Numerical Simulation of Soil-Pipe-Fluid Interaction in Buried Liquid-Conveying Pipe

Mei Yang; Xiao Liu; Yan Hua Chen

doi:10.4028/www.scientific.net/AMR.743.244

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HomeAdvanced Materials ResearchAdvanced Materials Research Vol. 743Numerical Simulation of Soil-Pipe-Fluid...

Numerical Simulation of Soil-Pipe-Fluid Interaction in Buried Liquid-Conveying Pipe

Abstract:

Buried pipe crossing faults is an important part of underground city lifeline, which is influenced by many factors. It is necessary to calculate Soil-Pipe-Fluid interaction that includes fluid-structure interaction (FSI) and pipe-soil interaction. Under multi-action of site, fault movement, and earthquake, finite element model of buried liquid-conveying pipe is established by ADINA. Two-way fluid-structure coupling methods for fluid-structure interaction and definition of contact for pipe-soil interaction are introduced. Pipe-soil friction is defined in solid model; especially, flow assumption and fluid structure interface condition are defined in fluid model. Damage of buried liquid-conveying pipe under soil-pipe-fluid action is calculated under fluid-structure coupling with pipe-soil interaction. Influences of site soil and liquid velocity on effective stress and circumferential strain of buried liquid-conveying pipe are analyzed, and some advice is proposed for pipe protection.

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Periodical:

Advanced Materials Research (Volume 743)

Pages:

244-248

DOI:

https://doi.org/10.4028/www.scientific.net/AMR.743.244

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Online since:

August 2013

Authors:

Mei Yang, Xiao Liu, Yan Hua Chen

Keywords:

Buried Liquid-Conveying Pipe, Crossing Fault, Numerical Simulation, Pipe-Soil-Fluid Interaction

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