结构方程

Analysis of tube-in-tube structure of variable cross-section in torsion;2. By assuming the structure to be continuous,the Hamiltonian dual system of coordination analysis is established for tube-in-tube structure s,in which the shears and flexures of the inter and the outer tubes are considered as Timoshenko beams.

在结构连续化假定的基础上，将内筒和外筒视为铁摩辛柯梁，同时考虑内筒和外筒的剪切与弯曲变形，建立了筒中筒结构协同分析的哈密顿对偶体系，导出了相应的状态空间方程，其系统矩阵具有辛矩阵的特性，可用精细积分法求该体系的高精度数值解。

These two models both have the similar feature with classical dynamic OPF. Therefore, the KKT matrics are also block diagonal bordered matrices.

这两种模型都具有与经典动态最优潮流问题相似的结构，因此修正方程的系数矩阵同样具有分块对角带边结构。

The mooring force on buoy is calculated in use of the catenary's theory and B-Spline functions fitting, then the motion equation is solved in time domain.

具体方法是通过悬链线理论和B样条拟合求得浮筒所受的锚链力，然后求解结构的时域运动方程得到结构物的运动响应和锚泊系统的内部应力。

The law about the two stages development and the O-shaped circle distribution of bed-separation and conducting-water and gas fractures has been revealed.

研究了关键层破断块度对&砌体梁&结构下沉曲线形态的影响，并提出了&砌体梁&结构下沉曲线的拟合方程。

Coupling between different planers motion of a cable and between cables and mast having been considered, a practical formula is developed to calculate dynamic tension of cable and dynamic equations of guyed mast expanded order system are derived.

在单索结构振动理论的基础上，用纤绳的前4阶振型拟合其空间振动曲线，综合考虑纤绳在空间的耦合振动和纤绳、杆身的相互影响，得到纤绳动张力实用表达式和整体结构的扩阶振动方程。

The dissertation investigates the multilane-to-uniline problem in order to solve the theory problem and technique problem of feeding high speed palletizer with several production lines. The harmony equation of the problem is established with the method of movement tracing according to the thought of unit accumulation and free bumping of materials from different lines. For the random of unit materials forming, a strategy of key assignment is put forward to avoid the bump of materials from different lines.

为了解决采用多条供料线向高速码垛机供料以充分利用高速码垛机的处理能力的理论问题和技术问题，本文从一般的角度研究了多线合一问题，根据料股缓冲的思想和无供料干涉的原则，利用运动追踪的方法建立了多线合一问题的协调方程，由此建立了结构参数之间的相互制约关系，为结构参数的制定提供了理论依据，在随机供料的情况下，由于各线料股的形成具有随机性，为了避免各线之间的干涉，本文提出了一种钥匙分配策略很好地解决了这一问题。

Aiming at the guided entity model of apiece component, some frame boards of skin, ventro-board and crossbeam is simulated with curve surface, strengthen rib, frame and bars are simulated with curves in this paper, predigesting entity models to geometry models.

在ANSYS中，选取体单元solid45、壳单元shell63、梁单元beam188、质量单元mass21分别对相应的几何模型划分网格，用耦合方程实现23-3航炮所简化的质量元同炮舱结构其它组件的连接，建立了炮舱结构的有限元模型。

The boundary of analytical model and statistical model is clearly divided in this performance model, and evaluation accuracy is improved. Secondly, based on embedded SRAM performance hybrid model, this article adopts bionics algorithm-ant algorithm to optimize hierarchical embedded SRAM structure. This method which adjusts memory system structure improves memory system performance. Finally, considering the factors such as memory cell area, power, delay and reliability, this article establishes static 6-T memory cell area, power, delay and static noise margin equations, analyzes 6-T memory cell device dimension constraints under "read upset" and "write upset", then proposes a method to enhance embedded SRAM performance by optimizing 6-T memory cell size. In order to realize embedded SRAM design and verify proposed optimization methods, this article takes the Garfield202 system chip as the platform, which embeds A720T processor and 20KB Scratch-Pad memory.

首先针对嵌入式SRAM结构，采用多元线性回归方法分析SRAM宏单元性能指标，采用解析方法分析控制电路延时，结合以上这两种方法建立嵌入式SRAM性能混合模型，该模型清晰划分两种建模方法的各自适用范围，提高了模型精度；其次以该混合模型为基础建立存储体性能目标函数，采用仿生优化算法—蚂蚁算法优化嵌入式SRAM结构，使之达到最优设计；最后综合考虑面积、功耗、速度以及可靠性等因素，建立静态6-T存储单元面积、功耗、延时以及静态噪声容限方程，分析了&读破坏&和&写破坏&的晶体管尺寸约束，优化了6-T存储单元尺寸，提高了嵌入式SRAM性能。

In this paper, based on deteriorating resisting force model and load model, the ultimate state equations of RC bridge were established; the code to calculate the time-dependent coefficient of reliability were composed as well.

论文在抗力衰减模型和桥梁荷载模型的基础上，建立了RC桥梁结构极限状态方程，编制了结构随时间变化的可靠指标计算程序。

According to the theory of flexiblity method of structural mechanics and the characteristic of multi-tower cable-stayed structure,the equation of deformation compatibility is established.

根据结构力学柔度法原理，结合多塔斜拉结构的特点，建立变位协调方程，用以计算四塔悬浮体系斜拉输水结构的内力与变位。

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。