wall shear-stress distribution
Wall Shear Stress Distribution Inside Growing Cerebral Aneurysm
... First, we determined the median point of the minimum triangle unit, constructing the STL surface as the WSS measurement object. Then, the normal vector was calculated, based on the coordinates of the triangle. Finally, ...
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Intra Aneurysmal Hemodynamics during the Growth of an Unruptured Aneurysm: In Vitro Study Using Longitudinal CT Angiogram Database
... brief, on the basis of the 3D surface data constructed from the source images of CT angiography, male casts of the MCA aneurysms were created with the use of rapid prototyping technology. The size of the male casts was ...
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Paper 09-2012-2
... This work presented an application of data mining methodology to a hemodynamic problem in which the relationship between geometric parameters, blood density, dynamic viscosity and blood velocity of the human carotid ...
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Correlation between Lumenal Geometry Changes and Hemodynamics in Fusiform Intracranial Aneurysms
... the wall shear stress plays a very important role in atherosclerosis (23, 24), it is not surprising that there is a significant difference in wall shear stress ...
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Wall shear stress from jetting cavitation bubbles
... maximum stress as a function of ...negative stress is found ahead of the spreading flow (starts from x ≈ 170 µm at t ≈ 135 µs, moves to x ≈ 420 µm at t ≈ 146 µs,), which is due to a reversed flow driven by ...
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Corrosion of Ductile Cast Iron Pipeline in a Water Supply Network Based on the Flow Field Changing
... flow distribution at the top and bottom of the pipe can be regarded as virtually identical considering the little influence of ...The wall shear stress distribution in the pipe fittings ...
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Stagnation-Point Pressure Distribution and Wall Shear Stress: Numerical Simulation and Similarity Solution
... similarity solution. As we increase the aspect ratio from D/W=1.5 to D/W=2 as shown in Fig. 3, the discrepancy of results from these two methods has been improved by about 50%. This can be seen even more clearly when we ...
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The stress distribution in a shear wall
... In the preceding ch~pter the comparison of the principal stress difference between the prototype 1 the photoelastic model and 1 for floor 3 1 the finite element analysis showed that 1 in[r] ...
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Evaluation of spatial distribution and characterization of wall shear stress in carotid sinus based on two-dimensional color Doppler imaging
... inner wall of two sub-vessels in the of the carotid bifurcation divides the blood flow into two tributaries, and the correspond- ing wall is subjected to the largest axial impact forming a high shear ...
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Hemodynamics of Cerebral Aneurysm Initiation: The Role of Wall Shear Stress and Spatial Wall Shear Stress Gradient
... per wall of this bifurcation, crossing over the sac of the already present small aneurysm beginning (Fig ...sure distribution was relatively increased in this area and more or less evenly distributed on the ...
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Electrothermal transport in biological systems : an analytical approach for electrokinetically modulated peristaltic flow
... temperature distribution, pressure difference, volumetric flow rate, skin friction (wall shear stress function) and Nusselt number (wall heat transfer rate) have been plotted using ...
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Sound radiation in turbulent channel flows
... dipole distribution related to the sum of the viscous shear stresses on the two walls, together with monopole and quadrupole distributions related to the unsteady turbulent dissipation and Reynolds stresses ...
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Study on the Analysis and Optimization of Brake Disc: A Review
... of shear walls has been ...with Shear Walls at the center core and at the center of each side of the external ...RC shear walls with fixed support conditionsThe usefulness of shear walls in ...
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ABSTRACT : A two-layer fluid model is proposed to study the transport of mucus in the trachea and air motion by
... prescribing shear stress at the mucus-air ...height. Shear stress distribution along the axial distance has been computed for different constriction ...flow, wall shear ...
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A coupled 1D film hydrodynamics and core gas flow model for air oil flows in aero engine bearing chambers
... simple shear- gravity balance within the film while the present study extends this work by including the effects of film inertia and other forces such as surface tension and pressure gradients which have been ...
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The Effect of Near Wall Vortices on Wall Shear Stress in Turbulent Boundary Layers
... the wall shear stress and near-wall vortices is ex- plored and the maximum correlation-value location of the near-wall vortices is ...
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The Measurement of Wall Shear Stress in the Low-Viscosity Liquids
... the wall shear stress was made first by Winter (1977) [9], subsequently by Hanratty, Campbell (1983) [10] and Haritonidis (1989) ...the shear rate, or alternatively the shear ...
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The Impact of Competitive Flow in Coronary Arteries
... In this section it can be discussed the comparison of the Newtonian and Non-Ne wtonian effect in the model. When the blood vessel is blocked 30% of cross -sectional area, the difference of veloc ity distribution ...
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Wall shear stress at the initiation site of cerebral aneurysms
... Journal of Biomechanics 471:178–185 Geers AJ, Morales HG, Larrabide I, Butakoff C, Bijlenga P, Frangi AF 2015a Wall shear stress at the initiation site of cerebral aneurysms: Distributio[r] ...
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Wall shear stress at the initiation site of cerebral aneurysms
... Wall shear stress at the initiation site of cerebral aneurysms ICA bifurcation 21 centerline split in branches surface mesh split in branches ACA MCA cross sections 1 and 2 MISR from bif[r] ...
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