material

本文探讨了圆柱形网壳结构的塑性极限分析。

The plastic limit analysis of cylindrical reticulated shells has been studied in this paper .

利用增量法，对试验结构进行塑性极限分析，计算结构的塑性极限荷载，论证试验结果；通过塑性极限分析，得出试验结构破坏机构形式，初步分析该类结构梁铰破坏机制原因。

Then using the increase method , carried on the plastic limit analysis to the experimental structure , the ultimate loads were calculated , the test results were proved .

本文将奇异函数法应用于结构的塑性极限分析，简化计算某些固支环形板的极限荷载。

In this paper , the method of singularity function is applied to the structural plastic limit analysis , and simplified the calculation of limit loads of some annular plates of fixed supports .

对圆板和环板结构进行塑性极限分析，一般均采用最大弯矩极限条件或屈雷斯卡屈服条件，这些屈服条件和实际情况有较大差别。

In the plastic limit analysis of circular and annular plate structure , greatest moment condition and Tresca yield criterion are commonly used . But there is greater difference between these yield conditions and actual situation .

金属基复合材料及其结构的塑性极限与安定分析

Plastic Limit and shakedown Analyses of Metal Matrix Composites and Structures

正交各向异性结构塑性极限载荷的上限分析

Upper bound analysis of plastic limit loads on orthotropic structures

弯管结构的塑性极限与安定分析

Plastic Limit and Shakedown Analysis for Curved Pipe Structures

大跨度杂交结构弹塑性极限承载力分析

Elastoplastic Ultimate Capacity Analysis of Long-span Structure