低周被劳寿命可由塑性应变能表达。
岩样的塑性变形假设根源于塑性应变局部化。
It is assumed that plastic deformation stems from the localization of shear strain.
提出一种修正的随动硬化材料塑性应变关联流动律。
A modified associated flow rule of plastic strain for kinematic hardening materials is presented.
随着含水量增加，土样的塑性应变量增加，强度减小。
The plastic axial strain increases and strength decreases as water content increases.
本文对线性塑性应变能缓冲器进行了理论和实验研究。
This paper deals with the strain energy linear ductile arrester by using theory of plasticity.
积累损伤作为等效塑性应变、塑性体积应变和压力的函数。
The accumulated damage model is viewed as the function of equivalent plastic strain, plastic volumetric strain and pressure.
合金的塑性应变能密度受应变幅的影响且具有循环相关性；
The values of plastic strain energy density are affected by the plastic strain amplitude and change with the cycle numbers.
焊缝中心线附近的等效塑性应变和结构纹理呈现洋葱状结构。
Onion rings are formed in the microstructural texture and in the equivalent plastic distributions.
将非局部总应变减去弹性应变，可得剪切带的非局部塑性应变。
Subtracting the elastic strain from the total strain yields the non-local plastic shear strain that depends on the flow stress and the damage variable.
为了克服峰值塑性应变的网格敏感性，对现有强化函数进行修正。
A modification to the existing hardening function is proposed to reduce the mesh sensitivity of the plastic strain at peak stress.
轴向回跳的原因是轴向弹性应变的恢复快于轴向塑性应变的增加。
The reason for axial snap-back is that the recovery of axial elastic strain is faster than the increase of axial plastic strain.
侧向回跳的原因是侧向弹性应变的恢复快于侧向塑性应变的增加。
Similarly, the reason for lateral snap-back is that the recovery of lateral elastic strain is faster than the increase of lateral plastic strain.
塑性应变比与应变硬化指数是评价板料成形性能的两个重要参数。
Thirdly, plastic strain ratio and strain hardening index are the two key parameters of material's formability.
论述了该型催化转换器的气体流动特性、温度分布和塑性应变分布。
Discuss the gas flow characteristics, temperature distribution and plastic strain distribution of this catalytic converter part.
浇注温度和砂型初始温度越高，热节处粘塑性应变越大，而热应力越小。
The higher the pouring temperature and initial mold temperature are, the larger the plastic strain while the smaller the thermal stress is.
文中假定，弹性阶段的粘性效应可以略去，仅在塑性应变中粘性才起作用。
It is assumed that the viscosity effect can be neglected for elasticity strain, and only for plasticity strain, the viscosity is significant.
本文解作为一般解，既能反映材料的弹性变形，也能计入材料的塑性应变强化。
As a general one, the presented solution can represent not only the Linear-elastic response but also the plastic strain hardening of an actual material.
如果土体应力超过其屈服应力，则土障将出现不可恢复的塑性应变，甚至导致破坏。
The irreversible inelastic strains will occur as the stresses reach to critical yield surface, even result in the failure of the clay barrier.
喷丸过程和随后的接触疲劳滚压过程同属在赫兹应力作用下的循环弹塑性应变过程。
Both shot peening and contact rolling belong to the cyclic elastic-plastic deformation process under the action of Hertz stress.
针对复杂的交变载荷，采用运动强化模型反映塑性应变引起的各向异性和包辛格效应。
The (aeolotropism) and Bauschinger effect resulted from plastic deformation under cyclic loading were reflected by the kinematic hardening model in the SFEM.
从理论上说明塑性应变增量的方向不仅与应力的主方向有关，还与应力增量的方向有关。
The theoretical result shows that the direction of plastic strain increment is determined by the direction of principal stress and stress increment.
当荷载被移走时，应变的弹性部分恢复，但塑性应变部分(滑移和徐变)却会永久呆留。
When the load is removed, the elastic portion of the strain is recovered, but the plastic part (slip and creep) remains as permanent set.
经典塑性理论把应变分成弹性应变及塑性应变两部分，不能圆满说明土的塑性变形性质。
In the classical theory of plasticity strain is separated into elastic and plastic components, but this approach cannot deal satisfactorily with the soil deformation.
利用本文建立的指数衰减模型能够较好地描述材料的非线性塑性应变幅与寿命之间的关系。
A new exponential dissipation model is presented to describe this bilinear material's plastic strain amplitude-fatigue life relation.
在观测和计算的基础上，对微空洞的形核率和长大率与塑性应变的关系进行了分析和讨论。
Based on these observations and computations, some analytical results have been made to show strain dependency of voids nucleation rate and voids growth rate.
累积塑性应变能随着加载频率及应力水平的增加而增加，与疲劳寿命在半对数坐标下呈线性关系。
The cumulative plastic strain energy increases with the increase of the loading frequency and stress level, which is linear with fatigue life on semilog coordinate.
在试验的基础上通过引入综合影响参数对试验数据进行归一化，建立饱和软黏土累积塑性应变模型。
Based on the test results, an empirical accumulative plastic strain model is proposed by introducing a comprehensive impact parameter.
对于形变理论，假定塑性应变张量与总应变偏量张量成比例，其比例因子是总有效应变的标量函数。
For plastic deformation theory, it is assumed that the plastic strain tensor is proportional to the total strain deviation tensor and the ratio is a sealer 'function of the effective total strain.
试验结果表明，焊缝金属具有比较好的塑性变形能力，焊缝的损伤值与材料的累积塑性应变呈线性关系。
The experimental results showed that weld metal had enough plastic deformation capacity, and its damage value was linear with the cumulative plastic strain.
试验结果表明，焊缝金属具有比较好的塑性变形能力，焊缝的损伤值与材料的累积塑性应变呈线性关系。
The experimental results showed that weld metal had enough plastic deformation capacity, and its damage value was linear with the cumulative plastic strain.
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