HPC – the Perspective of a CFD Practitioner
  • prof. Antonio C.M. Sousa, University of Aveiro, University of Ljubljana
  • September 2013

Slide contents

  • HPC - the Perspective of a CFD Practitioner
  • Summary
  • Navier-Stokes Equations and CFD
  • History
  • The equatons
  • Additional governing equation
  • Example of an accompanying equation
  • CFD
  • CFD Challenges
  • CFD picture
  • CFD Chalenges - they are:
  • Realism vs. Accuracy
  • Pool fire
  • Realism vs. Accuracy - Underventilated Compartment Fire
  • Underventilated Compartment Fire
  • Realism vs. Accuracy - Fire with Soot Deposition
  • Fire with Soot Deposition
  • Two Examples of HPC Applications
  • Modelling of scramjet engine - Objective
  • Modelling of scramjet engine - What is a scramjet engine
  • Modelling of scramjet engine - Intergrated Physics of a Hypersonic Vehicle
  • Modelling of scramjet engine - Hypersonic scramjet Vehicle
  • Modelling of scramjet engine - A few unsolved problems
  • Modelling of scramjet engine - PSAAP researchers
  • Modelling of scramjet engine - Modelling and simulations
  • Massively parallel hybrid CFD solver for ocean applications-Objective
  • Massively parallel hybrid CFD solver for ocean applications-Motivation
  • Massively parallel hybrid CFD solver for ocean applications-EXN/Aero software
  • Massively parallel hybrid CFD solver for ocean applications-EXN platform
  • Massively parallel hybrid CFD solver for ocean applications-CFD application
  • Massively parallel hybrid CFD solver for ocean applications-EXN/Aero organization
  • Massively parallel hybrid CFD solver for ocean applications-Validation - Flow around an axis-symmetric submarine -1
  • Massively parallel hybrid CFD solver for ocean applications-Validation - Flow around an axis-symmetric submarine -2
  • Massively parallel hybrid CFD solver for ocean applications-Validation - Flow around an axis-symmetric submarine -3
  • Massively parallel hybrid CFD solver for ocean applications-Validation - Flow around an axis-symmetric submarine -4
  • Massively parallel hybrid CFD solver for ocean applications-Validation - CFD characterization of a tidal energy site -1
  • Massively parallel hybrid CFD solver for ocean applications-Validation - CFD characterization of a tidal energy site -2
  • Massively parallel hybrid CFD solver for ocean applications-Validation - CFD characterization of a tidal energy site -CFD grid design-1
  • Massively parallel hybrid CFD solver for ocean applications-Validation - CFD characterization of a tidal energy site -CFD grid design - 2
  • Massively parallel hybrid CFD solver for ocean applications-Validation - CFD characterization of a tidal energy site - Results
  • Massively parallel hybrid CFD solver for ocean applications-Validation - CFD characterization of a tidal energy site - Results - 2
  • Massively parallel hybrid CFD solver for ocean applications-Validation - CFD characterization of a tidal energy site - Results -3
  • Massively parallel hybrid CFD solver for ocean applications-Validation - CFD characterization of a tidal energy site - Speed-up
  • Where Are We?
  • HPC Facts Success
  • HPC personal view
  • Direct Numerical Simulation (DNS) - The Kolmogorov microscale - 1
  • Direct Numerical Simulation (DNS) - The Kolmogorov microscale - 2
  • HPC - personal view
  • HPC - personal view - and disappointment
  • HPC - personal view - LBM vs. Navier-Stokes solvers - Advantages
  • HPC - personal view - LBM vs. Navier-Stokes solvers - past disadvantages
  • Concluding remarks
  • Concluding remarks-1
  • Acknowledgement
  • END