面向对象工程规范计算软件的架构与实现
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摘要
为了找出关键节点的计算方法,实现节点的快速计算,以单双角钢变换节点为算例,建立相应的力学模型;通过理论推导,得到水平连接板厚的计算方法及节点载荷的传递系数。利用Visual Basic.Net编程语言将理论推导得到的计算方法编写成计算程序,完成单双角钢变换节点的快速计算;并通过APDL语言建立节点的有限元模型,结合Visual Basic.Net形成有限元接口程序,实现节点的快速校核。参照单双角钢变换节点计算校核程序的编制思路,提出一种铁塔关键节点计算校核程序的实现方法,形成了铁塔关键节点计算分析软件。计算结果表明:节点的计算效率提高了90%。
Key conversion joints of single-angle and dual-angle steel was cited as an example,in order to find the computational method of key nodes and realize its fast calculation,its corresponding mechanical model was established; The calculation method of horizontal connection plate and transfer coefficient of load were obtained,through theoretical derivation. Calculation program on computational method of theoretical derivation,which was compiled based on Visual Basic. Net programming language,accomplishing the fast calculation of key conversion joints of single-angle and dual-angle steel; finite element model of nodes was built based on APDL language combined with Visual Basic.Net,the finite element interface program was developed,realizing the quick check of nodes.A method for calculating and checking the critical nodes of iron tower is proposed,referring to the thinking of check calculation program of key conversion joints of single-angle and dual-angle steel,the calculation and analysis software for key nodes of the iron tower is developed.The results showed that computational efficiency of the node is increased by 90%.
Key conversion joints of single-angle and dual-angle steel was cited as an example,in order to find the computational method of key nodes and realize its fast calculation,its corresponding mechanical model was established; The calculation method of horizontal connection plate and transfer coefficient of load were obtained,through theoretical derivation. Calculation program on computational method of theoretical derivation,which was compiled based on Visual Basic. Net programming language,accomplishing the fast calculation of key conversion joints of single-angle and dual-angle steel; finite element model of nodes was built based on APDL language combined with Visual Basic.Net,the finite element interface program was developed,realizing the quick check of nodes.A method for calculating and checking the critical nodes of iron tower is proposed,referring to the thinking of check calculation program of key conversion joints of single-angle and dual-angle steel,the calculation and analysis software for key nodes of the iron tower is developed.The results showed that computational efficiency of the node is increased by 90%.
引文
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[10] SAAD R,EYHERAMENDY D,ZHANG L.An object-oriented symbolic approach to the automated derivation of finite element contributions[J].Advancesin engineerin software,2016,94(4):1-13.
[11]张良,何也熙.Matlab与VB.NET混合编程中数据存储方式的研究[J].计算机工程与设计,2009,30(8):2008-2010.
[2]陈旭阳.特高压输电铁塔单双角钢变换关键节点承载能力研究[D].南昌:南昌大学,2016:15-20.
[3]能源行业电网设计标准化技术委员会.架空送电线路杆塔结构设计技术规定:DL/T 5154—2012[S].北京:中国电力出版社,2013.
[4]李正良,刘红军.输电塔钢管-插板连接节点板承载力研究[J].土木工程学报,2014,44(S1):52-58.
[5]周淑敏,陈平,周天旭.基于VB.NET和ANSYS的锁环式快开盲板结构参数化设计软件[J].化工机械,2016,43(1):47-50,58.
[6]张驰,周瑞平,徐逸然.基于VB.NET的船舶推进轴系扭振计算软件开发研究[J].造船技术,2013(1):42-47.
[7]冯珊,田园.用面向对象编程实现问题求解自动化[J].信息与控制,1995(4):199-207.
[8]纪纯维,魏朋三.一种面向对象的参数建模方法及其实现[J].北京科技大学学报,1994(S3):59-63.
[9] ZHANG W S,HUANG Q F,SHEN M M,et al. Classbased garbage collection in object-oriented programming environments[J].Tsinghua science and technology,2003,8(6):658-666.
[10] SAAD R,EYHERAMENDY D,ZHANG L.An object-oriented symbolic approach to the automated derivation of finite element contributions[J].Advancesin engineerin software,2016,94(4):1-13.
[11]张良,何也熙.Matlab与VB.NET混合编程中数据存储方式的研究[J].计算机工程与设计,2009,30(8):2008-2010.