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1)  strain energy along radius from crack tip in plastic zone
端塑性区内方向应变能
2)  direction of plastic strain increment
塑性应变增量方向
1.
As shown in a great amount of test results and theoretical analyses,the direction of plastic strain increment for geomaterials is different from that of stress.
由该公式计算的塑性应变增量方向得到了试验结果的验证。
3)  plastic strain energy
塑性应变能
1.
A method for estimating fatigue damages of bracing members based on plastic strain energy;
基于塑性应变能的钢支撑疲劳损伤评估方法
2.
The variety of the stress-displacement curve area is selected to be the damage variable instead of the plastic strain energy per cycle.
通过316L钢在420℃环境下应力控制的低周疲劳实验,基于连续损伤力学,提出一种新的低周疲劳损伤模型,采用 间接反映循环塑性应变能的应力-位移曲线面积的变化作为损伤变量,实验结果与该模型显示的疲劳损伤演变规律符合较好。
3.
The total plastic strain energy of a stationary crack per cycle was calculated through 2-D elastic plastic finite element analysis under constant amplitude fatigue loading,and the nonlinear relation of total plastic strain energy with stress intensity factor range was obtained.
通过二维弹塑性有限元计算得到I型静态裂纹在常幅疲劳载荷下裂纹尖端塑性应变能,进而获得裂纹尖端塑性应变能和应力强度因子幅值的非线性关系;根据能量平衡概念,建立了裂纹扩展速率与裂纹尖端塑性应变能的关系。
4)  plastic energy
塑性应变能
1.
The mechanism of the multiaxial fatigue damage is analyzed and a new plastic energy-based approach for predicting multiaxial fatigue life is described.
此模型以临界平面上的塑性应变能作为疲劳损伤参量,分析了临界平面的特点并给出了损伤参量的计算过程。
5)  axial plastic strain
轴向塑性应变
1.
It can also be expressed with macro-dissolving velocity,axial plastic strain,and dissolving time with analyzing the data of the tests.
采用溶解质量(即宏观溶解速率)与轴向塑性应变和溶解时间之间的关系来定量描述应力作用下岩盐溶解速率的变化,在试验结果的基础上得到溶解质量与轴向塑性应变和溶解时间之间的变化规律;通过不同阶段的裂纹溶解之后形态上的变化,对不同轴向塑性应变下岩盐宏观溶解速率发生变化的机制进行分析。
6)  plastic strain energy density
塑性应变能密度
1.
The effects of titanium alloying method and titanium content on the plastic strain energy density and low-cycle fatigue behavior of A356 alloys were investigated.
结果表明:4种合金均表现为明显的循环硬化行为;具有较高钛含量的E14、M14合金的循环硬化能力高于低钛含量的E10和M10合金;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;高应变幅时,塑性应变能较高但随循环周次变化较小;当应变幅较低时,合金的塑性应变能较小但变化较大,特别是塑性较好的E10和M10合金;无论是电解加钛还是熔配加钛,钛含量为0。
补充资料:区内
1.宇内,天下。
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