A new four-parameter equivalent strain for isotropy damage model is presented.
提出了一种新的用于各向同性损伤模型的四参数等效应变。
Under the assumption of equivalent strain principle, a damage constitutive model is established based on Mohr-Coulomb criterion.
根据应变等效假设可得到基于莫尔—库仑准则的损伤本构方程。
The equivalent strain increases gradually along the direction of rolling and reaches the maximum value of 0.253 at outlet of work piece;
等效应变沿轧制方向逐渐增大，在轧件出口处达到最大值0.253；
An application of the equivalent strain energy density method for calculation of elastic-plastic notch-tip strains under tension loading is presented.
本文介绍了根据应变能密度原理估计拉载作用下缺口底部应力、应变的方法。
While the equivalent strain rate is high, this influence is of importance and the compression process can be approximately considered as an adiabatic process.
当等效应变速率较大时，变形热效应对流动应力的影响相当显著，压缩过程基本上成为绝热过程。
During the isothermal constant strain rate compression process, the effect of deformation heating on flow stress increases with increasing equivalent strain rate.
在等温恒应变速率压缩过程中，随着等效应变速率的增大，变形热效应对流动应力的影响程度增大。
The theoretical and experimental results show that the Damage variable is linear with equivalent strain and it is affected remarkably by the triaxiality stress ratio.
理论分析与实验结果表明，损伤变量与相当应变呈线性关系，并且其值受应力三轴变的显著影响。
Following the calibration of standard strain sensors, effective and practical experimental processes were designed by the introduction of an equivalent strain sensor.
通过引入一个当量应变片，遵照标准应变片的标定规定，本文设计了实用有效的实验标定步骤。
Elastic finite element method are used to calculate the point of internal mould of the equivalent stress, equivalent strain, such as force and energy parameters and their distribution.
用有限元法计算了模具的温度分布，这为研究模具在不同温度条件下的应力状态做好了准备。
The accumulated damage model is viewed as the function of equivalent plastic strain, plastic volumetric strain and pressure.
积累损伤作为等效塑性应变、塑性体积应变和压力的函数。
And then, the so_called equivalent length is redefined by using the basic concept of modeling of strain localization.
等效长度的概念具有了明确的物理含义，且几个基本模型在理论基础上达到一致。
Distribution of temperature, equivalent plastic strain and radial and axial rolling force have been quantitatively analyzed in the whole process.
定量分析了整个轧制过程环件内的温度、等效应变、双向轧制力的分布和演化情况。
A method, the equivalent loading method based on inherent strain, to predict welding deformations of structures accurately is presented in this paper.
文章提供了准确预测焊接变形的固有应变等效载荷法。
The distributions of equivalent plastic strain, dissipated, kinetic and elastic strain energies are all dependent on the gradient distribution of the composition.
等效塑性应变的幅值、动能、弹性应变能及耗散能随时间的变化规律与功能梯度材料组份成分沿厚度的变化密切相关。
Theories of axisymmetrical consolidation, plain strain consolidation and equivalent plain stain consolidation by vertical drains have become the theoretical parts of the problem.
而含竖向排水体地基轴对称固结理论、平面应变固结理论和两种固结情况的等效方法这三部分是完成等效的理论组成部分。
We establish the strain energy method for solving the equivalent performance of singularity materials of orthogonal phases.
建立了求解正交各相异性材料等效性能的能量法。
The optimal gate project have been found out by comparing the equivalent stress, strain and the graph of speed.
通过比较等效应力应变值及速度曲线，得出了最佳的浇口方案。
On the assumption of bi-directional and unilateral strain, dynamic failure strain of two submarine representative structures were measured according to the volume equivalent principle.
利用体积等效原理，得到了潜艇的两种典型结构在双向应变假设和单向应变假设下的动态开裂应变。
With the increase of the translation velocity of the pin, the flow of the material in friction stir welding becomes faster but the equivalent plastic strain decreases.
随着搅拌头平移速度的增加，垂直于焊缝方向上的截面上，等效塑性应变减小，但是材料的流动速度会随之增加。
Their relative deviation of the equivalent plasticity strain increments was 15.5%, assuming that the two conditions coincide under simple tension;
若规定简单拉伸时两种屈服条件重合，则两者的等效塑性应变增量的相对偏差为15 .5 % ；
Based on above fitted relation and equivalent viscous damping theory, a nonlinear constitutive equation of damping alloy depending on strain amplitude and frequency is put forward.
将所得变化规律与等效粘性阻尼理论相结合，给出了一种依赖于应变和频率的非线性阻尼本构关系式。
The stress triaxiality and equivalent plastic strain distributions at the minimum cross-section of specimens with different notch root radius are similar for such three kinds of materials.
三种材料不同缺口根半径试样最小横截面上应力三维度和等效塑性应变分布形态相似。
To address this, an equivalent load method based on inherent strain is presented.
文章提供了准确预测焊接变形的固有应变等效载荷法。
At present, two stress states — the planar stress and the planar strain are usually adopted in the modeling experiment of the equivalent materials.
目前在相似材料模拟试验中，常采用平面应力模型与平面应变模型两种受力状态。
An equivalent no-perforated plate concept is introduced in the stress-strain analysis for densely-distributed film cooling holes on turbine blades of gas turbine engines.
以带气膜冷却孔的航空燃气涡轮发动机涡轮叶片为研究背景，引入了等效概念对密布小孔结构进行了详细的应力-应变分析。
An orthotropic equivalent uniaxial stress-strain constitutive model of concrete is used.
采用了等效单轴应力应变混凝土本构模式。
Comparing the change of stress and strain rate distribution in the extrusion process finds that where plastic deformation is large, the corresponding equivalent stress is large too.
对挤压变形过程中金属的应力和应变速率的变化情况进行了对比，发现金属变形时塑性变形较大的位置，对应的等效应力也较大。
Buckling of thin plate due to butt weld was investigated using inherent strain method as an equivalent load.
提出了基于固有应变对接薄板失稳分析的基本方程。
Buckling of thin plate due to butt weld was investigated using inherent strain method as an equivalent load.
提出了基于固有应变对接薄板失稳分析的基本方程。
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