Efficient numerical implementation for nonlinear analysis of pile-supported structures during soil liquefaction through adaptive pile element formulations

W Ouyang, AR Liang, SW Liu - Soil Dynamics and Earthquake Engineering, 2023 - Elsevier
The structural behavior of pile-supported structures during soil liquefaction is sometimes
insufficiently investigated properly due to the inefficiency in the existing line finite element …

Innovative Timoshenko soil-pile integrated element for lager diameter laterally-loaded piles considering soil-pile interactions

XY Li, HP Zhao, SW Liu, JH Wan, R Bai - Computers and Geotechnics, 2022 - Elsevier
The large diameter piles (LDP) are designed to provide strong bearing capacity, which
should be carefully analysed to ensure the superstructures' reliability. The conventional …

Refined three-dimensional pile element formulation for second-order analysis of pile-supported structures accounting for complex loading conditions

W Ouyang, R Bai, SW Liu, SL Chan - Engineering Structures, 2024 - Elsevier
The second-order analysis method is a simulation-based design method but less utilized for
pile-supported structures due to the current inaccurate and unstable analysis methods for …

Efficient numerical algorithms for assessing the mechanical performance of corroded offshore steel sheet piles

Y Yang, W Ouyang, K Liu, SW Liu - Ocean Engineering, 2022 - Elsevier
Deterioration of offshore steel sheet pile walls subjected to corrosion may significantly affect
the structural performance under serviceability and failure. Most steel corrosion studies …

Neural networks-based spring element for second-order analysis of pile-supported structures with nonlinear soil-structure interaction

W Ouyang, L Chen, SW Liu - Engineering Structures, 2024 - Elsevier
This paper proposes a novel structural analysis approach, the neural networks-based spring
element (NNSE) method, to synergize machine learning (ML) techniques with the line finite …

Co-rotational formulations for geometrically nonlinear analysis of beam-columns including warping and Wagner effects

L Chen, SW Liu, R Bai, SL Chan - International Journal of Structural …, 2023 - World Scientific
The warping effects may predominate in geometrically nonlinear analysis of open cross-
section members. The formulation of conventional beam-column elements incorporating the …

Euler–Bernoulli pile element for nonlinear buckling analysis of single piles in slope

W Ouyang, SW Liu, J Wan, Y Yang - International Journal of …, 2021 - ascelibrary.org
Piles are sometimes unavoidably embedded in slopes for supporting buildings on hills. In
contrast to a pile on a horizontal ground, a pile in slope is acted on by additional sliding …