Blar i Publikasjoner fra CRIStin på forfatter "Ong, Muk Chen"
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Numerical analysis on flow around a wall-mounted square structure using Dynamic Mode Decomposition
Yin, Guang; Ong, Muk Chen (Peer reviewed; Journal article, 2021-03)Numerical investigations of the flow around a wall-mounted square structure have been carried out by using three-dimensional Spalart-Allmaras Delayed Detached Eddy Simulations (SADDES). The Reynolds number based on the ... -
Numerical investigation of breaking wave loads on the downstream inclined cylinder under shelter effect from the upstream vertical cylinder
Qu, Sen; Ren, Huilong; Liu, Shengnan; Sun, Shuzheng; Ong, Muk Chen (Peer reviewed; Journal article, 2021)Breaking waves interaction with two tandem cylinders are numerically studied using Computational Fluid Dynamic (CFD) software OpenFOAM. The effects of transverse inclined angles of the downstream cylinder and separation ... -
Numerical Investigation of Flow around Two Tandem Cylinders in the Upper Transition Reynolds Number Regime Using Modal Analysis
Nazvanova, Anastasiia; Yin, Guang; Ong, Muk Chen (Peer reviewed; Journal article, 2022)Flow around two tandem cylinders at Re = 3.6 × 106 for different center-to-center spacing ratio (L/D) is investigated numerically using two-dimensional (2D) Unsteady Reynolds-Averaged Navier–Stokes (URANS) equations combined ... -
Numerical investigation of scour beneath pipelines subjected to an oscillatory flow condition
Huang, Jun; Yin, Guang; Ong, Muk Chen; Myrhaug, Dag; Jia, Xu (Peer reviewed; Journal article, 2021-10)The present study carries out two-dimensional numerical simulations to investigate scour beneath a single pipeline and piggyback pipelines subjected to an oscillatory flow condition at a Keulegan–Carpenter (KC) number of ... -
Numerical Investigation of Vortex-Induced Vibrations of a Flexible Riser with Staggered Buoyancy Elements
Wu, Jie; Lekkala, Malakonda K. Reddy; Ong, Muk Chen (Peer reviewed; Journal article, 2020-01)This paper presents a numerical algorithm used together with a Finite-Element based Vortex-Induced Vibration (VIV) prediction software VIVANA to obtain a hydrodynamic force coefficient database based on response measurements ... -
Numerical investigation of wave-plus-current induced scour beneath two submarine pipelines in tandem
Li, Yuzhu; Ong, Muk Chen; Fuhrman, David R.; Larsen, Bjarke Eltard (Peer reviewed; Journal article, 2019-12)Two-dimensional (2D) local scour beneath two submarine pipelines in tandem under wave-plus-current conditions is investigated numerically. A fully-coupled hydrodynamic and morphologic model based on unsteady Reynolds-averaged ... -
Numerical Investigation on Aerodynamic Characteristics of Dual-Rotor Wind Turbines
Wang, Kai; Liu, Tianhui; Wan, Yuanchen; Ong, Muk Chen; Wu, Tiecheng (Peer reviewed; Journal article, 2022)Improving power output and reducing costs are crucial to the sustainable development of offshore wind power. In the present study, a dual-rotor wind turbine (DRWT) is proposed to improve wind energy capture efficiency by ... -
Numerical investigations of flow around subsea covers at high Reynolds numbers
Yin, Guang; Zhang, Yanni; Ong, Muk Chen (Peer reviewed; Journal article, 2021)Two-dimensional (2D) numerical simulations of flow over wall-mounted rectangular and trapezoidal ribs subjected to a turbulent boundary layer flow with the normalized boundary layer thickness of δ/D = 0.73,1.96,2.52 (D is ... -
Numerical investigations of pipe flow downstream a flow conditioner with bundle of tubes
Yin, Guang; Ong, Muk Chen; Zhang, Puyang (Peer reviewed; Journal article, 2023-01)Flow conditioners are widely utilized in pipeline systems to improve the precision of flow rate measurement in the pipeline systems of the offshore and subsea oil and gas industry. There is a lack of knowledge about the ... -
Numerical Simulation of Breaking Wave Loading on Standing Circular Cylinders with Different Transverse Inclined Angles
Qu, Sen; Liu, Shengnan; Ong, Muk Chen; Sun, Shuzheng; Ren, Huilong (Peer reviewed; Journal article, 2020)The purpose of this paper is to numerically simulate the breaking wave past a standing cylinder with different transverse inclined angles. The numerical simulations are carried out by solving the Unsteady Reynolds-Averaged ... -
Numerical simulation of flow around two 5:1 rectangular cylinders at a high Reynolds Number
Yin, Guang; Monaci, T.; Ong, Muk Chen (Peer reviewed; Journal article, 2019)The unsteady flows around two stationary rectangular cylinders with a chord-to-thickness ratio of B/D = 5 at ReD = 2 × 105 (based on the free stream velocity and the width length D), are investigated using two-dimensional ... -
Numerical simulation of oxygen transport in land-based aquaculture tank
Yin, Guang; Ong, Muk Chen; Lee, Jihoon; Kim, Taeho (Peer reviewed; Journal article, 2021-10)Dissolved oxygen is an important indicator of the water quality and important for fish survival in aquaculture. The distribution of the dissolved oxygen is highly dependent on the flow motions, the pressure and the temperature ... -
Numerical simulation of piggyback pipelaying under current loadings
Lee, Chern Fong; Ji, Guomin; Janocha, Marek Jan; Ong, Muk Chen; Borsheim, Andreas (Peer reviewed; Journal article, 2023)For piggyback pipelaying operations, current-induced force and its effect on the piggyback pipe have not been thoroughly studied. In the present study, an improved method in hydrodynamic load calculation and structural ... -
Numerical simulations of flow around two tandem wall-mounted structures at high Reynolds numbers
Yin, Guang; Andersen, Martin; Ong, Muk Chen (Peer reviewed; Journal article, 2020)In the present study, the flow around two-dimensional (2D) square and trapezoidal wall- mounted structures in tandem on a horizontal flat wall has been simulated using two-dimensional Reynolds-averaged Navier-Stokes (RANS) ... -
Numerical simulations of flow-induced vibrations of two rigidly coupled cylinders with uneven diameters in the upper transition Reynolds number regime
Pires Vieira Serta, Clarissa; Janocha, Marek Jan; Yin, Guang; Ong, Muk Chen (Peer reviewed; Journal article, 2021)Two degree-of-freedom (2-DoF) flow-induced vibrations (FIV) of two rigidly coupled cylinders are numerically investigated at the Reynolds number of 3.6 × 106. Two- dimensional (2D) Unsteady Reynolds-Averaged Navier–Stokes ... -
Numerical simulations of the sliding impact between an ice floe and a ship hull structure in ABAQUS
Zhang, Jianan; Liu, Zhenhui; Ong, Muk Chen; Tang, Wenyong (Peer reviewed; Journal article, 2022)This paper studies the hull structural responses of a steel grillage subjected to sliding ice loads, which have been rarely investigated in the literature. Sliding ice loads are modelled using nonlinear finite element ... -
Numerical study on vibratory extraction of offshore wind turbine monopile foundations under sandy seabed condition
Salahshour Langeroodi, Soheil; Ong, Muk Chen; Nematzadeh, Afrouz (Peer reviewed; Journal article, 2023)The wind industry has experienced a rapid growth in Europe over the last decades. The early generation turbines were designed for a life of 20–25 years. Decommissioning of offshore wind turbines is becoming more important ... -
An object-oriented method for fully coupled analysis of floating offshore wind turbines through mapping of aerodynamic coefficients
El Beshbichi, Omar; Xing, Yihan; Ong, Muk Chen (Peer reviewed; Journal article, 2021-07)This work presents a novel object-oriented approach to model the fully-coupled dynamic response of floating offshore wind turbines (FOWTs). The key features offered by the method are the following: 1) its structure naturally ... -
On the three-dimensional effects of the water entry of wedges
Wen, Xueliang; Ong, Muk Chen; Yin, Guang (Peer reviewed; Journal article, 2023-09)Three-dimensional (3D) effects on the total and spanwise slamming coefficients and the pressure reductions acting on the wedge surface during water entry are modeled in a unified manner. First, the water entry of wedges ... -
On the wake flow behind a sphere in a pipe flow at low Reynolds numbers
Yin, Guang; Ong, Muk Chen (Peer reviewed; Journal article, 2020-10)Numerical simulations are carried out to investigate the flow around a stationary sphere in a pipe. Seven sphere diameters d = 0.1D–0.9D (D is the diameter of the pipe) are chosen to investigate the effects of the blockage ...