3) porosity cluster pore
成串孔洞
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) 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
6) 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。
补充资料：细胞壁形成初期，赤道板上形成成膜体
潘家迅绘
[图]
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