CAJ | 학술논문

针对目前结构设计软件在自由曲面网格结构建模中的风荷载输入与构件截面角度调整中遇到的问题，基于自主研发的通用钢结构设计软件USSCAD ，利用C＋＋语言与ObjectARX技术创建了一种辅助面类，并详述了该辅助面类的属性以及辅助面的生成技术与应用原理。最后以某空间网格结构发电厂冷却塔为例，利用辅助面调整其构件截面角度，并将风荷载转换成等效节点荷载。结果表明，利用该辅助面可有效地进行构件截面角度调整与风荷载转换等效节点荷载，明显提高结构设计效率。
침대목전결구설계연건재자유곡면망격결구건모중적풍하재수입여구건절면각도조정중우도적문제，기우자주연발적통용강결구설계연건USSCAD ，이용C＋＋어언여ObjectARX기술창건료일충보조면류，병상술료해보조면류적속성이급보조면적생성기술여응용원리。최후이모공간망격결구발전엄냉각탑위례，이용보조면조정기구건절면각도，병장풍하재전환성등효절점하재。결과표명，이용해보조면가유효지진행구건절면각도조정여풍하재전환등효절점하재，명현제고결구설계효솔。
Based on the problems of inputting wind load and adjusting beam section orientation w hile modeling lattice shell of free form surface by means of structure design software ,an assistant face class was created by C+ + and ObjectARX .The generating technique and application principle of the assistant face were detailedly specified .The assistant face was also applied to CAD modeling of a cool‐ing tower ,correctly inputted wind load and adjusted beam section orientation .It can be concluded that the assistant face can evidently improve the efficiency of structural design .