Nonlinear Wave-Induced Uplift Force onto Pipelines Buried in Sloping Seabeds

In this paper, a two-dimensional numerical model for wave-seabed-pipeline interaction is developed to examine the wave-induced uplift force onto pipelines buried in sloping seabeds. The Reynolds-averaged Navier stokes equation and the poro-elastic equation are used to simulate the wave motion and se...

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Main Authors: Lunliang Duan, Bolin Zhan, Linhong Shen, Meiling Fan, Duoyin Wang
Format: Article
Language:English
Published: MDPI AG 2023-06-01
Series:Applied Sciences
Subjects:
Online Access:https://www.mdpi.com/2076-3417/13/13/7519
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author Lunliang Duan
Bolin Zhan
Linhong Shen
Meiling Fan
Duoyin Wang
author_facet Lunliang Duan
Bolin Zhan
Linhong Shen
Meiling Fan
Duoyin Wang
author_sort Lunliang Duan
collection DOAJ
description In this paper, a two-dimensional numerical model for wave-seabed-pipeline interaction is developed to examine the wave-induced uplift force onto pipelines buried in sloping seabeds. The Reynolds-averaged Navier stokes equation and the poro-elastic equation are used to simulate the wave motion and seabed response, respectively. Meanwhile, the pipeline is considered to be elastic. Firstly, three laboratory experiments are taken to verify the effectiveness of the numerical model. Then, the effects of pipeline characteristics, soil properties and wave parameters on the nonlinear wave-induced uplift force onto a pipeline buried in a sloping seabed are analyzed. Finally, an empirical formula for predicting the nonlinear wave-induced uplift force onto buried pipelines under different slope angles is proposed. It can be found that the slope angle can greatly affect the nonlinear wave-caused pore pressure response, as well as the uplift force onto the pipeline. Moreover, the simple method for predicting the uplift force proposed in this paper can facilitate engineering applications.
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spelling doaj.art-f6ab1cdb74334b6b893ef6ae83a88f8f2023-11-18T16:07:35ZengMDPI AGApplied Sciences2076-34172023-06-011313751910.3390/app13137519Nonlinear Wave-Induced Uplift Force onto Pipelines Buried in Sloping SeabedsLunliang Duan0Bolin Zhan1Linhong Shen2Meiling Fan3Duoyin Wang4College of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, ChinaCollege of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, ChinaCollege of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, ChinaCollege of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, ChinaCollege of River and Ocean Engineering, Chongqing Jiaotong University, Chongqing 400074, ChinaIn this paper, a two-dimensional numerical model for wave-seabed-pipeline interaction is developed to examine the wave-induced uplift force onto pipelines buried in sloping seabeds. The Reynolds-averaged Navier stokes equation and the poro-elastic equation are used to simulate the wave motion and seabed response, respectively. Meanwhile, the pipeline is considered to be elastic. Firstly, three laboratory experiments are taken to verify the effectiveness of the numerical model. Then, the effects of pipeline characteristics, soil properties and wave parameters on the nonlinear wave-induced uplift force onto a pipeline buried in a sloping seabed are analyzed. Finally, an empirical formula for predicting the nonlinear wave-induced uplift force onto buried pipelines under different slope angles is proposed. It can be found that the slope angle can greatly affect the nonlinear wave-caused pore pressure response, as well as the uplift force onto the pipeline. Moreover, the simple method for predicting the uplift force proposed in this paper can facilitate engineering applications.https://www.mdpi.com/2076-3417/13/13/7519sloping seabednonlinear waveburied pipelinepore pressureuplift force
spellingShingle Lunliang Duan
Bolin Zhan
Linhong Shen
Meiling Fan
Duoyin Wang
Nonlinear Wave-Induced Uplift Force onto Pipelines Buried in Sloping Seabeds
Applied Sciences
sloping seabed
nonlinear wave
buried pipeline
pore pressure
uplift force
title Nonlinear Wave-Induced Uplift Force onto Pipelines Buried in Sloping Seabeds
title_full Nonlinear Wave-Induced Uplift Force onto Pipelines Buried in Sloping Seabeds
title_fullStr Nonlinear Wave-Induced Uplift Force onto Pipelines Buried in Sloping Seabeds
title_full_unstemmed Nonlinear Wave-Induced Uplift Force onto Pipelines Buried in Sloping Seabeds
title_short Nonlinear Wave-Induced Uplift Force onto Pipelines Buried in Sloping Seabeds
title_sort nonlinear wave induced uplift force onto pipelines buried in sloping seabeds
topic sloping seabed
nonlinear wave
buried pipeline
pore pressure
uplift force
url https://www.mdpi.com/2076-3417/13/13/7519
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AT bolinzhan nonlinearwaveinducedupliftforceontopipelinesburiedinslopingseabeds
AT linhongshen nonlinearwaveinducedupliftforceontopipelinesburiedinslopingseabeds
AT meilingfan nonlinearwaveinducedupliftforceontopipelinesburiedinslopingseabeds
AT duoyinwang nonlinearwaveinducedupliftforceontopipelinesburiedinslopingseabeds