Web Access Research Portal

Researcher: Leong, ZQ (Dr Zhi Leong)

Fields of Research

Ship and Platform Hydrodynamics
Naval Architecture
Ocean Engineering
Marine Engineering
Special Vehicles
Maritime Engineering
Calculus of Variations, Systems Theory and Control Theory
Navigation and Position Fixing
Metals and Alloy Materials

Research Objectives

Water Transport
Expanding Knowledge in Engineering
Wave Energy
Navy
Emerging Defence Technologies
Pipeline Transport
Antarctic and Sub-Antarctic Oceanography
Natural Hazards in Marine Environments
Biofuel (Biomass) Energy
Marine Oceanic Processes (excl. climate related)
Physical and Chemical Conditions of Water in Fresh, Ground and Surface Water Environments (excl. Urban and Industrial Use)

Career Best Publications

Research Publications

Autonomous Underwater Vehicle motion response: a nonacoustic tool for blue water navigation; Marine Technology Society Journal
Autonomous Underwater Vehicles as platforms for experimental hydraulics; Experimental Hydraulics: Methods, Instrumentation, Data Processing and Management: Volume II: Instrumentation and Measurement Techniques
CFD Analysis of scour prediction around subsea pipelines; 2014 Australasian Corrosion Association Conference
CFD modelling and validation of an AUV undergoing variable accelerations; 24th International Ocean and Polar Engineering Conference
Characterisation of waves via the Lax-Wendroff method; Journal of Ocean Engineering and Marine Energy
Computational Fluid Dynamics Re-Mesh Method to Generating Hydrodynamic Models for Maneuvring Simulation of Two Submerged Bodies in Relative Motion; Journal of Computer Science and Cybernetics
Determining the horizontal and vertical water velocity components of a turbulent water column using the motion response of an autonomous underwater vehicle; Journal of Marine Science and Engineering
Development of a Numerical Model for the Hydrodynamic Performance Analysis of a Collective and Cyclic Pitch Propeller; Fifth International Symposium on Marine Propulsors - smp'17
Development of current-induced scour beneath elevated subsea pipelines; Journal of Ocean Engineering and Science
Effect of RANS-based turbulence models on nonlinear wave generation in a two-phase numerical wave tank; Progress in Computational Fluid Dynamics
Effects of appendages on underwater vehicles; 10th International Research Conference of General Sir John Kotelawala Defence University
Effects of hydrodynamic interaction on an AUV operating close to a moving submarine
Estimating flow velocities of the water column using the motion response of an autonomous underwater vehicle (AUV); 2015 MTS/IEEE OCEANS Conference
Evaluation of the Out-of-Plane loads on a submarine undergoing a steady turn; 20th Australasian Fluid Mechanics Conference (20AFMC)
Experimental and numerical investigations on the hydrodynamic performance of a floating-moored oscillating water column wave energy converter; Applied Energy
Experimental and numerical investigations on the intact and damage survivability of a floating–moored oscillating water column device; Applied Ocean Research
Experimental and numerical measurements of wave forces on a 3D offshore stationary OWC wave energy converter; Ocean Engineering
Free running simulation of an Autonomous Underwater Vehicle undergoing a straight line manoeuvre via computational fluid dynamics; Pacific International Maritime Conference 2015
Hydrodynamic interaction effects on tugs operating within the midship region alongside large ships; 9th International Research Conference of KDU
Hydrodynamic performance analysis of a collective and cyclic pitch propeller under bollard pull condition through numerical evaluation of two-dimensional pitching hydrofoils; Journal of Ship Research
Hydrodynamics design considerations for underwater vehicles; 9th International Research Conference of KDU
Ian Telfer Prize
Improving the hydrodynamic efficiency of an offshore OWC wave energy converter through changes to the submerged depth of the OWC front face; Australian Ocean Renewable Energy Symposium (AORES)
Intact and damaged survivability of an offshore floating-moored OWC device; 27th (2017) annual International Offshore and Polar Engineering Conference
Investigation into the Hydrodynamic Interaction Effects on an AUV Operating Close to a Submarine; Pacific 2013 International Maritime Conference
Investigations on 3D effects and correlation between wave height and lip submergence of an offshore stationary OWC wave energy converter; Applied Ocean Research
Non-dimensionalisation of lateral distances between vessels of dissimilar sizes for interaction effect studies; Transactions of the Royal Institution of Naval Architects Part A: International Journal of Maritime Engineering
Non-parametric dynamic system identification of ships using multi-output Gaussian Processes; Ocean Engineering
Numerical and experimental prediction of hydrodynamic interaction effects acting on tugs during ship manoeuvres; Journal of Marine Science and Technology-Taiwan
Numerical energy balance analysis for an onshore oscillating water column-wave energy converter; Energy
Numerical hydrodynamic analysis of an offshore stationary–floating oscillating water column–wave energy converter using CFD; International Journal of Naval Architecture and Ocean Engineering
Numerical investigation of the hydrodynamic interaction between two underwater bodies in relative motion; Applied Ocean Research
Numerical modelling of the hydrodynamic performance of sinusoidally pitching hydrofoils; 20th Australasian Fluid Mechanics Conference (20AFMC)
Numerical simulation of spheres in relative motion using dynamic meshing techniques; 18th Australasian Fluid Mechanics Conference
Parameter identification of a nonlinear model: replicating the motion response of an autonomous underwater vehicle for dynamic environments; Nonlinear Dynamics
Predicting scour beneath subsea pipelines from existing small free span depths under steady currents; Journal of Ocean Engineering and Science
Quasi-static analysis of the hydrodynamic interaction effects on an autonomous underwater vehicle operating in proximity to a moving submarine; Ocean Engineering
RANS-based CFD prediction of the hydrodynamic coefficients of DARPA suboff geometry in straight-line and rotating arm manoeuvres; International Journal of Maritime Engineering
Scaling and air compressibility effects on a three-dimensional offshore stationary OWC wave energy converter; Applied Energy
Scaling and relative size effects on the hydrodynamic interaction on an UUV operating close to a submarine; Warship 2014: Naval Submarines and UUVs
Simulation and validation of an AUV in variable accelerations; International Journal of Offshore and Polar Engineering
Six-DOF simulations of an underwater vehicle undergoing straight line and steady turning manoeuvres; Ocean Engineering
Technologies for Under-Ice AUV Navigation; 2016 Autonomous Underwater Vehicles, AUV 2016
The effect of hull form on the optimum L/D ratio for minimum resistance for submerged bodies; PACIFIC 2017 International Maritime Conference
The hydrodynamic effects on an underwater vehicle in close proximity to a larger moving vehicle; 11th International Naval Engineering Conference and Exhibition
The hydrodynamic interaction effects on a fully appended AUV operating near a moving submarine; Pacific International Maritime Conference 2015
The Royal Institution of Naval Architects Medal of Distinction
Transient analysis of hydrodynamic interaction effects on an autonomous underwater vehicle in proximity of a moving submarine; International Journal of Maritime Engineering
Two-phase model for simulating current-induced scour beneath subsea pipelines at different initial elevations; ASME 2018 37th International Conference on Ocean, Offshore and Arctic Engineering (OMAE2018)
Under the big-ice: fluid-ice structure interaction of the Drygalski ice tonguet; The 23rd IAHR International Symposium on Ice
Underwater geometrical impact on the hydrodynamic performance of an offshore oscillating water column-wave energy converter; Renewable Energy
Using Computational Fluid Dynamics Re-Mesh to Generate Hydrodynamic Models for Manoeuvering Simulation of Two Submerged Bodies in Relative Motion; The 1st Vietnam Conference on Control and Automation
WHC Nicholas Prize

Research Projects

Computational Fluid Dynamics - Free Running Model Project
Computational Fluid Dynamics Modelling of Experimental Programmes
Loan of Mullaya Underwater Vehicle
Postdoctoral on submarine manoeuvring
Submarine Hydrodynamics and Manoeuvring

Research Candidate Supervision