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.
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.
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。
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.
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 % ；
Their relative deviation of the equivalent plasticity strain increments was 15.5%, assuming that the two conditions coincide under simple tension;
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。
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.
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。
The distributions of equivalent plastic strain, dissipated, kinetic and elastic strain energies are all dependent on the gradient distribution of the composition.
采用刚塑性有限元法研究了多轴压缩过程中的坯料变形行为、等效应变大小、分布以及损伤值。
The billet deformation behavior, the magnitude and distribution of effective strain and damage value were investigated by rigid-plastic finite element method during multi-axial compressions.
基于各向同性弹塑性损伤假定和应变等效假设，采用重复拉伸的试验方法，得到了焊缝金属的损伤演化规律。
Based on the adoption of elastoplastic damage theory and effective strain assumption, weld metal coupons were tested under repeated pull and their damage evolution law was determined.
采用边坡某一幅值的等效塑性剪应变区，从坡脚到坡顶贯通前的折减系数作为边坡安全系数。
The strength reduction coefficient before a well-defined equivalent plastic shear strain (EPSS) running through from the bottom to the top of a slope is considered as its safety factor.
通过引入三种临界等效膜应变，对屈曲、塑性和塑性失效三种临界动力状态进行了定义，根据定义获得了每个试件的临界值。
The plates exhibit three different critical conditions: bucklin'g, plastic incipience and plastic collapsing. The conditions are defined by three kinds of critical equivalent membrane strains.
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。
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.
形成的硬化函数通过将等效塑性偏应变和体积应变。
The hardening function was formed by incorporating an equivalent plastic deviator strain and a volume strain.
平砧锻造是塑性大变形问题，本文采用随动坐标系跟踪流动质点，利用能量法分步计算质点位移增量、等效应变场等，然后叠加。
To improve the accuracy of large floating point number calculatation, an iterative approach of inverse transformation for Gauss projection with floating coordinate system is presented.
平砧锻造是塑性大变形问题，本文采用随动坐标系跟踪流动质点，利用能量法分步计算质点位移增量、等效应变场等，然后叠加。
To improve the accuracy of large floating point number calculatation, an iterative approach of inverse transformation for Gauss projection with floating coordinate system is presented.
应用推荐