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Construction and application of rve Library Based on finite element computation micromechanics

基于有限元计算细观力学的RVE库的建立与应用

Development of Automatic Warning System for Fork and Cu rve Railroads

道岔及弯道自动报警系统的研制

The behavior simulation of masonry RVE subjected to combined pressure and sheer force ;

砌体RVE在单向剪压复合受力情况下的力学性能模拟；

Finite Element Analysis of Masonry RVE Homogenization Procedure

砌体RVE均质过程的有限元分析

The calculation of equivalent elastic modules and Poisson 's ratio of masonry RVE ;

RVE的等效弹性模量和泊松比的求取；

Mechanical strength prediction of plain woven fabric composite : 1.finite element model of composite RVE

基于有限单元法的平纹织物复合材料强度预测：1.RVE的有限元模型

Representative volume element ( RVE ) is an effective method for analyzing composites with characters of multi-scale and random distribution .

代表性体积元法是研究复合材料这类具有多尺度、离散分布多相体的有效手段。

A concept of representative volume element ( RVE ) is proposed and the analysis of its characteristics and failure modes is conducted .

提出了等效体积单元（RVE）的概念；详细分析了等效体积单元（RVE）的力学特性、破坏与失效模式；

RVE is calculated with the finite element method and the Mohr-Coulomb damage rules are employed to analyse the calculation result .

本文还对体胞单元进行了有限元计算，并应用莫尔&库仑破碎准则对计算结果进行分析。

In this paper , RVE ( representative volume element ) of the composites is presented according to the hypothesis of periodicity in composite microstructure .

根据复合材料细观结构周期性假设，隔离出复合材料的代表性体积元&RVE（representativevolumeelement）。

The paper studies : First , analog stone block and mortar to Representative Volume Element ( RVE ) which composed of equivalence bricking-up .

首先，将石砌块和砂浆模拟成以等效砌体组成的等效体积单元（representativevolumeelement，简称RVE）。

Tested results agree well with analytical ones of homogenization , which proved the feasibility of RVE model to calculate structure of plasterboard filled with concrete .

测试结果与均质化的计算结果比较吻合，表明RVE模型用于计算灌芯混凝土石膏板结构的可行性。

This paper studies the micro-geometrical structure of knitted fabric using the Micro-cell or RVE analysis method , and established the micro-geometrical models including G.

对针织物细观几何结构进行了研究，基本上采用了基于Micro-cell或RVE的分析方法，并建立了细观几何模型，包括：G。

Therefore , analyzing the cause of the stagnation of the RVE form the four points of view can provide the important reference for the reform of the RVE .

因此，从农民、学校、社会、政府四维视角分析当前农村职业教育萎缩的根源，对农村职业教育的改革必将有重要的参考价值。

The experimental results show that the RVE mechanical model can reasonably predict the effective elastic constants of 3-D braided composite materials and the results show close agreement with theoretical predictions .

运用所建立的代表性体积单元（RVE）模型对整体编织复合材料（四向）的平均刚度进行了预测。预测出的三维编织复合材料的有效弹性性能结果和实验结果吻合较好。

Based on the mechanical condition of the initiation of damage , the microscopic stress distribution in particle-filled material is studied by RVE ( representative volume element ) finite element method .

通过三相材料中基体应力分布的分析计算，结合损伤萌生的力学条件，对颗粒填充复合材料的强化效应和增韧效应进行力学分析。

Junk bonds , also known as high-yield debt , have been among the biggest beneficiaries of the Federal Rese rve 's unprecedented moves since the financial crisis .

垃圾债券，又被称作高收益债券，由金融危机后美联储史无前例的量化宽松政策的最大受益人们持有。

This paper presents the manufacture of a standard instrument of swe rve force / angle meter and brake pedal force meter , emphasis on its measurement theory and remarkable characteristic .

本文介绍了一种转盘向力角仪、制动踏板力计标准装置的研制，重点阐述了该标准装置的检测原理和显著特点。

Extract fiber and surrounding interface from representative volume element ( RVE ) of carbon-carbon braided composite as the object of study , called carbon fiber and interface ( CFI ) model .

最后，对碳/碳编织复合材料进行微结构优化，在代表体积单元RVE中提取纤维单丝及其周围界面作为研究对象，称之为碳纤维单丝及界面（CFI）模型。

In representative volume element ( RVE ) of glassy polymer , several craze elements strip are embedded and the crazing model in glassy polymer is simulated with finite element method .

本文在代表体积单元中嵌入能够刻划银纹萌生与生长的银纹单元，运用有限元方法对银纹化过程进行了数值模拟。

Conclusion : ZGT can help to increase serum zinc level and promote recovery of RVE patients with diarrheal indicating that zinc supplement protocol recommended by WHO is suitable for local children .

结论：对轮状病毒肠炎患儿在常规治疗的基础上加用ZGT有助于增加血锌的水平，促进RVE的恢复；WHO推荐的补锌方案适用于本地区RVE患儿。

RVE is a mechanic model through individually considering material characteristics and interaction of stone block and mortar , and calculate RVE 's equivalent Young 's modulus according to simplified mechanic model .

RVE是通过分别考虑石砌块和砂浆的材料特性和相互作用建立起来的力学模型，根据简化的力学模型计算出主拱圈的弹性模量。

Objective : To explore whether zinc gluconate tablets ( ZGT ) can help to increase serum zinc level and promote antidiarrheal for children with rotavirus enteritis ( RVE ) .

目的：观察葡萄糖酸锌片（ZGT）对当地轮状病毒肠炎（RVE）患儿血锌含量及腹泻程度的影响。

The equivalent elastic property of truss materials with periodic microstructure is predicted by the representative volume element ( RVE ) method based on the affine ( Dirichlet-type ) or homogeneous stress ( Neumann-type ) boundary conditions and the homogenization method .

比较了Dirichlet型和Neumann型边界条件下的代表体元法及均匀化方法对具有周期性结构的点阵类桁架材料等效弹性性能的预测结果。

Numerical experiments show that , with increasing the number of unit cell , n , the results got from RVE method under the Dirichlet and Neumann boundary conditions converge towards those the obtained by the homogenization method from the upper and lower sides respectively .

数值结果表明，Dirichlet型和Neumann型边界条件下的代表体元法所得结果随着参与模拟的单胞（微结构的最小周期）个数的增加，分别从上下界逼近均匀化方法的结果。