计算

We use HOOPE to develop a parallel application of 2D pre-stack depth migration, and the analysis of parallel speed-up is satisfactory. HOOPE-Grid prototype consists of parallel workflow, mobile agent traveling plan generation, complex task coordination.

HOOPE-Grid原型包含并行工作流制作、移动Agent旅行计划生成、复杂任务的协同计算和通讯等功能，目前已利用此原型对油气勘探领域叠前深度偏移成像计算的多种分布式模型进行了初步试用，试用结果证明HOOPE-Grid原型较全面地考虑了大型科学计算中计算资源和数据资源的分布模式，具有一定的实用和参考价值。

Tower body, shell cover and skirt wall thickness computation and examination: And tower body intensity and stable examination including wind loads analysis, earthquake loading computation

塔体、封头与裙座壁厚的计算与校核：其中塔体强度与稳定性校核包括风载荷计算、地震载荷计算、轴向组合应力计算、筒体校核、裙座强度校核及水压试验校核。

The main works are listed as follows:1 Thermal Computi ng model of steam pipe network were built with good match to actual operating dataThe thermal calculation model of steam pipe network was established according to the steam pipe network heat transfer characteristics and the thermal equilibrium principle,. It includes steam temperature drop expression, the expression of per unit length heat loss when steam pipe laying in different ways and total heat transfer coefficient expression.

该模型由管内蒸汽温降方程、不同敷设方式蒸汽管道的单位长度散热损失方程、总传热系数方程等组成，利用散热损失计算公式对钢套钢蒸汽保温管道不同敷设方式、不同管径的散热损失等总传热系数的影响因素进行了分析，计算结果表明三方程联合求解提高了新建蒸汽管网热力计算的准确度，可用于新建蒸汽管网的热力计算。

From combining internal force calculation with design detailing, some calculation simplifications and hypotheses are first presented, then a calculation method and corresponding formulas of internal forces for elliptical spiral stairs are derived.

采取计算与构造相结合的方法，进行必要的计算简化和假定，在椭圆形旋转楼梯的内力计算时，把固定坐标变换成动点坐标，推导相应的计算公式。

For non-intense beams,particle trajectory can be obtained by multiplying linear transport matrices. For nonlinear transport of intense beams,the influence of space-charge effect on beam transport needs to be taken into account,and self-consistent solution should be derived because of the interaction between charged particle distribution and space charge field. In the program,components and currents are divided into equal intervals,respectively,and each interval is treated as a uniform solenoid field.

程序在计算非强流脉冲束流的线性传输时，粒子的轨迹通过矩阵的直接相乘计算得出；程序在计算强流脉冲束流的非线性传输时，需要考虑束流中的空间电荷效应对束流传输的影响，在束流运动过程中，空间电荷场也在不断地变化，而且粒子运动的轨迹与空间电荷势又是相互依赖的，因此需要求得一个自洽的解，先把元件分成若干均等的区间，把电流分成若干等份，后采用束流电流迭代与元件区间迭代的计算方法。

The problem considered in this paper contains absorbing-emitting medium, absorption and emission of radiation not only exist on boundary of the system, but exist in the whole space fulled of medium, variation of temperature, pressure, density, compusure and property with coordinates must be considered in computation, so computation in this paper is based on three dimensional flow field.

本文所计算的问题包含吸收-发射性介质，能量的吸收和发射不仅发生在系统的边界上，而且还发生在充满介质的全部空间，在计算中要考虑介质中各点的温度、压力、浓度、成份以及物性在空间上的变化，因此本文的计算是根据三维流场计算的数据进行的。

According to the post-tensioning method in prestressed concrete members,the calculation method of prestress losses caused by the deformation anchorage device,slip of tendon and joint compression was big in the error and narrow in the scope of application.

针对后张法预应力混凝土构件中由锚具变形、预应力钢束回缩和接缝压缩等引起的预应力损失计算方法适用范围较窄和误差较大的缺点，基于变形协调条件，通过分段近似计算方法，建立了锚具变形、预应力钢束回缩和接缝压缩等引起的预应力损失计算公式，并与实际预应力混凝土T形截面简支梁的计算结果进行了比较。

Detecting failure calculating node; setting the IO node forming link with the failure node as replacing node determined by address obtained by adding one dimension into the failure node, notifying the replacing node to the node nearby the failure node; when one adjacent node has received a packet, routing the packet from the failure node to the replacing node; handling operation determined by the packet arrived in the replacing node in the replacing node; making the replacing node to find out address of calculating node where the packet containing handling result will be transmitted, and transmitting the packet to the calculating node most nearby the detected address connecting to the calculating node within the replacing node.

检测故障计算节点；将与故障节点形成链路的IO节点设置为由通过向故障节点地址添加一维而获得的地址所确定的替换节点，将替换节点通知给与故障节点相邻的节点；当一个相邻节点已经接收到分组时，将寻址到故障节点的分组路由到替换节点；在替换节点中处理由到达替换节点的分组所确定的作业；和使替换节点找出含有作业处理结果的分组应当被发送到的计算节点的地址，并将该分组发送到连接到替换节点的计算节点中地址最接近所发现地址的计算节点。

With the character of CVC roll curve, the strip thickness distribution, rolling pressure distribution and pressure between rolls along transverse direction are calculated, by using the model of the real roll crown distribution and the character of the antisymmetry of mills. The results are in good agreement with production data.

根据CVC轧辊辊形的特点，采用实际轧辊凸度分布模型，并利用轧机的反对称性质，计算轧机垂直中心线一侧的板断面厚度分布、轧制力分布、辊间压力分布等，提高了板形计算和辊间压力计算的精度，模拟计算结果与现场数据相符。

The present thesis construct the boundary model on carburettors which is based on themethod of characteristics. The IEM computer program for computing the wave action and ex-change gas process of the gas oline engine is accomplished by using the method of characteristics.

建立用特征线计算的代油器边界模型，利用非等墒特征线理论编制了可计算汽油机进气管内的压力波动及换气过程的计算机程序IEM，并用该程序对BJ492QA汽油机进行了计算，计算与实测的压力波曲线吻合良好，表明了该化油器边界模型及IEM的合理性。

The split between the two groups can hardly be papered over.

这两个团体间的分歧难以掩饰。

This approach not only encourages a greater number of responses, but minimizes the likelihood of stale groupthink.

这种做法不仅鼓励了更多的反应，而且减少跟风的可能性。