Digital Modeling of Aeroelastic Interaction of a Rolling Stock with Portal Buildings of Passover Tunnels-Reference-Cited by-同舟云学术

Digital Modeling of Aeroelastic Interaction of a Rolling Stock with Portal Buildings of Passover Tunnels

Published:2022-06-23 Issue:2 Volume: Page:104-123
ISSN:2223-9987
Container-title:Bulletin of scientific research results
language:en
Short-container-title:

Author:

Vataev Andrey¹,Vatulin Yan²,Vorob'ev Aleksandr²,Sotnikov Kirill¹

Affiliation:

1. Emperor Alexander I St. Petersburg State Transport University

2. Emperor Alexander I Petersburg State Transport University

Abstract

Purpose: Development of mathematical models allowing to investigate the processes of aeroelastic interaction of a rolling stock with portal buildings of passover tunnels in dynamic and quasi-stationary setting with the use of deformable mobile nets and FrozenRotor methods. Methods: we present mathematical models and ways of their realization in two- and three-dimensional setting in program complexes Comsol Multiphysics and Solid Works Flow Simulation on the basis of numerical solution of Reynolds averaged NavierStoks Method (RANS) method equations. Results: The results of numerical research of velocity and pressure fields nearby tunnel portal zone, obtained with the help of developed mathematical models for the case of rolling stock entrance into a tunnel, ‘re given. Practical importance: It’s revealed that at train entrance into a tunnel, air mass runaway by a rolling stock is made with significant delay owing to effect of viscous friction force between an air and tunnel walls as well as inside air volume which fills a tunnel.

Publisher

Petersburg State Transport University

Subject

General Medicine

Reference16 articles.

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