1) spherical cavity
球形孔洞
1.
Critical load of rock salt roadbed with a spherical cavity
含球形孔洞岩盐路基临界载荷
2) ellipsoidal void
椭球形孔洞
1.
Based on a non-classical theory of plasticity and the continuum damage mechanics, a damage evolution based on an ellipsoidal void model for mixed hardening materials is obtained.
基于非经典塑性理论和连续介质损伤力学,在已有的具有细片层状微观结构珠光体团的弹塑性本构方程的基础上,采用Gurson模型考虑铁素体相的孔洞型损伤,建立了基于有限大椭球体中含椭球形孔洞的细观损伤模型,得出了混合强化材料的损伤演化率,将其嵌入铁素体相的本构描述,得到了珠光体团的损伤本构模型。
2.
Based on a nonclassical theory of plasticity and the continuum damage mechanics,a damage constitutive equation is obtained for the ferrite phase with the damage evolution law for mixed hardening materials from an ellipsoidal void model under particular coordinates,where the void shape variation is considered.
基于非经典塑性理论和连续介质损伤力学,利用在一个特殊坐标系下基于椭球形孔洞模型得到的可考虑孔洞形状变化混合强化材料的损伤演化率得到了铁素体相的损伤本构方程,通过混合物理论利用铁素体和渗碳体相各自本构关系并考虑其几何特征得到了珠光体团的损伤本构模型。
4) circular cavity
圆形孔洞
1.
Scattering of SH-wave around a circular cavity in half space;
半无限空间中圆形孔洞周围SH波的散射
2.
In this paper,the dynamic response of an infinite circular cavity subjected to axially symmetric radial traction and fluid pressure in poroviscoelastic saturated medium is studied.
本文研究分析了粘弹性饱和介质中圆形孔洞在轴对称荷载和流体压力作用下的动力响应问题。
3.
Scattering of SH-wave with arbitrary incident angle by a circular cavity in right-angle plane is studied together with its influence on seismic ground motion.
研究了以任意方向入射的平面SH波对直角平面区域内圆形孔洞的散射与地震动问题。
5) void nucleation
孔洞形核
1.
Gurson-Tvergaard(GT) porous material model with optimized parameters and a practical void nucleation law is adopted to analyze deep drawing of cylindric parts.
在优选模型参数和简化孔洞形核规律的基础上,采用Gurson-Tvergaard(GT)多孔材料本构模型分析圆筒件拉深过程;根据金属成形工艺特点,综合考虑拉伸型和剪切型2种不同韧性断裂机制,提出一个统一的韧性断裂准则形式。
2.
Gurson-Tvergaard(GT) porous material model with optimized adjustment parameters and a practical void nucleation law were adopted to analyze the macroscopic stress-strain response,and according to the character of the metalforming processes,a unified fracture criterion,corresponding to different mechanisms of ductile fracture,tension-type mode and shear-type mode,was proposed.
在优选模型参数和简化孔洞形核规律的基础上,采用Gurson-Tvergaard(GT)多孔材料本构模型分析金属韧性断裂过程中的宏观应力与应变响应行为;根据金属成形工艺特点,充分考虑拉伸型和剪切型2种不同韧性断裂机制,提出一个统一的韧性断裂准则形式,并通过实验结果验证其有效性和普适性,进而采用单向拉伸实验确定的材料常数合理地预测了正挤压过程中的韧性断裂现象。
6) spherical cave
球形空洞
1.
Stability analysis for a spherical cave in soil foundation;
球形空洞地基稳定性分析
补充资料：参考椭球(见地球椭球)
参考椭球(见地球椭球)
reference ellipsoid
eankao tU0qlu参考椭球(referenee ellipsoid)见地沐椭球
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