1) Equivalent strain energy density Δ eq
当量应变能密度ΔWe
2) equivalent strain energy density
当量应变能密度
3) Equivalent plastic strain energy density
当量塑性应变能密度
4) equivalent strain energy density method
当量应变能密度准则
1.
A modified equivalent strain energy density method;
讨论了循环加载下材料的塑性应变能、储能和热能耗散,发现当量应变能密度(equivalent strain energy density,ESED)准则相比Neuber准则多考虑了塑性应变能密度,因此当量应变能密度准则局部应变场估计值会远低于Neuber准则的估计值。
5) strain energy density
应变能密度
1.
Based on the strain energy density theory, the equivalent strain energy density at half life is used as a control parameter, and a new life prediction model for stress controlled fatigue or fatigue-creep interaction is proposed in this paper.
基于应变能密度理论,并以半寿命等效应变能密度作为控制参量,提出一种新的应力控制寿命预测方法。
2.
A 2-D finite element model of tire-rubber was established to simulate the crack growth of the sample under simple tension,by using the strain energy density parameter.
建立了二维轮胎橡胶材料的有限元模型,用应变能密度这个参数模拟了试样承受单向拉伸时裂纹的扩展方向。
3.
Based on the theory of continuum mechanics and maximum tensile stress criterion and conservation law of energy, this paper has proposed that fracture strain energy density of brittle materials is linear with their fracture strain, and that average stress decided by them is a material constant, which have been verified by PMMA materials tensile test at the different loading rates.
本文基于连续介质力学理论和最大拉应力准则 ,从能量的观点出发 ,根据能量守恒定律 ,提出了脆性材料的断裂应变能密度与断裂应变成线性关系 ,由此确定的平均应力为材料常数。
6) equivalent plastic strain energy
当量塑性应变能
1.
25Cr1Mo steel, the high temperature low cycle fatigue life was evaluated by the criterions of equivalent strain range, equivalent plastic strain energy and equivalent gross energy.
2 5Cr1Mo钢材料圆柱形试件的高温低周疲劳行为的研究 ,用当量应变范围准则、当量塑性应变能准则和当量总应变能准则评价多维应力状态下的高温低周疲劳寿命。
补充资料：应变能释放速率
分子式：
CAS号：
性质：在线性弹性断裂力学中，把裂纹增加单位长度所需的能量。以符号G表示。对于张开型裂纹，通常用G1表示，当G1达某一临界值G1C时，材料断裂。
CAS号：
性质：在线性弹性断裂力学中，把裂纹增加单位长度所需的能量。以符号G表示。对于张开型裂纹，通常用G1表示，当G1达某一临界值G1C时，材料断裂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条