Modeling of Complex Highspeed Railway Tunnel Portal Structure Based on CATIA

doi:10.3973/j.issn.1672-741X.2015.06.008

Tunnel Construction ›› 2015, Vol. 35 ›› Issue (6): 542-546.DOI: 10.3973/j.issn.1672-741X.2015.06.008

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Modeling of Complex Highspeed Railway Tunnel Portal Structure Based on CATIA

KANG Weilin, ZHOU Chaohui, XU Jianlin

(School of Mechatronic Engineering, Lanzhou Jiaotong University, Lanzhou 730070, Gansu, China)

Received:2015-02-10 Revised:2015-04-18 Online:2015-06-20 Published:2015-06-25

Abstract

Abstract:

Complex portal structure has to be adopted for tunnels on highspeed railways so as to minimize the aerodynamic effect induced by the highspeed trains. In this paper, 3D modeling method is established for the complex tunnel portal structure of highspeed railways by using the “Sketch Tracer” function of CATIA and on basis of 2D CAD method. The method mentioned is easy to be conducted, and the 3D model established can meet the requirements of the design parameters. The method has great significance for the 3D model show and Computational Fluid Dynamics (CFD) works.

Key words: tunnel portal, 3D modeling, CATIA, CFD

CLC Number:

U 45

KANG Weilin, ZHOU Chaohui, XU Jianlin. Modeling of Complex Highspeed Railway Tunnel Portal Structure Based on CATIA[J]. Tunnel Construction, 2015, 35(6): 542-546.

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Modeling of Complex Highspeed Railway Tunnel Portal Structure Based on CATIA

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