2 . studied the structure singular value theory in the paper , and also discussed robust stability and robust performance in uncertain block system via structure singular value . as simulation sample applied its to a spacecraft controller , the result show efficiency of ssv algorithm 研究了结构奇异值理论，讨论了存在不确定性块结构系统的鲁棒稳定性和鲁棒性能问题，并以某飞行控制器作为仿真算例说明了结构奇异值方法的优越性。
Moreover , the advantage of this method is obvious and outstanding in computational resolution and efficiency . at the end of this paper the feasibility and possibility to enlarge the range of application of dsmc - ip method to structural grid with curvature geometry are discussed 最后,为了拓宽本文发展的数值计算二维微尺度流动程序的使用范围,使其具备能够模拟不规则复杂形状流场的能力,讨论分析了可对任意几何形状、多块结构化网格进行计算的相关算法。
Synchronization also requires that locks be released in the same stack frame in which they were acquired , which most of the time is the right thing and interacts nicely with exception handling , but a small number of cases exist where non - block - structured locking can be a big win . the lock 同步还要求锁的释放只能在与获得锁所在的堆栈帧相同的堆栈帧中进行，多数情况下，这没问题（而且与异常处理交互得很好） ，但是，确实存在一些非块结构的锁定更合适的情况。
In order to decreasing hydraulic impact , the principle is analyzed to eliminate or increase hydraulic impact by means of changing eccentric lump structure to cut down the inertia force of starting , changing the pressure of pilot electromagnetic relief valve and changing the parameters of accumulator 为了减小液压冲击，本文分析了用改变偏心块结构减小起振惯性力的方式、用改变先导式电磁溢流阀溢流压力方式和改变蓄能器参数方式消除或减小液压冲击的原理。
A new method should be discovered to design the function block . the thesis is based on the rheology and hydrokinetics of the polymer melt , and calculates the velocity in the die by fem simulation , and provides die design with theory proof . according to the existed theory , i summarize and conclude the fem formula of the polymer flow , and then write the program to calculate on the computer 本论文中功能块结构的研究，是以熔体的流变性以及流体动力学理论基础上，对在口模中的熔体进行数值模拟，计算出熔体在口模中的流动参数(主要是速度的分布) ，从而可以科学的对功能块几何结构进行优化。
This mems optical - switch is driven by electrostatic . so after analyzing the force of cantilever beam with a concentrated end loading , this dissertation analyzes the movement of cantilever beam driven by electrostatic force . then get the size of beam and capacitor plate and analyze their modes using ansys software 本光开关使用静电作为微镜驱动的方式，所以本论文在对微机械中悬臂梁加质量块结构进行力学推导后，分析了在静电驱动下悬臂梁和质量块的运动规律，找出了一组光开关执行结构的参数，并用ansys软件对其进行了分析。
Firstly , the connected end sets of the relay lines are got using the breadth first search algorithm and the connected relationship of wiring terms is got in the electrical circuit diagram according to different cad block structure of different element type . secondly , the appropriate specification of the relay element is chosen by using the equinoctial graph algorithm , and the panel layout diagram is generated automatically by the combining automatic layout and manual intervention . finally , the optimized path algorithm which passes each vertex in the completed non - directional graph once and only once is put forward , this algorithm and the prim minimum spanning tree algrotithm can generate the inner panel wiring diagram and terminal wiring diagram automatically 首先,采用广度优先搜索算法查找电气原理图中的连通导线端点集,并根据不同类型的继电元件对应的cad图块结构的不同,得到电气原理图中元件接线端子之间的连接关系;其次,根据二分图匹配算法为电气原理图中继电元件选择合适的型号和规格,并采用人工干预和自动布置相结合的方法完成屏面布置图的自动生成;最后,提出了完全无向图中经过每个顶点一次且仅一次的优化路径算法,利用该算法和经过预处理的prim最小生成树算法自动生成屏内安装接线图和端子接线图。
The stress condition ; overall stability ; effect of filling gravels into the hole of the block of the precast concrete interlocking blocks in the water flow during the flood period as well as the resistance parameters of the blocks are studied through experimental simulation ; in which a comprehensive analysis is made on the mechanical stability and the anti - erosion properties of the blocks , and then the requirement and the safety degree of the gravel filling are given 摘要通过试验模拟研究了预制混凝土连锁块在洪水期水流中的受力状况、整体稳定性、孔内填充碎石的作用及连锁块阻力参数，综合分析了连锁块结构的力学稳定性和抗冲性，给出了碎石填充的要求及安全度。
In terms of the innovative idea of “ fully wrapped joining ” and the status in quo of recent research on the joining techniques of ceramics and metals , an inverse - wedge - shaped ceramic insert was designed with such strong points as saving material , low cost , reliable joint and easy to manufacture , and some experiential data about it were provided accordingly 根据“全包容”的创新思想和陶瓷与金属的连接技术研究现状,详细设计了用材少、成本低、联接可靠、容易制造的倒楔角陶瓷镶块结构,并提供了相应的经验数据。
The section shape of function block structure is usually very complex , and it has no universal formula to calculate and design till now . when making new die , we always design it by experience , and this may bring some inaccuracy . so , it is difficult to improve the quality of the die if only depending on experience 功能块结构的截面形状一般较为复杂，对它还没有形成一个可以通用的数学模型来计算，设计时常根据具体情况，借助以往的设计经验进行设计，而这也往往形成了挤出模设计的缺陷，造成了较大的修模量。
