1) ductile damage criteria
韧性损伤判据
1.
FEM simulation of three-point bending and dynamic axial crashing were preformed for thin-wall aluminum extruded tubes by using ductile damage criteria,shear damage criteria,and MSFLD damage criteria.
使用韧性损伤判据,剪切损伤判据和MSFLD损伤判据分别对铝合金薄壁管在三点弯曲(3PB)和轴向冲击载荷作用下的试验进行有限元模拟。
2) ductile damage
韧性损伤
1.
Resistance method of ductile damage measurement of metallic materials;
金属材料韧性损伤测量的电阻法
2.
Based on Lee's plastic yield function for porous material, and hypothesis that fracture initiation occurs when the void density is accumulated to a critical value,a new ductile damage model for porous material was derived.
以Lee多孔材料屈服模型为基础 ,并假设空穴密度积累到一临界值时 ,材料出现裂纹 ,推导出适用于多孔材料的韧性损伤模型。
3.
Based on the ductile damage and fracture thereom and finite element method, the core damage and fracture of the bimetal with harder core and softer sleeve under various parameters were investigated, and the ductile damage evolution of the core was discovered.
文中基于韧性损伤和断裂理论以及有限元分析方法，针对芯层金属较硬、套层金属较软的双金属的正挤压成形，研究了不同参数条件下芯层金属的韧性损伤和断裂，揭示了芯层金属的韧性损伤演化规律。
3) damage criterion
损伤判据
1.
An elastoplastic anisotropic damage numerical model for rock is established by adopting Mohr-Coulomb criterion as the shearing yield condition,ultimate strain as the shearing damage criterion,and maximal tensile stress as the tension damage criterion.
采用莫尔-库仑准则作为岩体的剪切屈服条件、极限应变作为剪切损伤判据、最大拉应力作为拉伸损伤判据,建立了适合岩体的弹塑性各向异性损伤数值模型。
4) MSFLD damage criteria
MSFLD损伤判据
1.
FEM simulation of three-point bending and dynamic axial crashing were preformed for thin-wall aluminum extruded tubes by using ductile damage criteria,shear damage criteria,and MSFLD damage criteria.
使用韧性损伤判据,剪切损伤判据和MSFLD损伤判据分别对铝合金薄壁管在三点弯曲(3PB)和轴向冲击载荷作用下的试验进行有限元模拟。
5) ductility exhaustion damage
韧性耗散损伤
补充资料：BCS超导电性判据（BCScriterionforsuperconductivity）
BCS超导电性判据（BCScriterionforsuperconductivity）
BCS将产生吸引的电-声子相互作用强过排斥的电子间屏蔽库仑相互作用作为超导电性的判据：
-V≡〈`-\frac{2|M_bb{q}|^2}{\hbar\omega_bb{q}} \frac{4\pie^2}{K^2}`〉平均＜0
式中Mq为电子发射或吸收一个波矢为q的声子的单散射中的电-声子矩阵元，$\hbar\omega_bb{q}$为声子能量，K2=q2 Kc2，Kc-1为库仑屏蔽长度，e为电子电荷。
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