基础板

On the basis of analyze of coupling system, this dissertation adopts the method of computer simulation.

本文在分析以上耦合现象的基础上，采用了计算机仿真的方法对板形板厚综合系统的解耦控制问题进行了研究。

An approximate formula of the deflection of a local damaged plate is given and can be realized to identify the damaged amount and locality. As an example, the damaged quadrangular plate with quadrilateral simple hinged restrain is analyzed and is given an analogous formula of its deflection.

另外，用有限元结构分析软件对含损伤的四边简支板进行计算的基础上，提出了一种带损伤板的位移等效模型，可以将对损伤位置及损伤程度的物性识别问题转变成对载荷大小及作用位置的构造识别问题进行处理，从而降低识别问题的非线性程度，提高识别能力，简化识别计算。

This paper used anhydrite associated with ferruginous mineral from Cheng Chao iron ore as primary raw material to develop successfully a new type of light wall material under the action of G N M J four compound excitation system and FX compound reinforcing fibre with suitable forming procedure.

本研究以武钢矿业公司程潮铁矿共生的硬石膏为主要原料，在广泛探索的基础上，筛选出G－N－M－J四元复合激发体系，有效地激发了硬石膏的活性，在FX复合纤维的增强作用下，采用合适的成型工艺条件，成功地研制出一种新型的轻质墙体材料—纸面硬石膏板，对试制样品的测试结果表明，各项性能达到或接近以半水石膏为主要原料的纸面石膏板的国家标准，为综合利用程潮铁矿的矿物资源开辟了新的途径，对硬石膏在新型建筑材料领域中的开发应用，更有着开拓性的意义。

New multi—objectives function (including mill stand longitudinal stiffness, distribution coefficient of loaded pressure between rolls, weight of mill stand, rolling power, rolls loaded gap profile changeability of bending force, transverse mill stand stiffness of bending force, transverse mill stand stiffness of rolling load) multi—constraints (including rolls strength, spindle strength, backup roll bearing load, minimum rollable gauge, roll surface temperature rise) rolls system parameters optimization model of four—high cold strip mill is established, and programme for mill structural illustration creation on the platform of AutoCad designs is compiled. With this as basis, rolls system parameters of Yichang thin strip corporation's 1219 cold mill are calculated using SUMT (subsequent unconstrained minimization technology).

本文建立了以板形和板凸度控制特性为目标的四辊轧机多目标函数（包括轧机纵向刚度、辊间压力分布系数、轧机重量、功率、弯辊力对轧机辊缝形状改变能力、对弯辊力的横向刚度、对轧制力的横向刚度）、多约束条件（包括轧辊强度、接轴强度、支承辊轴承负荷、最小可轧厚度、轧辊温升等）的辊系参数优化模型，以此模型为基础，利用惩罚函数法计算了益昌薄板公司1219冷轧机辊系参数，编制了AutoCAD平台下的轧机结构示意图自动图形软件。

Based upon the assumptions of small deformation, the unretractility of the beam's axis and the inextensibility of the plate's neutral surface ("the method of geometrical deformation constraint"), we can obtain the geometrically nonlinearized formulae of the beams and plates. Accordingly, the "dynamic stiffening terms"would be naturally cooperated into the dynamic equations of flexible multibody system if combined with the linerization of kinematic parameters at the proper stage.

利用杆类柔性体轴线的不可伸缩性和板类柔性体在中面内的不可伸展性，并结合小变形的假设，从而可获得杆类和板类的几何非线性变形表达式；以此为基础，在适当阶段对运动学参量进行线性化处理，可确保"动力刚化项"在建立柔性多体系统动力学方程过程中自然地形成。

In this paper, based on Maa's theory, the theory of micro perforated panel absorber is summarized, a comparison between the calculated result and the testing result for intermediate and lower frequency standing wave tubes is made.

在微穿孔板消声理论的基础上，根据气动马达消声器的实际需要设计了一种微穿孔板消声器，并通过实验对这种消声器的消声特性和流阻进行了研究。

Some authors proposed that the analyses of transfer cycles of high frequency base level and key surface correlation could be used to correlate isochronal strata.

在前人提出的高频基准面转换旋回分析和关键界面对比分析来确定等时性的基础上，以板中东油田板2油组水下冲积扇沉积为例，就湖盆内事件沉积的特点，提出可以结合洪泛面和事件沉积界面以及异旋回和自旋回来进行高分辨率层序地层的对比研究。

Based on lots of literature and information, this paper has engaged in deep studies and brought forth a new kind of matchboard cement concrete pavement. Firstly, based on the theory of elastic thin slab and elastic subgrade, this paper has discussed the strong points and weaknesses of existed mechanics models of cement concrete pavements. Then, integrating each model's strengths and considering the practical conditions, this paper has put forward reasonable simulating models as well as basic mechanics hypothesis.

本课题在大量文献资料和作者深入研究的基础上，提出了一种新型企口板水泥混凝土路面结构，具体工作如下：(1)根据弹性薄板和弹性地基板基本理论，讨论了现有水泥混凝土力学模型的优缺点，并根据本课题的实际需要，综合各力学模型的长处，得到合理的力学仿真模型，并给出其基本假设。

The key parametric effect and optimization of apparatus parameters related directly to the forming, has become an important subject in the research and development of the process.

板带不均匀压下面内弯曲成形装置与成形直接关联的参数的效应和优化问题，是板带不均匀压下面内弯曲成形过程研究与发展中的重要基础问题。

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。

Plunder melds and run with this jewel!

掠夺melds和运行与此宝石！

My dream is to be a crazy growing tree and extend at the edge between the city and the forest.

此刻，也许正是在通往天国的路上，我体验着这白色的晕旋。