The total deformation of soils consists of three parts: elastic strain, plastic strain related to volumetric yielding mechanism and plastic strain related to shear yielding mechanism.
土体总的变形由三部分组成：即弹性应变、与体积屈服机制相关的塑性应变和与剪切屈服机制相关的塑性应变。
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。
A modification to the existing hardening function is proposed to reduce the mesh sensitivity of the plastic strain at peak stress.
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。
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.
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。
Discuss the gas flow characteristics, temperature distribution and plastic strain distribution of this catalytic converter part.
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。
The elastic range, the plastic range (during which the material flows at a constant stress), the strain-hardening range, and the range during which necking occurs, terminating in fracture.
弹性范围，塑料范围（当材料以不变的应力流动时），应变硬化范围和发生颈缩现象以其断裂终止的范围。
Based on the plastic flow theory of soils, an elastoplastic constitutive model for describing the stress-strain behavior of the saturated sands under the action of monotonic loading is developed.
利用土体的塑性流动理论，提出了用于描述饱和砂土在单调荷载作用下的应力—应变反应性质的弹塑性本构模型。
The traditional viewpoint of existing heating process and neglecting melting phenomena in welding results in the error of considering compressive plastic strain in welding.
由于认为焊缝存在加热过程和忽视熔化现象的存在，导致传统观点认为的焊缝存在压缩塑性应变的错误。
The theoretical result shows that the direction of plastic strain increment is determined by the direction of principal stress and stress increment.
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。
In this model, a new kinematic hardening equation was used; the non-proportionality, the effect of temperature and memorization for the maximum plastic strain amplitude were also considered.
该模型给出了一个新的背应力演化方程，引入了非比例度参量，并且还考虑了最大塑性应变幅值记忆效应和温度效应的影响。
A modified associated flow rule of plastic strain for kinematic hardening materials is presented.
提出一种修正的随动硬化材料塑性应变关联流动律。
When the load is removed, the elastic portion of the strain is recovered, but the plastic part (slip and creep) remains as permanent set.
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。
Only if this short crack extends long enough and blunted wide enough, can it affect the principal crack extension and the distribution of stress and plastic strain.
只有小裂纹扩展到足够长并钝化到足够宽，才能够影响主裂纹的扩展及其前端应力、应变的分布。
A hybrid grid method was used to determine the principal plastic strain distribution in a deformed area of a sheet metal piece.
为进一步研究大型覆盖件冲压成形质量分析的技术，采用混合网格法进行变形区域塑性主应变分布测量。
The relation between the gradient of local (plastic) shear deformation and the local (plastic) shear strain and that between the gradient of velocity and the strain rate were established.
建立了局部(塑性)剪切变形梯度与局部(塑性)剪切应变分布之间的关系及速度梯度与应变率分布之间的关系。
The higher the pouring temperature and initial mold temperature are, the larger the plastic strain while the smaller the thermal stress is.
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 permeability coefficient is dependent on the plastic shearing strain (ratio).
渗透系数依赖于塑性剪切应变(率)。
The observed phenomenon that both 7000 series alloys tested soften cyclically at smaller plastic strain amplitude and harden at larger plastic strain amplitude is explained.
阐述了观察到的两种7000系列合金在小塑性应变幅下循环软化，而在大塑性应变幅下循环硬化的现象。
Based on the principle of interaction between plastic volumetric strain and plastic generalized shear strain, the method of numerical modeling for constitutive relations of clay is studied.
以塑性体应变与塑性剪应变之间的相互作用原理为指导，对粘土本构关系的数值建模方法进行了研究。
Through the comparison of seismic wave attenuation and plastic strain, except for geometrical attenuation, the plastic deformation of coal and rocks is also contributing to energy consumption.
通过地震波的衰减规律与塑性应变变化的比较可见，能量的消耗除了几何扩展衰减外，煤岩体的塑性变形方面也起了一定的作用。
The plastic complementary potential function was proved to exist in the plastic region of strain space by virtue of the new plastic postulation.
根据广义塑性公设，证明了塑性余位势函数在应变空间塑性区的存在性。
The values of plastic strain energy density are affected by the plastic strain amplitude and change with the cycle numbers.
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 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。
Using an empirical cumulative plastic strain formula, a method for calculating the traffic load induced deformation was proposed.
针对交通荷载作用下软土地基的变形问题，采用累积应变的经验公式计算其累积沉降。
The plastic axial strain increases and strength decreases as water content increases.
随着含水量增加，土样的塑性应变量增加，强度减小。
The reason for axial snap-back is that the recovery of axial elastic strain is faster than the increase of axial plastic strain.
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。
Along the cladding direction, plastic tension strain appears which is the main cause of cladding layer cracking.
熔覆层材料沿熔覆方向发生的塑性拉伸变形，是造成熔覆层开裂的主要原因。
Big error occurs when such plastic strain is simplified as the linear function of displacement.
若将其应变简化为位移的线性表达式，则存在着很大的误差。
Introducing the plastic strain the differential constitutive equation for viscoelastic and plastic materials is deduced from multi-integral constitutive equation for nonlinear viscoelastic materials.
本文从非线性粘弹性物质的多重积分型本构方程出发，引入塑性应变，推导了粘弹塑性物质的微分型本构方程。
Introducing the plastic strain the differential constitutive equation for viscoelastic and plastic materials is deduced from multi-integral constitutive equation for nonlinear viscoelastic materials.
本文从非线性粘弹性物质的多重积分型本构方程出发，引入塑性应变，推导了粘弹塑性物质的微分型本构方程。
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