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Structure of aero- engine case under the effect of combined axial pressure and end twist;2. The integration of CAD parametric modeling,finite element method,classical strength calculation theory with modern optimal design techniques produces a complete and systematic design procedure for performing parametric optimal design of turbine disk, engine case and turbine shaft.

开发了基于大型有限元分析软件Ansys的燃气涡轮发动机辅助设计系统,该系统将CAD参数建模技术、工程有限元数值计算方法、经典强度计算理论与现代优化设计技术相结合,实现了涡轮盘、机匣和涡轮轴典型零件的参数优化设计的完整设计流程,建立了结构优化设计平台;并通过机匣的结构优化设计实例,验证了燃气涡轮发动机辅助设计系统的有效性。

The design of the dry-dock falling gate"s structure is researched, and integrates the disquisitions and analysis on the dynamic characteristics about dock gate, in order to make the cabin design more visualizing.(2) The emphasis of this paper is the influence of the water hole and gas hole in the tidal cabin and the influence of the drain of the air-operated cabin.(3) In this paper, the building method of the dry-dock falling gate"s parametric model is studied and the dynamic analysis is accomplished in ADAMS, furthermore, the rising-and-falling angle curve is drawn while the dry dock gate is rising and falling.(4) The paper is based on the apprehension of the past theories and researches about air-operated dry-dock falling gate, and is explicated by hydraulic rationales and rising-and-falling mechanical principles. This software is developed by inner programming language in ADAMS and VC. This design could shorten design cycle.

1研究了气控式干船坞卧倒门的结构设计,整合对卧倒门在海水中运动中的动力特性研究,使卧倒门的设计,特别使其舱格设计更具可视化;(2)重点讨论潮汐舱水孔气孔对卧倒门水上运动的影响,空气操作舱充排水对卧倒门运动的影响;(3)研究了气控式干船坞卧倒门仿真模型的参数化方法和过程,并在ADAMS中完成了系统的动力学分析,绘制出了卧倒门在起卧过程中的运动特性曲线;(4)通过对已有的气控式干船坞卧倒门的实验成果和成形理论的解读,在理解其起浮和卧倒机理基础上,应用VC和ADAMS二次开发语言进行设计软件开发,定制了友好的用户化中文人机交互界面,使设计人员可以方便快捷地对卧倒门门进行设计开发,缩短了设计周期。

Basic topics and ideas in the design of experiments: randomization and randomization tests; the validity and analysis of randomized experiments; randomized blocks; Latin and Greco-Latin squares; plot techniques; factorial experiments; the use of confounding and response surface methodology; weighing

实验设计:试验设计的基本思想和论题:随机化和随机化检验;随机试验的效度与分析;随机区组设计;拉丁方和希腊拉丁方;制图技术;析因试验,混杂法和反应曲面法的运用;加权设计,方格设计和不完全区组设计,部分平衡的不完全区组设计

Since the installation of fire safety is not a part of a building structure and the seismic building design code does not include fire water pipings, the design of them in Taiwan does usually not consider the seismic effect. This study first collected and summarized the relevant seismic design codes and fire control standards from U.S., Japan, China and Taiwan to understand the internationally adopted methods for seismic from designs of fire water pipings. This study also gathered engineering cases and photographs of the installation of the shock resistance hangers of fire water pipings in high technology factory buildings. Then, this study presented a proposal for seismic design principles. we hope this can attract attentions from government authorities and the fire safety business sector and to rise concerns of the seismic design of fire safety installation; and therefore set up a clear and practical criterion for the engineers and finally reduce the damage of post earthquake fires.

由於消防安全设备向来都是归属於非结构物,国内一般在进行结构设计时并未将消防管路纳入耐震设计的范畴内,本研究系针对建筑物内消防管路的耐震设计为议题,搜集并整理出美国、日本、大陆及国内等相关建筑和消防规范的执行现况,以了解目前国际上在消防管路方面所采取的耐震设计手法,本研究也同时汇整了目前国内重大科技厂房新建工程在消防撒水管路耐震吊架上,所采用的设计案例和实际装置后照片,祈能藉由此案例唤起国内相关主管单位和消防业界对建筑物内消防安全设备耐震力设计的关注,共同研议订定出明确、实用且可供大家遵循的消防安全设备耐震设计准则,以减低国内在地震后火灾所造成的危害。

Based on the characteristics of parameterized design and key technologies of knowledge based engineering, and specially according to the characteristics of the construction, figure, assembly-parameter of bicycle frame design, the article has achieved repeated using of experiential parameter and knowledge by adopting methods such as automatic reading experiential datasheet, computing parameter by making use of program, manual data-input or modifying and so on. Based on analyzing the characteristics of Rear End design and the associated characteristics with Chain Stay and Seat Stay, different design methods are analyzed in detail, and rapidly assembling of Rear End, Chain Stay and Seat Stay is achieved by using the method of combining top-down-assembly with down-top-assembly method. Based on analyzing special technologies and UDF characteristics, the repeated using of different sectional shapes by using UDF technology on the tube section design is also achieved, and this will greatly shorten the time spent on fixing the dimensions and orientations on sketches.

在探讨了参数化设计技术特点和知识工程关键技术的基础上,针对自行车车架设计中的结构、形状、装配参数特点,分别采用了读入经验数据表、参数程序求解、手工录入或修改方法实现车架设计经验参数和知识的重复利用;在分析自行车后叉片设计特点及与平、立叉的关联特性的基础上,对不同的设计方案进行了详细分析,并采用自顶向下和自底向上相结合的方法,实现了后叉片的快速装配定位与平、立叉设计相关联;在分析了特征技术和UDF特点的基础上,将UDF用于管件截面的设计上,使各种截面形状能不断重复利用,大大节省了约束草图尺寸和位置的时间。

The actual content includes: Ventilates the way the choice, the gross structure plan determination, the axis design and the examination computation, impeller's design examines and examines the computation, guide vane's design calculation, sparse class cover, diffuser and current collector design and choice, shell's design, ventilator muffler design, electrical machinery's choice and fixed way design, components and so on shaft coupling, key and flange shaping examinations.

具体内容包括:通风方式的选择,总体结构方案的确定,轴的设计和校核计算,叶轮的设计和校核计算,导叶的设计计算,疏流罩、扩散器和集流器的设计和选择,壳体的设计,通风机消声装置的设计,电机的选择和固定方式的设计,联轴器、键和法兰等零件的选型校核。

I Factory Main products are: product design page color printing, printing propaganda color page design, printing brochures design, product design catalog printing, poster printing, color printing stickers, Shouwan Dai design printing, paper bags printing, packaging bags Printing, packaging printing production, printing food bags, gift bags printing, gift box printing production, calendars printed, hand-mounted boxes of printing production, production of food packaging cartons printing, color printing stickers, Shouwan Dai, the production of printed paper bags , The production of printed paper shopping bags, packaging bags of printing production, printing production design desk calendar, cosmetics boxes of printing, production of printed hardcover box.

我厂主营产品有:产品彩页设计印刷、宣传彩页设计印刷、说明书设计印刷、产品目录设计印刷、海报设计印刷、彩色不干胶印刷、手挽袋设计印刷、纸手袋印刷、包装袋印刷、包装盒印刷制作、食品袋印刷、礼品袋印刷、礼品盒印刷制作、挂历印刷、手工裱盒印刷制作、食品包装纸箱印刷制作、彩色不干胶印刷、手挽袋、纸手袋印刷制作、纸购物袋印刷制作、产品包装袋印刷制作、台历设计印刷制作、化妆品盒印刷、精装盒印刷制作。

Three horizontals are the representation layer, the operation layer and data layer.

首先,对软件需求做了深入的分析,通过数据流图和数据字典与用户进行沟通,了解用户对系统的功能要求等;其次,介绍了软件设计的过程,分为三纵三横,三纵即:概念结构设计、逻辑结构设计、物理设计三个阶段,三横即:表现层设计,业务层设计和数据层设计

First, I have made thorough analysis to the software demand, carried on the communication through the Data Flow Diagram and the data dictionary with the users in order to get the system function request of users and so on. The next, I have introduced the process of software design, which is divided into three verticals and three horizontals. Three verticals are the concept structural design, the logical organization design and physical design. Three horizontals are the representation layer, the operation layer and data layer.

首先,对软件需求做了深入的分析,通过数据流图和数据字典与用户进行沟通,了解用户对系统的功能要求等;其次,介绍了软件设计的过程,分为三纵三横,三纵即:概念结构设计、逻辑结构设计、物理设计三个阶段,三横即:表现层设计,业务层设计和数据层设计

The next, I have introduced the process of software design, which is divided into three verticals and three horizontals. Three verticals are the concept structural design, the logical organization design and physical design. Three horizontals are the representation layer, the operation layer and data layer.

首先,对软件需求做了深入的分析,通过数据流图和数据字典与用户进行沟通,了解用户对系统的功能要求等;其次,介绍了软件设计的过程,分为三纵三横,三纵即:概念结构设计、逻辑结构设计、物理设计三个阶段,三横即:表现层设计,业务层设计和数据层设计

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推荐网络例句

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。

A single payment file can be uploaded from an ERP system to effect all pan-China RMB payments and overseas payments in all currencies.

付款指令文件可从您的 ERP 系统上传到我们的电子银行系统来只是国内及对海外各种币种付款。