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- A modified micro-bend test method for determining the intrinsic materials length in strain gradient plasticity has been developed and described. 提出了一种用微弯曲实验测定材料的与应变梯度塑性相联系的内禀长度的新方法。
- According to the gradient plasticity theory, we introduced two- class strain gradient into yield function, derived from the formula of deformation localization band width by using Drucker - Prager yield criterion and gave the internal length of coal. 并通过应变梯度塑性理论,在屈服函数中引入应变梯度二阶项。 采用Drucker-Prager准则解析得出了煤试件的变形局部化带宽度公式并根据试验确定煤的材料内部长度。
- strain gradient plasticity theory 塑性应变梯度理论
- NUMERICAL STUDY ON THE SCALE EFFECTS PHENOMENA OF ULTRA-THIN BEAMS'BENDING WITH STRAIN GRADIENT PLASTICITY 应变梯度塑性理论下超薄梁弯曲中尺度效应的数值研究
- TWO-DIMENSIONAL ANALYTIC EXPRESSION ON STRAIN LOCALIZATION OF ROCK BY STRAIN GRADIENT PLASTICITY THEORY 岩石应变局部化的二维应变梯度塑性解析分析
- Analytic study on strain localization of rock under uniaxial compression by strain gradient plasticity theory 单轴压缩下岩石应变局部化的应变梯度塑性解
- Keywords strain gradient plasticity;classical plasticity;finite element;Al polycrystal;scale effect; 应变梯度塑性;经典塑性;有限元;铝多晶;尺寸效应;
- strain gradient plasticity 应变梯度塑性
- Non-uniform shear dilatancy of rock specimen due to plastic shear strain localization is analyzed considering strain gradient effect. 摘要采用梯度塑性理论,对岩样剪应变局部化引起的扩容进行了理论分析。
- Analysis of contraction ratio of section and external shape of localized necking zone was proposed based non-local gradient plasticity theory. 采用非局部的梯度塑性理论,得到了断面收缩率及颈缩区内部不同位置直径的解析解。
- The first bend sensor using chirp effect of fiber Bragg grating under strain gradient is described in this paper. 本文首次将光纤布喇格光栅在梯度分布的应变作用下产生的啁啾效应应用于弯曲传感 ;提出了一种新颖的光纤光栅弯曲传感方法 .
- strain gradient theories of plasticity 应变梯度塑性理论
- The strain gradient of the southeastern segment of Chuxiong fault near to Xiaojiang fault is higher. 楚雄断裂其应变的高梯度带集中在东南段小江断裂附近。
- It provides the reference of estimating the anti-wrinkling ability of flange on process design of microforming with strain gradient effect. 这为评价应变梯度硬化效应对微拉深过程中凸缘抗起皱能力的影响提供了参考。
- After that,we have analyzed the flange's stress of micro deep drawing,and deduced the moment with strain gradient effect on the onset of the flange wrinkling. 通过对微拉深成形凸缘区域的分析,推导了在微拉深进行的初始阶段,考虑应变梯度硬化效应时周向应力产生的弯矩,并通过解析的方法,得到了考虑应变梯度效应时,板厚对弯矩变化的影响曲线。
- The theoretical and applied research results for mesomechanics, theories of strain gradient, polar continuum mechanics, nonlocal continuum mechanics and basic laws are discussed one by one in the present paper. 分别论述了细观力学、应变梯度理论、极性连续统力学、非局部连续统力学及基本定律和原理在理论和应用方面的研究成果。
- This strain of wheat can grow during a cold spring. 这种小麦可以在寒冷的春天生长。
- The increase in the yield strength of the thinner microbeam is attributed to the increase in the strain gradient contribution due to inhomogeneous deformation of the small dimensional material. 微小悬壁梁屈服强度的升高来源于小尺度材料在非均匀变形下引起的应变梯度贡献的增加;
- ADVANCES IN STRAIN GRADIENT THEORY 应变梯度理论进展
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
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