Soft computing techniques for predicting penetration and uplift resistances of dual pipelines in cohesive soils

DR Kumar, P Samui, W Wipulanusat… - Engineered …, 2023 - espublisher.com
It is a difficult task for practical engineers to calculate the uplift and penetration resistance of
two overlap** pipelines that are buried in clay that increases in strength linearly. Hence, in …

Stability analysis of buried pipelines under combined uplift and lateral forces using FELA and ANN

K Kounlavong, JT Chavda, P Jamsawang… - Applied Ocean …, 2023 - Elsevier
In this paper, the effective intelligent system based on artificial neural networks (ANNs) and
the finite element limit analysis (FELA) is developed to predict the undrained uplift capacity …

Improvements in plate anchor capacity due to cyclic and maintained loads combined with consolidation

Z Zhou, CD O'Loughlin, DJ White, SA Stanier - Géotechnique, 2020 - icevirtuallibrary.com
Plate anchor technology is an efficient solution for mooring offshore floating facilities for oil
and gas or renewable energy projects. When used with a taut mooring, the anchor is …

Investigation of trench effect on fatigue response of steel catenary risers using an effective stress analysis

H Janbazi, H Shiri - Computers and Geotechnics, 2023 - Elsevier
Abstract The design of Steel Catenary Risers (SCR) heavily relies on the interaction
between the riser and seabed in the touchdown zone (TDZ). To accurately estimate the SCR …

Resistance mechanism of partially embedded pipelines considering the influence of temperature fields

H Wang, K Wang, Z Guo, S Rui, Z Wang - Ocean Engineering, 2023 - Elsevier
Subsea pipelines are prone to global buckling under high temperature and high pressure.
The key to predict buckling is to accurately evaluate the pipe-soil resistance, which is …

Novel hybrid XGBoost-based soft computing models for predicting penetration resistance of buried pipelines in cohesive soils

K Kounlavong, L Sadik, S Keawsawasvong… - Ocean …, 2024 - Elsevier
In this paper, both the finite element limit analysis (FELA) and soft computing techniques of
four hybrid XGBoost (XGB) models, namely, GA-XGB, optimized with Genetic Algorithms; …

Application of artificial neural networks for predicting lateral and uplift capacity of buried rectangular box carrying pipelines

K Kounlavong, VQ Lai, JT Chavda… - Marine Georesources …, 2024 - Taylor & Francis
Urban and offshore subterranean comprehensive pipelines are currently utilized frequently
as infrastructure for fitting different engineering pipelines used for electricity, signal …

A 3D RITSS approach for total stress and coupled-flow large deformation problems using ABAQUS

SN Ullah, LF Hou, U Satchithananthan, Z Chen… - Computers and …, 2018 - Elsevier
A large deformation finite element (LDFE) method is implemented in a commercially
available finite element software in three dimensions using a re-meshing and interpolation …

An effective stress framework for estimating penetration resistance accounting for changes in soil strength from maintained load, remoulding and reconsolidation

Z Zhou, DJ White, CD O'Loughlin - Géotechnique, 2019 - icevirtuallibrary.com
Some offshore foundations are subjected to intermittent episodes of remoulding and
reconsolidation during installation and operational processes. The maintained and cyclic …

Coupled analysis of full flow penetration problems in soft sensitive clays

H Sabetamal, JP Carter, X Zhang, D Sheng - Computers and Geotechnics, 2021 - Elsevier
This study describes the development and implementation of a numerical procedure for the
analysis of coupled geotechnical problems involving finite deformations, changing boundary …