Delayed Detached Eddy Simulation of Yacht Sails with Experimental Validation

Slide contents

• Outline of the presentation
• SAILDES project -1
• SAILDES project -2
• Experimental setup
• Numerical models
• DDES model
• Numerical setup
• Numerical models
• Numerical setup
• Numerical models
• Numerical setup
• HPC environment
• Scalability results
• Cp comparisons with uncertainty evaluation
• Q criterion comparisons: visualization -1
• Top view/Slide view
• Top spinnaker vortex details
• Q criterion comparisons: visualization -2
• DDES vs RANS
• Implications
• Future developments
• Acknowledgements
• Outline of the presentation
• INTRODUCTION ON CFD IN HEMODYNAMICS
• Contents
• Computational fluid dynamics: CFD
• Computer aided engineering workflow
• From physics to model by means of measures
• In vitro models
• Animal models
• In vivo image based measures
• Computational model
• CFD solver
• The CFD approach
• Domain-mesh--cell
• Discretization
• CFD concept-1
• CFD concept-2
• A tasking environment: geometry
• A tasking environment: physics
• A tasking environment: knowledge
• A tasking environment: math/numeric and tech
• How should I use my computational tools
• Blood fluid dynamics: theory, equations and examples
• Physic of blood
• Blood density
• Blood viscosity
• Blood is Newtonian and non Newtonian
• Reynolds number
• Effect of Reynolds number -1
• Effect of Reynolds number -2
• Womersley number
• Effect of Womersley number
• Womersley VS Reynolds
• Flow classifications
• Steady laminar flow in a cylinder
• Unsteady flow in a cylinder
• Effect of Womersley number
• Womersley solution
• Incompressible vs. compressible flow
• Single phase vs. multiphase flow & homogeneous vs. heterogeneous flow
• Blood working hypothesis
• Important features of blood as fluid
• Unimportant features of blood as fluid