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Delayed Detached Eddy Simulation of Yacht Sails with Experimental Validation
Published on Jan 06, 20142251 Views
Case-history on the balance between computational costs and insight benefits obtained by using advanced CFD modeling (Delayed Detached Eddy Simulations vs Reynolds Averaged NS) in sailing yachts aerod
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Chapter list
Delayed Detached Eddy Simulation of Yacht Sails with Experimental Validation00:00
Outline of the presentation05:06
SAILDES project - 105:37
SAILDES project - 206:33
Experimental setup08:57
Numerical models12:31
DDES model16:22
Numerical setup17:16
HPC environment19:34
Scalability results22:01
Cp comparisons with uncertainty evaluation24:12
Q criterion comparisons: visualization26:58
Top view and side view29:36
Top spinnaker vortex details31:12
Q criterion comparisons: visualization31:47
DDES vs RANS32:29
Implications34:18
Future developments36:02
Acknowledgments37:17
Introduction on CFD in hemodynamics37:55
Introduction on CFD in hemodynamics38:54
Computational fluid dynamics: CFD41:21
Computer aided engineering workflow43:32
From physics to model by means of measures45:19
In vitro models45:51
Animal models49:11
Computational model53:43
CFD solver54:07
The CFD approach55:12
Domain-mesh-cell55:36
Discretization55:48
CFD concept-156:10
CFD concept-257:05
A tasking environment: geometry57:32
A tasking environment: physics57:56
A tasking environment: knowledge58:31
In vivo image based measures59:14
A tasking environment: math/numeric and tech59:32
How should I use my computational tools01:00:10
Blood fluid dynamics: theory, equations and examples01:09:32
Physic of blood01:12:01
Blood density01:12:55
Blood viscosity01:13:38
Blood is Newtonian and non Newtonian01:14:32
Reynolds number01:14:58
Effect of Reynolds number - 101:15:58
Effect of Reynolds number - 201:16:14
Womersley number01:17:41
Womersley VS Reynolds01:19:58
Flow classifications01:20:15
Steady laminar flow in a cylinder01:21:24
Unsteady flow in a cylinder01:21:32
Effect of Womersley number01:21:45
Womersley solution01:21:54
Incompressible vs. compressible flow01:22:53
Single phase vs. multiphase flow & homogeneous vs. heterogeneous flow01:23:56
Blood working hypothesis01:24:29
Important features of blood as fluid01:26:30
Unimportant features of blood as fluid01:26:57
Equations of conservation01:27:43