Numerical analysis of stability of seafloor slope under linear waves

T.K. Nian; B. Liu; Dong Wang; L. Song; M. Liu

doi:10.1201/b18442-144

Numerical analysis of stability of seafloor slope under linear waves

T.K. Nian, B. Liu, Dong Wang, L. Song, M. Liu

Research output: Chapter in Book/Conference paper › Conference paper › peer-review

Abstract

© 2015 Taylor & Francis Group, London. Seafloor sliding is one of the geohazards to offshore infrastructures.The instability of the seafloor in shallowwaters may be induced bywaves.To analyze the seafloor stability underwaves, the elastic-plastic finite element method combined with strength reduction technique is used to obtain the factor of safety of seafloor. The waved-induced pressure is based on the theory of the linear wave. The pressure are applied on the surface of slope as pseudo-static loads at a particular time during a wave period to explore the history of the safety factor of gentle slopes. Additionally, the effect of the wave parameters (e.g. wave height and wave length) and the water depth on the stability of slopes are discussed. The numerical results show that the effect of waves on the stability of seafloor is insignificant.

Original language	English
Title of host publication	Frontiers in Offshore Geotechnics III - 3rd International Symposium on Frontiers in Offshore Geotechnics, ISFOG 2015
Pages	987-992
Volume	N/A
DOIs	https://doi.org/10.1201/b18442-144
Publication status	Published - 2015
Event	3rd International Symposium on Frontiers in Offshore Geotechnics - Norway, Oslo, Norway Duration: 10 Jun 2015 → 12 Jun 2015 Conference number: 3

Conference

Conference	3rd International Symposium on Frontiers in Offshore Geotechnics
Abbreviated title	ISFOG
Country/Territory	Norway
City	Oslo
Period	10/06/15 → 12/06/15

Access to Document

10.1201/b18442-144

Cite this

@inproceedings{378afed724fb4183a335a8c16dd72782,

title = "Numerical analysis of stability of seafloor slope under linear waves",

abstract = "{\textcopyright} 2015 Taylor & Francis Group, London. Seafloor sliding is one of the geohazards to offshore infrastructures.The instability of the seafloor in shallowwaters may be induced bywaves.To analyze the seafloor stability underwaves, the elastic-plastic finite element method combined with strength reduction technique is used to obtain the factor of safety of seafloor. The waved-induced pressure is based on the theory of the linear wave. The pressure are applied on the surface of slope as pseudo-static loads at a particular time during a wave period to explore the history of the safety factor of gentle slopes. Additionally, the effect of the wave parameters (e.g. wave height and wave length) and the water depth on the stability of slopes are discussed. The numerical results show that the effect of waves on the stability of seafloor is insignificant.",

author = "T.K. Nian and B. Liu and Dong Wang and L. Song and M. Liu",

year = "2015",

doi = "10.1201/b18442-144",

language = "English",

isbn = "9781138028487",

volume = "N/A",

pages = "987--992",

booktitle = "Frontiers in Offshore Geotechnics III - 3rd International Symposium on Frontiers in Offshore Geotechnics, ISFOG 2015",

note = "3rd International Symposium on Frontiers in Offshore Geotechnics , ISFOG ; Conference date: 10-06-2015 Through 12-06-2015",

}

Nian, TK, Liu, B, Wang, D, Song, L & Liu, M 2015, Numerical analysis of stability of seafloor slope under linear waves. in Frontiers in Offshore Geotechnics III - 3rd International Symposium on Frontiers in Offshore Geotechnics, ISFOG 2015. vol. N/A, pp. 987-992, 3rd International Symposium on Frontiers in Offshore Geotechnics , Oslo, Norway, 10/06/15. https://doi.org/10.1201/b18442-144

TY - GEN

T1 - Numerical analysis of stability of seafloor slope under linear waves

AU - Nian, T.K.

AU - Liu, B.

AU - Wang, Dong

AU - Song, L.

AU - Liu, M.

N1 - Conference code: 3

PY - 2015

Y1 - 2015

N2 - © 2015 Taylor & Francis Group, London. Seafloor sliding is one of the geohazards to offshore infrastructures.The instability of the seafloor in shallowwaters may be induced bywaves.To analyze the seafloor stability underwaves, the elastic-plastic finite element method combined with strength reduction technique is used to obtain the factor of safety of seafloor. The waved-induced pressure is based on the theory of the linear wave. The pressure are applied on the surface of slope as pseudo-static loads at a particular time during a wave period to explore the history of the safety factor of gentle slopes. Additionally, the effect of the wave parameters (e.g. wave height and wave length) and the water depth on the stability of slopes are discussed. The numerical results show that the effect of waves on the stability of seafloor is insignificant.

AB - © 2015 Taylor & Francis Group, London. Seafloor sliding is one of the geohazards to offshore infrastructures.The instability of the seafloor in shallowwaters may be induced bywaves.To analyze the seafloor stability underwaves, the elastic-plastic finite element method combined with strength reduction technique is used to obtain the factor of safety of seafloor. The waved-induced pressure is based on the theory of the linear wave. The pressure are applied on the surface of slope as pseudo-static loads at a particular time during a wave period to explore the history of the safety factor of gentle slopes. Additionally, the effect of the wave parameters (e.g. wave height and wave length) and the water depth on the stability of slopes are discussed. The numerical results show that the effect of waves on the stability of seafloor is insignificant.

U2 - 10.1201/b18442-144

DO - 10.1201/b18442-144

M3 - Conference paper

SN - 9781138028487

VL - N/A

SP - 987

EP - 992

BT - Frontiers in Offshore Geotechnics III - 3rd International Symposium on Frontiers in Offshore Geotechnics, ISFOG 2015

T2 - 3rd International Symposium on Frontiers in Offshore Geotechnics

Y2 - 10 June 2015 through 12 June 2015

ER -

Numerical analysis of stability of seafloor slope under linear waves

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