Professor P Nithiarasu

Professor P Nithiarasu

P Nithiarasu


Professor, College of Engineering

Head of the Zienkiewicz Centre for Computational Engineering (ZC2E)


Specialist Subjects: Biomedical Modelling, Cardiovascular Mechanics, Patient-Specific Studies, Finite Element Method, Bioheat Transfer, Micro-Scale Heat Tansfer, Micro-fluidics

  • DSc, Swansea University, 2007
  • PhD, Indian Institute of Technology Madras, 1997
  • MTech, University of Kerala, 1992
  • BE, Madurai Kamaraj University, 1989 

Find out more


Professor Nithiarasu is a very active researcher in the area of computational biomedical engineering, computational mechanics and computational fluid dynamics. His contribution to the development of the characteristic based split scheme, in collaboration with Professor O.C. Zienkiewicz, is widely acknowledged. Professor Nithiarasu has led and developed a patient-specific modelling platform for carrying out cardiac and respiratory flow studies in Swansea. His research is mainly funded by EPSRC, RS, Leverhulme Trust and NISCHR. Co-author of nearly two hundred publications, Professor Nithiarasu coordinates the computational biomedical modelling activities with the clinical colleagues in and around Swansea. He co-edits International Journal for Numerical Methods in Biomedical Engineering and co-chairs three international conferences.

Selected publications


  • EGIM06 - Computational Fluid Dynamics (14/15)
  • EG-323 - Finite Element Method (14/15)

Research theses supervised


  • 2014 - Computational Simulation of Mitral Valve Disease for Planning Surgical Treatment (1st Supervisor: Dr Clive Weston)
  • 2012 - An improved numerical model for systemic circulation to study high blood pressure and remodelling (2nd Supervisor: Dr Chenfeng Li)
  • 2012 - A novel dual time stepping approach in fluid-structure interaction - application to biomedical problems. (1st Supervisor: Dr Igor Sazonov)
  • 2012 - A Semi-Geometric Variational Multiscale Method on Non-Nested Unstructured Meshes for the Simulation of Physiological Flows. (2nd Supervisor: Dr Igor Sazonov)
  • 2010 - Non-invasive and subject-specific extraction of arterial stiffness (1st Supervisor: Dr Raoul Van Loon)
  • 2008 - Implicit Deformable Models for Biomedical Image Segmentation (2nd Supervisor: Dr Igor Sazonov)
  • 2008 - Implicit Deformable Models for Biomedical Image Segmentation (2nd Supervisor: Dr Xianghua Xie)
  • 2006 - A locally conservative Galerkin approach for subject specific biobfluid dynamics (2nd Supervisor: Dr Raoul Van Loon)
  • 2006 - LES Modelling of jets (1st Supervisor: Professor Michael Edwards)
  • 2006 - Computational Fluid Dynamics in Mechantronics (1st Supervisor: Professor Paul Tucker)
  • 2006 - Quasi-Positive Families of Flux Continuous Finite Volumes Schemes in Two and Three Dimensions (1st Supervisor: Professor Michael Edwards)
  • 2005 - Low Reynolds number heat transfer prediction employing large Eddy Simulation for electronics geometrics (2nd Supervisor: Professor Oubay Hassan)
  • 2005 - Computational Aerodynamics and Aeroacoustics of Jet Noise. (1st Supervisor: Professor Paul Tucker)
  • 2005 - Experimental and Numerical study of an electro-osmotic flow-based heat spreader (2nd Supervisor: Professor Paul Tucker)
  • 2004 - Numerical Modelling of Electro -Osmotic flow through Micro-Channels (2nd Supervisor: Professor Paul Tucker)
  • 2004 - Families of Control-Volume Distributed CVD (MPFA) Finite Volume Schemes for the Porous Media Pressure Equation on Structured and Unstructured Grids (1st Supervisor: Professor Michael Edwards)
  • 2004 - Numerical Simulations of Unsteady Impinging Jet Flows (2nd Supervisor: Professor Kenneth Morgan)
  • 2004 - Numerical Simulations of Unsteady Impinging Jet Flows (2nd Supervisor: Professor Paul Tucker)
  • 2003 - Enhanced Characteristic Based Split Method for Solution of Viscoelastic Flows (2nd Supervisor: Professor Nigel Weatherill)
  • 2002 - A locally conservative Galerkin (LCG) finite element method for conservation equations using the CBS scheme (2nd Supervisor: Professor Oubay Hassan)
  • 2002 - The Characteristic Based Split (CBS) Scheme for laminar and turbulent incompressible flows simulations (2nd Supervisor: Professor Kenneth Morgan)
  • 2001 - A Study of the Characteristic Based Split scheme (CBS) considering the incorporation of speed up techniques. (2nd Supervisor: Professor Kenneth Morgan)
  • 2001 - Development of a Two-Surface Model in the Multi-laminate Framework for Soil (1st Supervisor: Professor Gyanendra Pande)


  • 2014 - Computational Simulation of Mitral Valve Disease for Planning Surgical Treatment (1st Supervisor: Dr Clive Weston)
  • 2010 - ''A One-dimensional Human Arterial Network Blood Flow Model with Applications to Stenoses and Aneurysms'' (2nd Supervisor: Dr Igor Sazonov)
  • 2008 - Computational Blood Flow Studies on Model and Realistic GeometriesFluid (2nd Supervisor: Dr Igor Sazonov)
  • 2008 - Rhinospirometry and Cottle Rhinospirometry as a means to evaluate the benefit of nasal septal surgery (1st Supervisor: Dr Keir Lewis)


  • 2009 - Non-Invasive and Inverse Property Estimation of Arterial Elasticity (2nd Supervisor: Dr Raoul Van Loon)
  • 2006 - One dimensional blood flow modelling with the Locally Conservative Galerkin (LCG) Method (2nd Supervisor: Professor Nigel Weatherill)
  • 2005 - Finite element solvers for interface problems (2nd Supervisor: Professor Paul Tucker)
  • 2005 - Computational Aeroacoustics. (1st Supervisor: Professor Paul Tucker)
  • 2005 - Computational of Jet flows using LES. (1st Supervisor: Professor Paul Tucker)


  • 2013 - CFD modelling of windscreen washer jets
  • 2013 - Finite element modelling of traffic flow
  • 2012 - 'The numerical simulation of Vortex induced vibration on a circular cylinder'
  • 2011 - 'Vascular Blood flow analysis'
  • 2011 - 'Simulation of a 2D incompressible unsteady flow and optimization using the modified cuckoo search (MCS) algorithm on a long span bridge wind panel design application'
  • 2010 - A variational multiscale finite element method using the characteristic based split scheme for the simulation of blood turbulence in the human carotid artery
  • 2010 - 'Blood modelling of diseased vessels inflicted with aneurysm'

Additional information

Professional qualifications

  • Fellow of the Institute of Mathematics and its Applications
  • Fellow of the Institution of Mechanical Engineers
  • Senior Member of AIAA
  • Chartered Mathematician
  • Chartered Engineer


Awards/ scholarships

  • EPSRC Advanced Research Fellowship, Oct.2006 - Sept.2011
  • Named raising star for highest percentate increase in total citations in Engineering by ""
  • O.C. Zienkiewicz Award to Young Scientists in Computational Engineering Sciences, European Community for Computational Methods in Applied Sciences (ECCOMAS). Presented during the ECCOMAS 2004 conference, Jyväskylä, Finland, July 24-28, 2004.
  • Zienkiewicz Silver Medal and Prize, Presented by Institution of Civil Engineers, London, 2002.
  • Most Outstanding Paper Award, MCB University Press, England - 1998, Int. J. Num. Meth. Heat Fluid Flow,(Coauthors N. Massarotti and O.C. Zienkiewicz).
  • First Rank Holder (MTech), University of Kerala
  • HRD Scholarships: MTech & PhD

Invited conferences

  • Keynote Lecture, IHTC-14, International Heat Transfer Conference, Aug. 8 - 13, 2010, Whasington D.C, USA.
  • Keynote Lecture, SACAM2010, Seventh South African Conference on Computational and Applied Mechanics, Jan10-13, 2010, Pretoria, South Africa.
  • Keynote Lecture, 35th National Conference on Fluid Mechanics and Fluid Power (FMFP), Bangalore, December 11-13, 2008.
  • Keynote Lecture, Flow and Heat Transfer in Micro-channels. Electro-osmotic flow (EOF), EUROTHERM 2008, Eindhoven, May 19-22, 2008.
  • Keynote Lecture, Conceptual design, analysis and fabrication of a micro-cooling system for thermal management of electronic equipment, PLMSS Conference, IISc Bangalore, Dec.18, 2006
  • Keynote Lecture, A unified approach to fluid dynamics, Keynote Lecture, CFD Symposium, NAL Bangalore, August 2006.
  • Keynote Lecture, The finite element method for heat and fluid flow, International Heat Transfer conference IHTC – 13, 13 – 18 Aug, 2006.
  • Keynote Lecture, Fractional step methods for heat and fluid flow, HEFAT 2005, Cairo, Sept 18 – 22, 2005.
  • Keynote Lecture, Role of Numerical modelling in the compact heat exchanger analysis, 5th International Conference on Compact Heat Exchangers, British Colombia, Canada, Sept 2005.