# Dr Zhihua Xie

Senior Lecturer

- zxie@cardiff.ac.uk
- +44 (0)29 2087 9375
- W/2.36, Queen's Buildings - West Building, 5 The Parade, Newport Road, Cardiff, CF24 3AA

- Media commentator
- Available for postgraduate supervision

## Overview

Dr Zhihua Xie is a Senior Lecturer in the School of Engineering at Cardiff University. He obtained Ph.D. in Computational Fluid Dynamics (CFD) in 2010 from the University of Leeds, funded by the Marie Curie EST Fellowship. He previously worked as a Research Associate in Computational Hydraulics at Cardiff University from 2010 to 2012 before working as a Research Associate in Numerical Modelling of Multiphase Flows on the EPSRC MEMPHIS Programme Grant (www.memphis-multiphase.org) at Imperial College London between 2013 and 2016. In January 2017, he was hired as a Lecturer of Fluid Mechanics in the School of Engineering at Cardiff University and was promoted to Senior Lecturer in August 2019.

His main research interest is in development and application of CFD codes (FVM, FDM, FEM) for predicting interfacial and multiphase flows in environmental and industrial problems. His research is funded by EPSRC, Royal Society and British Council. He is a member of EPSRC Peer Review College, leadership team of International Association for Hydro-Environment Engineering and Research (IAHR) Technical Committee on Coastal and Maritime Hydraulics, and Technical Program Committee for International Society of Offshore and Polar Engineers (ISOPE).

Dr Xie’s research interests span a broad range of topics in:

- Computational Fluid Dynamics
- Turbulence Modelling and Simulation
- Interfacial and Multiphase Flows
- Water Wave Mechanics
- Hydrodynamics
- Hydraulics
- Coastal and Offshore Engineering
- Environmental Fluid Mechanics
- Fluid-Structure Interaction
- Chemical Engineering
- Numerical Methods and High Performance Computing.

Dr Xie is an expert reviewer for a wide variety of journals, including:

- Journal of Fluid Mechanics (Cambridge University Press)
- Journal of Computational Physics (Elsevier)
- Computers & Fluids (Elsevier)
- Journal of Hydraulic Research (IAHR)
- Journal of Hydraulic Engineering (ASCE)
- Advances in Water Resources (Elsevier)
- European Journal of Mechanics / B Fluids (Elsevier)
- Ocean Modelling (Elsevier)
- Ocean Engineering (Elsevier)
- International Journal for Numerical Methods in Fluids (Wiley)
- International Journal of Multiphase Flow (Elsevier)
- Journal of Geophysical Research (AGU)
- Water Resources Research (AGU)
- Journal of Waterway, Port, Coastal and Ocean Engineering (ASCE)
- International Journal of Sediment Research (Elsevier)
- Computer Physics Communications (Elsevier)
- Proceedings of ICE - Water Management (ICE)
- Engineering Applications of Computational Fluid Mechanics (Taylor & Francis)
- International Journal of River Basin Management (Taylor & Francis)
- Journal of Applied Water Engineering and Research (Taylor & Francis)
- Journal of Hydrodynamics (Springer)
- Numerical Algorithms (Springer)
- International Journal of Heat and Mass Transfer (Elsevier)
- Applied Thermal Engineering (Elsevier)
- Chemical Engineering Science (Elsevier)
- Chemical Engineering Research and Design (Elsevier)
- Chinese Journal of Chemical Engineering (Elsevier)
- Food and Bioproducts Processing (Elsevier)
- International Society of Offshore and Polar Engineers (ISOPE)
- Scientific Reports (Nature)
- International Journal of Ocean and Coastal Engineering (World Scientific)

## Biography

### Education and qualifications

- 2010: PhD in Computational Fluid Dynamics, University of Leeds, Leeds, UK
- 2006: Postgraduate study in Hydrodynamics, Dalian Maritime University, Dalian, China
- 2003: BEng Environmental Engineering, Dalian Maritime University, Dalian, China

### Honours and awards

- Outstanding Contribution Award, Cardiff University (2018)
- Participant of GW4 Crucible Programme (2018)
- Marie Curie EST Fellowship, University of Leeds (2006-2009)
- Kwang-Hua Scholarship, Kwang-Hua Education Foundation (2006)

### Professional memberships

- Member of EPSRC Peer Review College (2017 - )
- Member of the International Association for Hydro-Environment Engineering and Research (IAHR)
- Member of the International Society of Offshore and Polar Engineers (ISOPE)
- Member of American Physical Society (APS)
- STEM Ambassador

### Academic positions

- 08/2019 - present: Senior Lecturer, Cardiff University
- 01/2017 - 07/2019: Lecturer, Cardiff University
- 01/2017 - present: Honorary Research Associate, Imperial College London
- 01/2013 - 12/2016: Research Associate, Imperial College London
- 01/2010 - 12/2012: Research Associate, Cardiff University
- 11/2006 - 10/2009: Marie Curie EST Research Fellow, University of Leeds

### Speaking engagements

- 03/2019 (Invited talk) State Key Laboratory of Hydroscience and Engineering, Tsinghua University, China
- 03/2019 (Invited talk) State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, China
- 06/2018: (Invited talk) Resilience Engineering Seminars, University of Tokyo, Japan.
- 02/2018: (Invited talk) Chemical Engineering Department Seminars, University of Bath, UK.
- 11/2017: (Invited talk) School of Engineering, Newcastle University, UK.
- 11/2017: (Invited talk) BP Institute for Multiphase Flow, University of Cambridge, UK.
- 07/2017: (Invited talk) UK Fluids Network Special Interest Group "Fluid Mechanics for Cleaning and Decontamination", University of Manchester, UK.
- 04/2017: (Invited talk) State Key Laboratory of Water Resources and Hydropower Engineering Science, Wuhan University, China
- 11/2016: (Invited talk) Workshop on Drop Impact: from Coalescence to Splashing, Imperial College London, UK
- 08/2016: (Invited talk) BIRS - Enabling Process Innovation through Computation workshop, Banff International Research Station, Banff, Canada
- 01/2016 (Invited talk) State Key Laboratory of Coastal and Offshore Engineering, Dalian University of Technology, China

### Committees and reviewing

*Co-Chair, *China-UK Newton Fund Researchers Link Workshop on **C**oastal and **O**ffshore **R**enewable **E**nergy **S**ystems under **E**xtreme **E**vents (CORESEE 2019) in Dalian, China 28-31 July 2019*.* *http://coresee2019.wordpress.com*

*External PhD Examiner for:*

- University of Cambridge, UK

*Grant reviewer for: *

- EPSRC
- British Council

*Committee member for:*

- leadership team of IAHR Technical Committee on Coastal and Maritime Hydraulics
- Technical Program Committee for International Society of Offshore and Polar Engineers (ISOPE)

## Publications

### 2020

- Sun, C.et al. 2020. Thin film gallium nitride (GaN) based acoustofluidic tweezer: modelling and microparticle manipulation. Ultrasonics 108, article number: 106202. (10.1016/j.ultras.2020.106202)
- Xie, Z. and Stoesser, T. 2020. A three-dimensional Cartesian cut-cell/volume-of-fluid method for two-phase flows with moving bodies. Journal of Computational Physics 416, article number: 109536. (10.1016/j.jcp.2020.109536)
- Xie, Z.et al. 2020. A control volume finite element method for three-dimensional three-phase flows. International Journal for Numerical Methods in Fluids 92(7), pp. 765-784. (10.1002/fld.4805)
- Sun, C.et al. 2020. Gallium nitride: a versatile compound semiconductor as novel piezoelectric film for acoustic tweezer in manipulation of cancer cells. IEEE Transactions on Electron Devices (10.1109/TED.2020.3002498)
- Mikhaylov, R.et al. 2020. Development and characterisation of acoustofluidic devices using detachable electrodes made from PCB. Lab on a Chip 20(10), pp. 1807-1814. (10.1039/C9LC01192G)
- Via-Estrem, L.et al. 2020. Robust control volume finite element methods for numerical wave tanks using extreme adaptive anisotropic meshes. International Journal for Numerical Methods in Fluids (10.1002/fld.4845)
- Ransley, E.et al. 2020. A blind comparative study of focused wave Interactions with floating structures (CCP-WSI Blind Test Series 3). International Journal of Offshore and Polar Engineering 30(1), pp. 1-10. (10.17736/ijope.2020.jc774)
- Yan, S.et al. 2020. CCP-WSI Blind Test using qaleFOAM with an improved passive wave absorber. International Journal of Offshore and Polar Engineering 30(1), pp. 43-52. (10.17736/ijope.2020.jc781)
- Fang, K.et al. 2020. Development and validation of a two-layer Boussinesq model for simulating free surface waves generated by bottom motion. Applied Ocean Research 94, article number: 101977. (10.1016/j.apor.2019.101977)
- Salinas, P.et al. 2020. Vanishing artificial diffusion as a mechanism to accelerate convergence for multiphase porous media flow. Computer Methods in Applied Mechanics and Engineering 359, article number: 112535. (10.1016/j.cma.2019.07.004)

### 2019

- Xie, Z.et al. 2019. Three-dimensional numerical study of solitary waves interacting with a horizontal plate. Presented at: 29th International Ocean and Polar Engineering Conference, Honolulu; US, 16-21 June 2019Proceedings of the Twenty-ninth (2019) International Ocean and Polar Engineering Conference, Vol. 3. US: International Society of Offshore and Polar Engineers (ISOPE) pp. 2733-2738.
- Yan, S.et al. 2019. Numerical simulation of wave structure interaction using qalefoam. Presented at: 29th International Ocean and Polar Engineering Conference, Honolulu; US, 16-21 June 2019Proceedings of the International Offshore and Polar Engineering Conference. US: International Society of Offshore and Polar Engineers (ISOPE) pp. 3089-3095.
- Yan, S.et al. 2019. Comparative numerical study on focusing wave interaction with FPSO-like structure. Journal of Offshore and Polar Engineering (IJOPE) 29(2), pp. 149-157.
- Ransley, E.et al. 2019. A blind comparative study of focused wave interactions with a fixed FPSO-like structure (CCP-WSI Blind Test Series 1). International Journal of Offshore and Polar Engineering 29(2), pp. 113-127. (10.17736/ijope.2019.jc748)

### 2018

- Salinas, P.et al. 2018. A robust mesh optimisation method for multiphase porous media flows. Computational Geosciences 22(5), pp. 1389-1401. (10.1007/s10596-018-9759-z)
- Lei, Q.et al. 2018. The shape and motion of gas bubbles in a liquid flowing through a thin annulus. Journal of Fluid Mechanics 855, pp. 1017-1039. (10.1017/jfm.2018.696)
- Tang, G.et al. 2018. Impulse waves generated by subaerial landslides of combined block mass and granular material. Coastal Engineering 141, pp. -. (10.1016/j.coastaleng.2018.09.003)
- Salinas, P.et al. 2018. A discontinuous control volume finite element method for multi-phase flow in heterogeneous porous media. Journal of Computational Physics 352, pp. 602-614. (10.1016/j.jcp.2017.09.058)

### 2017

- Salinas, P.et al. 2017. Improving the robustness of the control volume finite element method with application to multiphase porous media flow. International Journal for Numerical Methods in Fluids 85(4), pp. 235-246. (10.1002/fld.4381)
- Xie, Z.et al. 2017. Numerical simulation of three-dimensional breaking waves and its interaction with a vertical circular cylinder. Journal of Hydrodynamics 29(5), pp. 800-804. (10.1016/S1001-6058(16)60791-6)
- Xie, Z. 2017. Numerical modelling of wind effects on breaking waves in the surf zone. Ocean Dynamics 67(10), pp. 1251-1261. (10.1007/s10236-017-1086-8)
- Xie, Z.et al. 2017. Numerical study of three-dimensional droplet impact on a flowing liquid film in annular two-phase flow. Chemical Engineering Science 166, pp. 303-312. (10.1016/j.ces.2017.04.015)
- Salinas, P.et al. 2017. Improving the convergence behaviour of a fixed-point-iteration solver for multiphase flow in porous media. International Journal for Numerical Methods in Fluids 84(8), pp. 466-476. (10.1002/fld.4357)
- Nowak, E.et al. 2017. Bulk advection and interfacial flows in the binary coalescence of surfactant-laden and surfactant-free drops. Soft Matter 13(26), pp. 4616-4628. (10.1039/C7SM00328E)
- Adebayo, I.et al. 2017. Doubly excited pulse waves on thin liquid films flowing down an inclined plane: an experimental and numerical study. Physical Review E 96(1), article number: 13118. (10.1103/PhysRevE.96.013118)
- Gomes, J. L. M. A.et al. 2017. A force-balanced control volume finite element method for multi-phase porous media flow modelling. International Journal for Numerical Methods in Fluids 83(5), pp. 431-445. (10.1002/fld.4275)

### 2016

- Xie, Z.et al. 2016. A balanced-force control volume finite element method for interfacial flows with surface tension using adaptive anisotropic unstructured meshes. Computers and Fluids 138, pp. 38-50. (10.1016/j.compfluid.2016.08.005)
- Adam, A.et al. 2016. Higher-order conservative interpolation between control-volume meshes: application to advection and multiphase flow problems with dynamic mesh adaptivity. Journal of Computational Physics 321, pp. 512-531. (10.1016/j.jcp.2016.05.058)
- Lu, L.et al. 2016. Numerical investigation of flow-induced rotary oscillation of circular cylinder with rigid splitter plate. Physics of Fluids 28(9), article number: 93604. (10.1063/1.4962706)
- Pavlidis, D.et al. 2016. Compressive advection and multi-component methods for interface-capturing. International Journal for Numerical Methods in Fluids 80(4), pp. 256-282. (10.1002/fld.4078)

### 2015

- Xie, Z. 2015. A two-phase flow model for three-dimensional breaking waves over complex topography. Proceedings of the Royal Society A: Mathematical, Physical and Engineering Sciences 471(2180), article number: 20150101. (10.1098/rspa.2015.0101)
- Pavlidis, D.et al. 2015. Numerical modelling of melt behaviour in the lower vessel head of a nuclear reactor. Procedia IUTAM 15, pp. 72-77. (10.1016/j.piutam.2015.04.011)

### 2014

- Xie, Z.et al. 2014. Adaptive unstructured mesh modelling of multiphase flows. International Journal of Multiphase Flow 67, pp. 104-110. (10.1016/j.ijmultiphaseflow.2014.08.002)
- Pavlidis, D.et al. 2014. Two- and three-phase horizontal slug flow simulations using an interface-capturing compositional approach. International Journal of Multiphase Flow 67, pp. 85-91. (10.1016/j.ijmultiphaseflow.2014.07.007)
- Percival, J. R.et al. 2014. Control volume finite element modelling of segregation of sand and granular flows in fluidized beds. International Journal of Multiphase Flow 67, pp. 191-199. (10.1016/j.ijmultiphaseflow.2014.10.002)
- Xie, Z., Lin, B. and Falconer, R. A. 2014. Turbulence characteristics in free-surface flow over two-dimensional dunes. Journal of Hydro-Environment Research 8(3), pp. 200-209. (10.1016/j.jher.2014.01.002)
- Xie, Z. 2014. Numerical modelling of wind effects on breaking solitary waves. European Journal of Mechanics - B/Fluids 43, pp. 135-147. (10.1016/j.euromechflu.2013.08.001)

### 2013

- Xie, Z. 2013. Two-phase flow modelling of spilling and plunging breaking waves. Applied Mathematical Modelling 37(6), pp. 3698-3713. (10.1016/j.apm.2012.07.057)
- Xie, Z., Lin, B. and Falconer, R. A. 2013. Large-eddy simulation of the turbulent structure in compound open-channel flows. Advances in Water Resources 53, pp. 66-75. (10.1016/j.advwatres.2012.10.009)
- Xie, Z.et al. 2013. Large-eddy simulation of turbulent open-channel flow over three-dimensional dunes. Journal of Hydraulic Research 51(5), pp. 494-505. (10.1080/00221686.2013.835287)

### 2012

- Xie, Z. 2012. Numerical study of breaking waves by a two-phase flow model. International Journal for Numerical Methods in Fluids 70(2), pp. 246-268. (10.1002/fld.2690)

### 2009

- Zhou, J., Lin, J. and Xie, Z. 2009. A highly accurate compact explicit difference scheme for extended Boussinesq equations. Journal of Harbin Institute of Technology 41, pp. 215-218.

### 2008

- Xie, Z., Lin, J. and Zhou, J. 2008. A new unconditionally stable explicit scheme for the convection-diffusion equation with Robin boundary conditions. International Journal of Computer Mathematics 85(12), pp. 1833-1847. (10.1080/00207160701581574)
- Lin, J.et al. 2008. A three-point explicit compact difference scheme with arbitrary order of accuracy for the two dimensional pollutant diffusion equation. Chinese Journal of Computational Mechanics 25, pp. 511-516.

### 2007

- Lin, J., Xie, Z. and Zhou, J. 2007. High-order compact difference scheme for the regularized long wave equation. Communications in Numerical Methods in Engineering 23(2), pp. 135-156. (10.1002/cnm.892)
- Lin, J., Xie, Z. and Zhou, J. 2007. Three-point explicit compact difference scheme with arbitrary order of accuracy and its application in CFD. Applied Mathematics and Mechanics 28(7), pp. 943-953. (10.1007/s10483-007-0711-x)
- Lin, J., Xie, Z. and Zhou, J. 2007. High-order compact scheme and its stability analysis for the pollutant diffusion equation. Chinese Journal of Computational Mechanics 26, pp. 790-794.
- Zhou, J., Lin, J. and Xie, Z. 2007. A compact explicit difference scheme of high accuracy for extended Boussinesq equations. China Ocean Engineering 21, pp. 507-514.
- Zhou, J., Lin, J. and Xie, Z. 2007. Numerical simulation for higher-order Boussinesq type equations and experimental verifications. The Ocean Engineering 25, pp. 88-92.

### 2006

- Lin, J., Xie, Z. and Zhou, J. 2006. Application of a three-point explicit compact difference scheme to the incompressible Navier-Stokes equations. Journal of Hydrodynamics, Ser. B 18(3), pp. 151-156. (10.1016/S1001-6058(06)60046-2)

### 2005

- Xie, Z., Lin, J. and You, X. 2005. Comparative investigation of some high-order explicit schemes combined with QUICK for the convection-diffusion equation of pollutants. Journal of Hydrodynamics, Series A 20, pp. 346-356.

## Teaching

### Undergraduate courses

- EN1091 - Engineering Analysis
- EN1914 - Professional Studies (Fluid Mechanics)
- EN3317 - Environmental Hydraulics
- EN3100 - Project

### Postgraduate courses

- ENT602 - Environmental Fluid Mechanics
- ENT725 - Case Study

### Research interests

- Computational Fluid Dynamics
- Turbulence Modelling and Simulation
- Interfacial and Multiphase Flows
- Water Wave Mechanics
- Hydrodynamics
- Hydraulics
- Coastal and Offshore Engineering
- Environmental Fluid Mechanics
- Fluid-Structure Interaction
- Chemical Engineering
- Numerical Methods and High Performance Computing.

### Research grants and projects

Title |
People |
Funder |
Value |
Duration |

Newton Advanced Fellowship (NAF\R1\201156) |
Z.Xie (UK PI), J.Xia (China PI) |
Royal Society | £73,000 |
31/03/2020- 30/03/2022 |

Distributed Fibre-optic Cable Sensing for Buried Pipe Infrastructure (EP/S016376/1) |
T.Stoesser, Z.Xie, P.Ouro |
EPSRC | £371,330 |
01/05/2019- 30/04/2022 |

China-UK Researcher Link Workshop "Coastal and Offshore Renewable Energy Systems under Extreme Events" (2018-RLWK10-10151) |
Z.Xie | Newton Fund from British Council | £21,600 |
01/01/2019- 31/12/2019 |

Rapid Monitoring of River Hydrodynamics and Morphology using Acoustic Holography (EP/R022135/1) | T.Stoesser, Z.Xie, R.A.Falconer | EPSRC | £410,620 | 01/11/2018- 30/04/2022 |

GW4 Crucible Seed Fund "The Resilience Games" | M.Alexander, H.Smith, A.Healy, G.Giardina, L.Petetin, R.Poole, Z.Xie | GW4 | £4,000 | 01/09/2018- 31/03/2019 |

Cardiff University GCRF-HEFCW Fellowship | Z.Xie | GCRF | £6,500 | 01/05/2018- 31/07/2018 |

Short Research Visit to University of Cambridge | Z.Xie | EPSRC via UK Fluids Network | £960 | 01/01/2018- 31/12/2018 |