Three Dimensional Numerical Simulation Study on Lining Pressure of High-Speed Railway Tunnel

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Abstract:

The aerodynamic numerical simulation model of high-speed railway tunnel was established based on the analyzing of the aerodynamic effect characteristics of high-speed railway tunnel. FLUENT three dimensional compressible flows SIMPLE algorithm was adopted, the three dimensional aerodynamic effect of high-speed railway tunnel was simulated on the condition that the high-speed train was in motion. The pressure changes law in the tunnel was obtained during the whole process when high-speed train traveling, and the pressure-time curve in the tunnel middle cross-section was plotted. It laid a foundation for the further development of tunnel lining dynamics analysis.

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Periodical:

Advanced Materials Research (Volumes 243-249)

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3670-3675

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Online since:

May 2011

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© 2011 Trans Tech Publications Ltd. All Rights Reserved

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