1) unit cell model
单位胞体模型
1.
Numerical simulation and its comparison based on two unit cell models;
两个单位胞体模型数值模拟结果比较
2.
The numerical model was performed using the axial symmetry unit cell model, with the particles treated as elastic cubes, spheres or cylinders embedded within the aluminum matrix.
并利用三维有限元方法,建立球体、立方体、圆柱体3种单位胞体模型, 对颗粒增强铝基复合材料进行数值模拟。
2) unit cell
单胞模型
1.
A unit cell model was applied to study the creep damage behavior after fiber fractures in the fiber reinforced composites at high temperature.
首先利用复合材料纤维断裂单胞模型,编制蠕变损伤子程序,对单胞模型进行蠕变损伤分析。
2.
A three-dimensional cubic unit cell was employed according to the real micro-structure of the particles reinforced metal-matrix composites.
有限元分析模拟复合材料真实微细观结构,采用立方体单胞模型,基体立方体里面包含有不同数目的球形增强颗粒,增强颗粒的位置坐标由随机函数确定。
3.
The defined unit cells have the brick shape which height is equal to the braiding pitch, and oriented in the same reference coordinate as the composites.
该单胞模型为一六面体形状,其取向平行于预制件的表面,且高为编织花节长。
3) unit cell model
单胞模型
1.
A geometric unit cell model of the three-dimensional and seven-directional braided composite is established to describe the basic structure,and the relationship between braiding parameters is deduced.
在此基础上,建立了能反映其基本结构的几何单胞模型,并推导了编织参数之间的数学关系,为进一步分析三维七向编织复合材料的力学性能奠定了基础。
2.
According to the relationship between the excellent properties of 3-dimensional 5-directional braided composites and their microstructure, the unit cell model is established on the pattern of the rule of the yarn movement.
针对三维五向编织复合材料的优异性能与其细观结构的密切关系,在分析三维五向编织物纱线的运动规律的基础上,建立了三维五向编织结构的单胞模型,并推导了有关参数之间的数学关系,计算了纤维体积含量。
3.
A unit cell model based on meso-structure and preparation procedure is presented for the in-plane coefficient of thermal expansion(CTE) of 2-D braided C/SiC composites.
根据二维编织C/SiC复合材料的细观结构及其制备工艺特点,提出了一种预测该材料面内热膨胀系数的单胞模型。
4) cell model
单胞模型
1.
Six cell models are proposed to simulate the macrostructures of trabecular bones, and the homogenization theory and finite element method is employed to calculate the macro equivalent Young s modulus of trabecular bone.
给出了六种单胞模型的松质骨弹性模量与材料密度 (体分比 )的关系 ,与实验数据进行了对比 ,分析了不同微观结构模型在不同骨骼中的应用。
2.
Considering the structure characteristics of 3D orthogonal woven composite(3D-OWC),a cell model composed of three orthogonal bundles of fibers and matrix was proposed based on the assumption that the fiber bundle has the rectangular cross section.
根据三维正交机织复合材料的结构特点,在假设纤维束横截面为矩形的基础上建立一种单胞模型,该模型由3组互相正交的纤维与基体组成。
5) 8-quarter single cell body
八位单胞体
6) Cell model
体胞模型
1.
For this purpose, a three-dimensional cell model is established, and the damage of the metal is calculated by finite element method.
为了研究金属材料中由于夹杂或第二相粒子的存在所形成的孔洞等 ,细观缺陷的大小及分布的非均匀性对材料损伤演化的影响 ,建立了孔洞群三维体胞模型 ,可以在孔洞大小及分布非均匀的情况下对材料损伤进行有限元模拟计算 。
2.
The constitutive potential of particle reinforced composites (PRC) is analyzed on the basis of the cell model.
在体胞模型的基础之上应用解析方法分析了颗粒或短纤维增强复合材料的本构行为 ,结合数值计算给出了表征材料本构关系的解析表达式 。
3.
Based on the Cell model and the theory of mesomechanics,the evolution equation of void volume was derived.
本文基于细观塑性理论,采用体胞模型和里兹法,推导出了大锻件内部空洞的体积演化方程,通过分析空洞闭合的力学条件,建立了大锻件内部空洞的热锻闭合准则。
补充资料:胞饮作用和胞吞作用
胞饮作用和胞吞作用
pinocy tosis and endocytosis
吸收膜外吸附的溶液或物质.例如大分子或分子的聚集体(moleeular aggregates),如图所示。一般胞饮作用是指以这种方式吸收液体徽滴的过程,胞吞作用是指吸收大分子或分子聚集体的过程,但有时也用胞饮作用或胞吞作用泛指通过质膜内陷吸收膜外所吸附的物质的过程。通常这种过程在矿质养分吸附中的作用不大,但胞饮作用或胞吞作用为大分子的吸收提供了一种可能的机理。(饶立华)胞饮作用和胞吞作用(pinocy‘0515 and“n-docytosis)细胞外的液体徽滴或物质吸附在质腆上,通过质膜内陷形成小囊泡而被消化吸收的过程。电镜观察的资料证明植物根可以通过质膜内陷的方式 脆饮作用及胞吞作用示意图(a)质膜外吸附大分子及液滴,(b)质膜在吸附大分子及液滴的部位内陷.(c)质膜内陷部位形成的小t泡进入细胞质,(d)小续泡 膜溶解。其内含物转移到细胞质中
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