查询词典 deforming

In this paper, the dynamic compressing experiments for the matrix material of the tungsten alloys which have been three different deforming(0%、 32.6%、 44.6%) processed have been performed by the experimental technology of separated Hopkinson pressure bar and many accurate datum have been obtained. Also the three materials have been compared with each other and analyzed. The results show that the optimized values are in a certain range to optimize the materials by changing their deforming technology. The parameters of constitutive model of Johnson-Cook have been fitted based on the datum. Then proceed to the next step, adiabatic shear band of these three matrix materials has been analyzed with finite element method. The result shows that the relations between stress and strain are different because of the differences of technical process of the three materials, but they are in great commonness in the material experiment and in great coherence in the distribution of time and space, which can been seen from the space distributing figures of plastic strain.

利用分离式Hopkinson压杆实验技术对三种不同变形量(0%、32.6%、44.6%)钨合金基体材料进行动态压缩实验，取得大量精确的数据，对比分析三种材料，结果表明通过改变变形量对材料进行优化，其变形量的优化值是有一定范围的；本论文拟合、确定了钨合金基体材料Johnson-Cook本构模型参数并对三种基体材料绝热剪切带进行有限元分析，结果表明三种材料由于工艺流程的不同，应力应变关系也不尽相同，但从塑性应变的空间分布图上体现了材料很大的共性和时间以及空间分布的一致性。

According to the viewpoint that the thinnest part of the deforming metal is usually the important and decisive part of the deforming force , the influence of the bridge size of the fash slot on the die forming and the deforming force is analyzed.

通过坯料在模锻型腔中的压挤成形过程，模拟开式模锻中飞边槽对金属充满型腔的作用，根据"变形金属最薄的部分常常是决定变形力的重要部分"这一观点，分析和探讨飞边槽桥部尺寸对模锻成形及变形力的影响，提出对高度较小、直径较大的齿轮以及复杂模锻件设计方法的改进，以提高该类锻件的模具寿命和生产率。

Firstly, this paper introduce the present and prospective development, moreover compared advantage and short of different roll forming theory. Subsequently simplified process and analyzable model of channel section according to deforming elastic-plastic macro deforming finite element theory.

本文首先介绍了国内外关于辊式冷弯成型理论研究的现状与发展趋势，并比较了各成型理论的优缺点，随后在分析槽钢辊弯成型特点及其变形规律的基础上，以弹塑性大变形有限元理论为基础，对槽钢成型过程做出合理简化，建立分析模型，利用MARC软件对槽钢辊弯成型进行了三维有限元数值模拟分析。

The formula was established about calculating design parameters and technological parameters of ideal strip and bent strip in the period of forming. The thesis presented how to calculate the deformed area length and contact are radius of contact deforming between two elastic bodies on condition of the friction. The calculating formula of pinch force about plate-strip pinch mill was given and the results were analyzed that friction coefficient and radius of pinch rolls are very important for determining pinch force. Moreover, the rule of deforming and stress distribution of different 〓 ratio were gained on condition that the deforming was considered to be non-uniform distribution in the gap. The differential equations were got that calculate the displacements of large deflection of elastic cantilever rectangle plate with fixed end and the formula of the Finite Strip Method was conducted to study the regularity of mid-plane displacements, deformation and stresses for elastic-plastic large deflection bend of cantilever parallelogram plate with fixed or slidable end by integrating Prandtl-Reuss equation.

建立了一套完整的设计参数计算公式和在成型过程中理想带钢或具有月牙弯带钢的工艺参数的调整公式；在考虑摩擦力的条件下，对两弹性体接触变形过程中的接触变形区长度和接触弧半径用位移解法进行了研究，推导了板带递送机的递送力计算公式，从而得知在递送机设计过程中，应选择适当摩擦系数和辊身直径；另外，还从辊缝内带钢实际变形出发，分析了对于不同的〓值，带钢的变形规律及应力分布状况；建立了固定端悬臂矩形板弹性大挠度弯曲变形的控制方程，并且在对Prandtl-Reuss方程的积分处理的基础上，导出了固定端和滑动端悬臂平行四边形薄板的弹塑性大挠度的中面伸展位移、变形和应力的有限条元法公式，编写了Fortran语言计算程序，在各种参数条件下，对螺旋焊管成型过程变形规律进行了全面的分析研究，从而为螺旋焊管的生产和进一步的改进提供了理论依据。

Mesh movement strategy is implemented by the combination of mesh deforming and local remeshing, but just using mesh deforming is sufficient for cases with relative small boundary displacement.

动网格由网格变形与局部重构相结合的方法实现。对于动边界位移较小的情况则单独应用网格变形方法。

The thesis toke problem of deformation and destroying of the earth mass as it's invention, integrated the earth mass's existing environment, ingredients and macrostructure, discovered mechanism of deforming and destroying, made clear the relationships between those.Through outdoors samples, indoors examination surface wave testing and audio wave testing ,do some research on physical, mechanical, chemical, disintegrative and dynamics property of stuff of earth mass and proposed four kinds of earth mass's stuff formed type;under the guidance of theory of dominant structural surface and adopting precision measurement of structural surface, proposed three dominant kinds of structural surface assembling;based on those , proposed four types of earth mass's deformation and destroying, carried out rationed estimation of stability on four types, then definite the characters of deforming and destroying and controlled relation between environment , stuff, macrostructure and deformation and destroying of mass earth, and breakthrough ordinary principle about soil's deformation and destroying, further proofed the theory of earth mass cybernetics's popularization

本学位论文针对台地危险土体的变形破坏问题，将土体的赋存环境、土体物质组成和土体宏观结构的研究紧密地结合，阐明了土体变形破坏的机制，明晰了土体变形破坏与土体的赋存环境、土体材料组成、土体宏观结构三要素之间的关系，并从土体的物质组成的角度，以野外取样、室内实验、现场面波、声波无损伤测试为手段，研究了土体物质的物理、力学、化学、矿物、崩解性、动力学性质，提出了研究区内土体物质成分的四种组合形式；以优势结构面理论为指导，以结构面的精确测绘为手段，通过统计、归纳与分析，提出三种有利于台地危险土体变形破坏的优势组合形式；据此提出了具有广泛代表意义的台地危险土体变形破坏的四种模式，并对其进行稳定性评价，从而明确了危险土体的宏观结构对变形破坏的控制作用，映证了土体结构控制论。

Aiming at slope types, features, deformation traits and destroy mechanism of high steep valley slope at Jinping Ⅰ Hydropower Station, and applying monitoring results, a comprehensive prediction design is suggested. In the space, according to the occurrences of unfavorable geological phenomena such as faults F5, f(subscript 42-9) deep fracture SL(subscript 44-1) and lamprophyre vein X, all of them can be treated as the boundary conditions for slides, potential instable blocks of slope on the left abutment are estimated which take on a wedge-shaped sliding model. In the sametime, through using three kinds of joint prediction methods such as statistic models and nonlinear models, judging from the shape of curves of deformation-time and their deformation velocities, it is found that the slope is at the state of slowly creeping to uniform deforming with a deforming velocity of 0.05 mm/d.

针对锦屏一级水电站左岸高边坡的边坡类型、边坡特征、变形特点和变形机制，在监测成果的基础上，对其进行综合预报，空间上判断左岸拱肩边坡由断层F5，f(下标 42-9)、深部裂缝SL(下标 44-1)及煌斑岩脉X互相组合，形成可能边坡失稳块体的边界条件、楔型体滑移失稳模式：时间上采用统计模型及非线性模型多种方法联合预报，根据边坡变形时序曲线的形态及变形速率指出：边坡目前处在缓慢蠕动至匀速变形阶段，变形速率小于0.05mm/d。

In model element method to obtain model elements of a deforming body is to determine the feature stages in time domain of a deforming process and then divide the deforming body in different feature stages into several model elements in spatial domain along with some special physical surfaces such as die parting face, flow diversion face, interface of plastic and nonplastic zone, die cavity working face.

然后对单个模型单元进行定量描述，包括变形过程中每一瞬时的变形力及变形力分布函数，变形过程中每一瞬时的模型单元的形状及尺寸，变形过程中每一瞬时模型单元的变形场，变形过程中每一瞬时模型单元的应力场，变形过程中每一瞬时的变形力分布与变形体几何形状尺寸间的定量对应关系。

In the beginning, at the situation of high blood volume, if the blood glucose sufficient, the erythrocytic function of making ATP by glucose is normal, the free radical and the anti-free radical of the rat basicly keep balanced, erythrocytic deforming ability is not influenced greatly; while the erythrocytic function of making ATP degenerates in sport iron deficient erythrocyte formation and hemolysis, especially the former; and the vitalities of anti-free radical reduce greatly in blood, liver and Erythrocyte, the reducement of liver SOD vitality in the former and erythrocyte SOD vitality in the latter are more obvious, and the total blood SOD amounts reduce identically; The erythrocytic deforming ability reduces greatly too, but there is no obvious difference between the two groups, but the tendency of the inner-mechanism may be different needing to researching deeply later.

而长期递增的大负荷运动造成缺铁性红细胞生成或溶血发生时，红细胞利用葡萄糖制造ATP的功能下降，且前者下降更为明显；抗氧自由基活性均显著降低，HA组肝脏SOD活力和IDA组红细胞SOD活力降低更为明显，而二者血液总SOD降低一致；红细胞变形能力均显著下降，但内在机制的倾向性可能有所不同，建议进一步深入研究机理。

To research on on-line detecting part dimension, author takes the flank wear and cutting time as the factors to modify theoretical thermal deforming and system's forcing deforming, and develops an artificial neural network system for on-line detecting part dimension.

提出了通过刀具磨损量和切削时间利用人工神经网络对理论热变形和受力变形进行修正从而实现实时在线检测零件尺寸，并且建立了基于人工神经网络的零件尺寸实时在线检测系统。

However, as the name（read－only memory）implies, CD disks cannot be written onorchanged in any way.

然而，正如其名字所指出的那样，CD盘不能写，也不能用任何方式改变其内容。

Galvanizes steel pallet is mainly export which suits standard packing of European Union, the North America. galvanizes steel pallet is suitable to heavy rack. Pallet surface can design plate type, corrugated and the gap form, satisfies the different requirements.

镀锌钢托盘多用于出口，替代木托盘，免薰蒸，符合欧盟、北美各国对出口货物包装材料的法令要求；喷涂钢托盘适用于重载上货架之用，托盘表面根据需要制作成平板状、波纹状及间隔形式，满足不同的使用要求。