应变软化

模拟地震的应变软化的数学模型

A mathematical model of strain softening in simulating earthquake

针对此，描述了一种适合具有混凝土材料拉应变软化的局部弧长法，是弧长法的一种改进。

Accordingly , in this paper a local arc-length method suitable for tensile strain softening of concrete is presented , which is an improvement of the normal arc-length method .

ⅠB随着粉土含量的增加而增大，即粉土质砂的应变软化程度随着粉土含量的增加而增加；

Its content is : I. I_B increases with silt content .

测定混凝土应变软化曲线的J积分法

Determining concrete strain - softening curve by the J - integral method

考虑材料应变软化的非线性有限元的改进变Kp法

Improved variational K_p method of nonlinear FE considering strain-softening of material

Jones（1982）的断层应变软化模型推广到非均匀应变软化和滑动偏转情形，并研究了其失稳条件。

Jones'strain softening ( 1982 ) of faults to ununiform strain softening and sliding deflection , and studied instability condition of these cases .

探讨了结构性软土的应变软化和应变硬化的变化规律，从而得出不同的阶段有着不同的初始弹性模量和K、n值。

Probe the change rule of strain softening and strain hardening of soft clay of structure cy , so the conclusion is there will be different initial elastic model and K 、 n amounts in the different stage .

首先，通过常规三轴试验揭示了Q1黄土的应力应变软化和剪胀特性。

Firstly , the softening and dilatancy characteristics of Qi loess stress-strain were found by means of conventional tri-axial tests .

求得了断裂韧度JIC、δC、断裂能GF；并由J积分法推导出了混凝土材料的拉应变软化曲线。

Consistent load-displacement curves are obtained , and the fractUre toughness JIC ,δ C , fracture energy GF are determined , then the concrete strain-softening curve is deduced by using the J-integral method .

脆性指数（ⅠB）以及不稳定线（IL）的应力比（q/p′）（IL）分别为反映应变软化程度和何时发生应变软化的参数。

The brittle index I_B and the stress ratio of instability line ( IL ), ( q / p ' ) _ ( IL ) are used to quantify the degree of strain-softening and define the boundary of stress states beyond which strain-softening behaviour may occur , respectively .

按照Valanis的理论，我们引进了一个新的内蕴时间量度。本文给出了适合于应变软化混凝土的内蕴时间非弹性本构关系以及混凝土的粘弹性本构关系。

Following the theory of Valanis [ 1 ] , a new measure of intrinsic time is introduced .

应变软化土质边坡渐进破坏的演化模型

Evolution Model of Progressive Failure of Strain - softening Soil Slopes

考虑应变软化和剪胀的柱形孔扩张理论分析

Theoretical Analysis of Cylindrical Cavity Expansion Considering Strain-softening and Shear Dilatation

基于应变软化模型的深基坑土钉加固分析

Soil nail reinforcement in deep foundation based on strain softening model

考虑应变软化及剪胀的井壁稳定统一解

Unified solutions of well-bore stability considering strain softening and shear dilation

软岩应变软化数值模型的建立与研究

Establishment and study of strain-softening numerical constitutive model for soft rock

岩石材料应变软化模型及有限元分析

Strain Softening Model of Rock Material and Associated Finite Element Analysis

两种应变软化介质组成的边坡失稳研究

Research on instability of slope composed of two strain-softening media

土工合成材料加筋土应变软化特性及弹塑性分析

Strain softening behavior and an elastic-plastic analysis of reinforced earth with Geosynthetics

一个综合模糊裂纹和损伤的混凝土应变软化本构模型

A viscoplastic model combined damage and smeared crack for softening of concrete

着重讨论了屈服后的应变软化和强化效应。

Then discusses especially the strain softening and hardening effects post yield .

岩石应变软化模型在深埋隧洞数值分析中的应用

Application of rock strain softening model to numerical analysis of deep tunnel

应变软化对复合材料分层尖端场的影响

Effect of strain softening on delamination tip-field in composite laminate

基于瑞典条分法的应变软化边坡稳定性评价方法

Stability evaluation of strain-softening slope based on Swedish slice method

混凝土应变软化与局部化的数值模拟

Numerical Simulation of Strain Softening and Localization for Concrete Materials

煤岩应变软化特性与地下硐室稳定性分析

Strain softening characteristics of coal rock and chamber stability

岩石应变软化的有限元计算

Finite Element Computation of the Rock Strain - Softening

应变软化状态下的岩石稳定性判据

A stability criterion for rocks in strain softening state

考虑材料应变软化的弹塑性有限元解法研究

Solving-method of elastic-plastic FEM considering the material 's strain-softening

岩石材料应变软化尺寸效应的实验和理论研究

Experimental and theoretical study on size effect on strain softening of rock materials