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RISOn Assessing the Quality of Particle Tracking Through Computational Fluid Dynamic Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Quantification of particle deposition patterns, transit times, and shear exposure is important for computational fluid dynamic (CFD) studies involving respiratory and arterial models. To numerically ...
On the Relative Importance of Rheology for Image-Based CFD Models of the Carotid Bifurcation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Background: Patient-specific computational fluid dynamics (CFD) models derived from medical images often require simplifying assumptions to render the simulations conceptually or computationally ...
Finite-Element Modeling of the Hemodynamics of Stented Aneurysms
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Background . Computational fluid dynamics (CFD) simulations are used to analyze the wall shear stress distribution and flow streamlines near the throat of a stented basilar side-wall aneurysm. ...
Inlet Conditions for Image-Based CFD Models of the Carotid Bifurcation: Is it Reasonable to Assume Fully Developed Flow?
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Background: Computational fluid dynamics tools are useful for their ability to model patient specific data relevant to the genesis and progression of atherosclerosis, but unavailable to measurement ...
A Dual-Pressure Boundary Condition for use in Simulations of Bifurcating Conduits
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A dual-pressure boundary condition has been developed for computational modelling of bifurcating conduits. The condition involves the imposition of a constant pressure on one branch while adjusting ...
Use of Factor Analysis to Characterize Arterial Geometry and Predict Hemodynamic Risk: Application to the Human Carotid Bifurcation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: The detailed geometry of atherosclerosis-prone vascular segments may influence their susceptibility by mediating local hemodynamics. An appreciation of the role of specific geometric variables is ...
Correlations Among Indicators of Disturbed Flow at the Normal Carotid Bifurcation
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: A variety of hemodynamic wall parameters (HWP) has been proposed over the years to quantify hemodynamic disturbances as potential predictors or indicators of vascular wall dysfunction. The aim ...
Effect of Common Carotid Artery Inlet Length on Normal Carotid Bifurcation Hemodynamics
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Controversy exists regarding the suitability of fully developed versus measured inlet velocity profiles for image-based computational fluid dynamics (CFD) studies of carotid bifurcation hemodynamics. ...
Carotid Bifurcation Hemodynamics in Older Adults: Effect of Measured Versus Assumed Flow Waveform
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Recent work has illuminated differences in carotid artery blood flow rate dynamics of older versus young adults. To what degree flow waveform shape, and indeed the use of measured versus assumed ...
PIV-Measured Versus CFD-Predicted Flow Dynamics in Anatomically Realistic Cerebral Aneurysm Models
Publisher: The American Society of Mechanical Engineers (ASME)
Abstract: Computational fluid dynamics (CFD) modeling of nominally patient-specific cerebral aneurysms is increasingly being used as a research tool to further understand the development, prognosis, and ...