An isoparametric finite element program of large elastic-plastic strain (LEPS) is used to analyse the necking of a cylindrical bar and a plate specimen under uniaxial tension.
本文用弹塑性大应变问题的等参数有限元分析程序(LEPS程序)，对平板和圆棒试件的颈缩作了较全面的分析。
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 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。
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。
The point of intersection of elastic line and plastic line moves toward the low cycle life with the hardness of the spring steel raised after tempering from the strain fatigue curve.
在应变疲劳曲线上，弹性线和塑性线的交点随弹簧钢回火后硬度的升高而向低循环寿命移动；
We found: the samples experience elastic and plastic deformation processes before fracture, and the elastic strain is very large, it is about 2%.
结果表明：该合金的室温压缩变形过程表现为弹性和塑性变形，弹性应变很大，可达到2%。
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。
On the basis of the experimental results and theoretical analysis, a damage formula about the difference of plastic strain and elastic strain is put forward.
基于实验结果和理论分析，提出了一个考虑弹塑性应变幅比重不同的损伤公式，并与其它五种损伤公式寿命预测的结果做了比较。
In the classical theory of plasticity strain is separated into elastic and plastic components, but this approach cannot deal satisfactorily with the soil deformation.
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。
The plastic fiber selected has different ultimate tensile strain and elastic modulus, and the fiber can be carbon fiber, aramid fiber, glass fiber and the like.
选用的塑料纤维应具有不同的极限拉应变和弹性模量，纤维可以为碳纤维、芳纶纤维、玻璃纤维等。
The load point displacement caused by single load for two dimentional cracked body with certain strain hardening exponent is divided into its linear-elastic and plastic components.
将具有一定应变硬地指数的二维裂纹体在单一载荷作用处的位移分成线弹性部分和塑性部分。
As the material is deformed beyond the strain that elastic deformation persists, the stress is no longer proportional to strain, and permanent, nonrecoverable, or plastic deformation occurs.
当材料的形变超出弹性形变发生的范围，其应力将不再与应变成正比，永久的、不可回复的形变发生，即为塑性形变。
The elastic parameters of anisotropic rocks are the functions of plastic strain and loading Angle.
推导出各向异性岩石弹性变形参数是塑性应变和加载角度的函数。
The exact solution of linear elastic fracture mechanics is suggested in this paper and the plastic zone of crack tip is calculated under the condition of strain-hardening of material.
本文从线弹性断裂力学的精确解出发，在考虑材料强化影响的情况下，计算出裂纹前缘的塑性区。
The expressions of elastic deforming volume and plastic deforming volume in the plastic zone were presented together with the average plastic volumetric strain.
给出了塑性区中平均体积应变及弹、塑性变形体积的计算公式和剪胀角的测试方法。
The full process testing curves of stress strain for the granite of the TGP permanent lock present typical elastic brittle plastic properties.
长江三峡花岗岩测试表明，其应力应变全过程曲线呈现典型的弹脆塑性。
The elastic plastic deformation and stresses of the micro composite are studied according to the shear lag theory and strain-hardening law.
按剪滞理论和应变硬化规律研究微复合材料的弹塑性变形和应力状态。
The total strain is thus made up of elastic strain, possibly combined with plastic strain that results from slip, creep, or both.
这样，应变包含了弹性应变、滑移导致的塑性应变，徐变或I?两者皆有。
The crack tip stress-strain field of elastic-plastic materials are analysed by finite element method in the plane stress condition.
用有限元方法对平面应力条件下弹塑性材料的裂纹尖端应力应变场进行了计算。
The experimental and research results indicate that non-elasticity strain associate with time in nature according to constitutive equations of the classical elastic-plastic and creep theory.
实验和研究表明：基于经典弹塑性及蠕变理论的本构方程，非弹性应变在高温下其本质上是时间相关的。
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。
The elastic strain, plastic strain and fracturing are integrated and coupled with fluid and chemistry using an incremental stress rheological approach.
采用递增应力流变学方法将弹性、塑性、断裂变形结合并与流体和化学耦合起来。
Similarly, the reason for lateral snap-back is that the recovery of lateral elastic strain is faster than the increase of lateral 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。
The incremental elastic stress-strain relation is derived. The process is similar to the analysis in plastic flow.
类似于塑性流动分析方法，定义了增量弹性应力应变关系。
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.
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。
The influence of axial force on the elastic-plastic stretch bending and sprngbackof a sheet metal is examined and a method to calculate the strain of middle layer is also given.
通过对带钢横截面上应力状态的分析，研究了纵向拉力对带钢变形的影响，给出了计算带钢中性层应变的方法。
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.
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。
The Cam-clay model has widely been used in the last decades which described the main features of soil elastic-plastic stress-strain relationship.
著名的剑桥模型描述了土的塑性本构关系，在提出的几十年中已得到广泛的应用。
In various conditions, the failure characteristics are almost the same and all the stress-strain curves are similar with obvious elastic phase and plastic phase.
土体污染和浸泡环境下水泥土试块应力—应变关系曲线形状相似，具有明显的弹性阶段和塑性阶段。
The variation is smaller in plastic relaxation than the elastic one under the same in-plane strain.
在相同的平面应变下，塑性弛豫引起的电荷分布不均匀性变化小于弹性变形。
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