Research and Development of Railway Alignment Design System Using FreeCAD Software

This paper explores the functional modules of railway alignment design in the open source FreeCAD software, and makes a foundation development for other railway majors in the open source software. The interactive interface is designed by pyside. The geometric elements of the railway alignment, the c...

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Bibliographic Details
Published in:IOP conference series. Earth and environmental science 2021-04, Vol.719 (3), p.32009
Main Authors: Wang, Huansong, Lu, Wenlong, Shi, Ruichang, Yu, Shengli, Wu, Fadong
Format: Article
Language:English
Subjects:
Alignment
Computer programs
Design
Modules
Open source software
R&D
Railroads
Railway construction
Research & development
Software
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Summary:This paper explores the functional modules of railway alignment design in the open source FreeCAD software, and makes a foundation development for other railway majors in the open source software. The interactive interface is designed by pyside. The geometric elements of the railway alignment, the coordinates of the main point (ZH, HY, YH, HZ, QZ) and the elevation of end or start point in vertical curve are calculated according to the intersection data, so as to realize the design of the horizontal and vertical section for the alignment. OCC interface is accessed through part module to realize the synthesis of railway baseline. Comparing the baseline generated by FreeCAD with the pile-by-pile coordinates of a project bid section, the coordinate error is less than millimeters, which can well meet the needs of railway construction.
ISSN:1755-1307
1755-1315
DOI:10.1088/1755-1315/719/3/032009