Now space grid structure is becoming a popular construction , and it is very important in theory and practicality to workout the cad software that is used for space grid structure 空间网格结构的建设在国内外方兴未艾，开展对于这种结构的研究，并研制出可供设计的cad软件系统具有一定的理论意义和重要的实用价值。
With the analysis of the characteristic of high density of nodes deployed in wireless sensor network , a new routing algorithm was proposed based on combination of grid structure and trajectory - based forwarding algorithm 摘要针对传感器网络节点稠密布置的特点，提出一种将网格结构和基于轨迹的转发方式相结合的路由算法。
Resources and application programs are diverse among different administrative domain at various locations , which belong to different organizations and also different in deploy and security strategies in grid computing environment , 首先介绍了目前比较成熟的网格基础知识、网格结构框架和一些网格技术,阐明研究网格的实际意义。
The thesis provides some samples to prove the sgscad , and studies the behavior of space grid structure under static . moreover , the thesis puts forward the issues in practice calculating through results that have been calculated 通过实际结构计算，验证了程序的正确性，并分析研究了空间网格结构的静力特性，提出了在实际计算中需注意的一些问题。
On this basis , from the core technology of java programming , java grid programming model is put forwarded by the author . gpmj supports two models , distributing tasks over the grid and distributing threads over the grid 在此基础上,从java编程的核心技术线程入手,提出了java网格编程模型,它使网格结构的接口细节抽象化,为网格客户的网格应用程序的开发更加简单、便捷。
Space grid structure is greatly developed in our country in the past two decades because of its reasonable stress , big coverage area , rich shape and so on , which makes it be more and more welcome and attractive . the structure has a fine prospect 近二十多年来空间网格结构在我国得到了很大的发展,因其受力合理、覆盖面积大和造型丰富而备受欢迎,是一种有广阔发展前景的结构形式。
As a kind of complex higher - order hyperstatic structure , space grid structures was ever considered as a most safe structure when it is applied widely , once a stick of member quit working , other member would help it to endure external force 空间网格结构作为一种复杂的高次超静定结构，在其广泛应用的同时，人们曾认为它是最为安全的结构，一旦一根杆件退出了工作，会由其它杆件帮助其承受外力。
In light of object - oriented idea , this paper details the pre - process part and the post - process part of space - grid structure cad program , and how to deal with mixed - language programming in windows environment with visual c + + and visual fortran 引用现代面向对象的设计理念，本文详尽地研究了空间网格结构计算机辅助设计的前后处理问题，及windows环境下用visualc + +和visualfortran进行混合程序设计的方法。
By the means of lanczos in dynamics analysis of large space grid structure , the thesis workouts inherent frequency and models . this method can solve eigenvalue more fast than that of means called subspace iteration , and can reduce the possibility of losing eigenvalue 通过研究lanczos方法在大型结构动力分析中的应用途径，在程序中采用了该方法来求解空间网格结构的自振频率和振型，使sgscad在计算结构自振频率时速度更快，并减少了漏频现象。
According to pkpm ' s general request , we have done primary development of the pre - process part and the post - process part of space - grid structure cad program in cfg graphic supporting system with object - oriented program language c + + . we have completed twenty - four kinds of modeling of normal space - grid structure and partial work of post - process part . finally , credibility of the system is verified by calculating examples 依照pkpm的总体布局要求，采用面向对象的程序设计语言c + + ，在cfg图形平台上进行了空间网格结构计算机辅助设计前、后处理的初步开发，完成了二十四种标准网架、网壳的前处理建模及一部分后处理工作，并选用例题对程序进行了验证，表明程序能提供方便实用的前、后处理功能，结构计算分析结果是准确可靠的。
