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基于Open CASCADE的拱桥建模研究

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几何引擎是三维BIM建模软件中的核心组件,对软件的性能、准确性、互操作性和用户体验等方面有着重要影响.商业软件的几何引擎虽然经过了多年的发展和优化具有较好的性能和稳定性,但常受限于软件厂商提供的API接口和商业软件所需要的系统环境,无法对底层数据进行访问或修改,灵活性较差,且不具备完全自主商业版权.基于开源几何引擎的应用在很多领域已有相关的研究成果,但在桥梁工程领域较少,基于开源几何引擎Open CASCADE对桥梁工程领域的模型构建技术进行探索,实现自主可控的桥梁工程三维建模平台,以拱桥为研究对象,结合几何引擎的模型构建技术,实现拱桥模型的创建.探索开源几何引擎在桥梁工程领域的建模实现能力,为实现更多桥型的三维建模以及基于模型更进一步的衍生应用积累经验,并为打造自主可控的桥梁工程建模软件提供参考.
Research on Modeling of Arch Bridge Based on Open CASCADE
The geometry engine is a core component of 3D BIM modeling software,which has a great impact on the performance,accuracy,interoperability and user experience of software.Although the geometry engine of commercial software has good performance and stability after years of development and optimization,it is often limited by the API interface provided by software manufacturers and the system environment required by commercial software.It cannot access or modify the underlying data,which has poor flexibility,and it does not have completely independent commercial copyrights.There have been relevant findings in many fields based on the application of open-source geometry engine,but there are few in the field of bridge engineering.The modeling technology in the field of bridge engineering is explored based on the open-source geometry engine Open CASCADE to realize an autonomous and controllable 3D modeling platform for bridge engineering,which takes the arch bridge as the research object and combines the modeling technology of geometry engine to realize the creation of an arch bridge model.It is committed to exploring the modeling realization capability of open-source geometry engine in the field of bridge engineering,accumulating experience for realizing 3D modeling of more bridge types and further derivative applications based on models,and providing reference for building autonomous and controllable bridge engineering modeling software.

bridge engineeringBIMopen source geometry engineOpen CASCADEarch bridge modelingautonomous and controllable

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中铁大桥勘测设计院集团有限公司桥梁智能与绿色建造全国重点实验室,湖北武汉 430050

桥梁工程 BIM 开源几何引擎 Open CASCADE 拱桥建模 自主可控

国家重点研发计划项目

2023YFC3806800

2024

铁路技术创新
中国铁道科学研究院

铁路技术创新

影响因子:0.409
ISSN:1672-061X
年,卷(期):2024.(2)
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