2024, 16(2): 24-28. doi: 10.16670/j.cnki.cn11-5823/tu.2024.02.04
带双曲变截面梁的异形钢结构屋盖参数化建模方法研究
广州市设计院集团有限公司,广东 510620 |
Research on Parametric Modeling Method of Special-shaped Steel Structure Roof with Hyperbolic Variable Section Beam
Guangzhou Design Institute Group CO., Ltd., Guangdong 510620, China |
引用本文: 梁勇, 沈杰, 彭少棠, 李昶, 吴民泽, 黄铃. 带双曲变截面梁的异形钢结构屋盖参数化建模方法研究[J]. 土木建筑工程信息技术, 2024, 16(2): 24-28. doi: 10.16670/j.cnki.cn11-5823/tu.2024.02.04
Citation: Yong Liang, Jie Shen, Shaotang Peng, Chang Li, Minze Wu, Ling Huang. Research on Parametric Modeling Method of Special-shaped Steel Structure Roof with Hyperbolic Variable Section Beam[J]. Journal of Information Technologyin Civil Engineering and Architecture, 2024, 16(2): 24-28. doi: 10.16670/j.cnki.cn11-5823/tu.2024.02.04
摘要:本文以某项目带双曲变截面梁的异形钢结构屋盖为例,分别阐述了Revit软件和Grasshopper插件创建双曲变截面梁的建模机理,并借助工程案例,验证了Grasshopper程序进行快速建模的可行性。结果表明,通过Grasshopper程序拾取三维线型模型进行分段,并以输入角点坐标的形式创建2种截面形状尺寸后,将梁截面曲线分别垂直放置于分段后的3组线段上,利用放样命令和布尔差集命令能够快速、批量地生成异形钢结构屋盖模型,大幅提升建模效率,节约了大量的模型修改时间,具备较高的实用性。
Abstract: Take a case of the special-shaped steel structure roof with hyperbolic variable section beam as an example, this paper expounds the modeling mechanism of Revit and Grasshopper plug-ins to create hyperbolic variable section beam respectively, which verifies the feasibility of rapid modeling of Grasshopper program. After picking up three-dimensional linear model for segmentation and inputting corner coordinates to create two sections with different shape and size, the beam sections curves respectively are placed vertically on the segment after three groups of line segment. The results show that the lofting command and Boolean difference command can be used to quickly generate a batch of special-shaped steel structure roof models, which greatly improves the modeling efficiency by saving model modification time with high practicability.
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