blood flows
State estimation with nonlinear reduced models. Application to the reconstruction of blood flows with Doppler ultrasound images
... The paper is organized as follows, in section 2 we describe mathematically what we understand by state estimation problems and reconstruction algorithms (section 2.1). We discuss what is known about optimal algorithms ...
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Numerical stability of coupling schemes in the 3d/0d modelling ofairflows and blood flows
... AND BLOOD FLOWS JUSTINE FOUCHET-INCAUX, CÉLINE GRANDMONT, AND SÉBASTIEN MARTIN ...and blood flows and investigate the numerical stability of some discretization ...air/blood ...
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Continuous and semi-discrete stability estimates for 3d/0d coupled systems modelling airflows and blood flows
... or blood surgery [12]. Nevertheless, direct simulations of 3D flows in geometries such as the tracheo-bronchial tree or the arterial network are limited by the fol- lowing constraints: since the whole ...
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An in vitro study of highly confined blood flows: From single bifurcations to 2D-networks
... confined blood flows: From single bifurcations to 2D-networks Merlo, Adlan and Berg, Maxime and Duru, Paul and Lorthois, Sylvie An in vitro study of highly confined blood flows: From single ...
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Group-wise Construction of Reduced Models for Understanding and Characterization of Pulmonary Blood Flows from Medical Images
... Among others, in (Manzoni et al., 2011), the authors propose to extract a low dimensional parametrization of the computational domain and solve the parameterized flow equations with the reduced basis method. This work is ...
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ANGIOTK : An Open Platform to reconstruct vessels from MRI images and simulate blood flows to ultimately provide Virtual Angiographies
... ANGIOTK : An Open Platform to reconstruct vessels from MRI images and simulate blood flows to ultimately provide Virtual Angiographies.. Rencontre Inria Industrie Santé, Oct 2015, Bordea[r] ...
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Pressure Boundary Conditions for Blood Flows
... of blood flows in arteries require numerical solutions of fluid-structure interactions involving Navier-Stokes equations coupled with large displacement visco-elasticity for the ...
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Phasic hemodynamics and reverse blood flows in the aortic isthmus and pulmonary arteries of preterm lambs with pulmonary vascular dysfunction
... the blood pressure from rising (1, 3, 4, 22, 23), and the well-documented increase in arterial imped- ance was observed in the hypoplastic ...reverse flows, and the isthmic flow changed to the forward ...
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Artificial boundaries and formulations for the incompressible Navier-Stokes equations. Applications to air and blood flows.
... ( u n · n if u n · n < 0, 0 otherwise. It has some advantages: accuracy, robustness, it is easy to implement, and there is no additional computational cost. It has also some disadvantages: β is an adjustable ...
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Fluid-Structure Interaction in Blood Flows on Geometries coming from Medical Imaging
... Unité de recherche INRIA Rocquencourt Domaine de Voluceau - Rocquencourt - BP 105 - 78153 Le Chesnay Cedex France Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy-Brabois -[r] ...
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Atlas-Based Reduced Models of Blood Flows for Fast Patient-Specific Simulations
... The length of time to compute the flow simulations were between 15 − 20 mins for a blood cycle. The obtained error curves for the four patients are shown in fig. 6. In three of the four cases, we obtained ...
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A Quasi-Newton Algorithm Based on a Reduced Model for Fluid-Structure Interaction Problems in Blood Flows
... Unité de recherche INRIA Rocquencourt Domaine de Voluceau - Rocquencourt - BP 105 - 78153 Le Chesnay Cedex France Unité de recherche INRIA Lorraine : LORIA, Technopôle de Nancy-Brabois -[r] ...
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A New Approach to Model Confined Suspensions Flows in Complex Networks: Application to Blood Flow
... of blood flows confined in micro-channels or micro-capillary beds depends on the interactions between the cell-phase, plasma and the complex geometry of the ...red blood cell’s volume density in each ...
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A coaxial coupled model of cerebral flows: blood and cerebrospinal fluid
... (CSF) flows in the cerebral sub-arachnoid spaces, and its coupling with the entire cerebral blood flow vascular ...the blood and CSF ...CSF flows of the literature (between 2 and 5 cm 3 ...the ...
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The effect of changing arterial blood pressure and carbon dioxide on cerebral blood flow.
... arterial blood pressure, moderate hypotension and severe ...regional blood flow of the exposed cerebral cortex using radioactive krypton injected in the internal carotid artery 3 ...
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Red blood cells injuries and hypersegmented neutrophils in COVID-19 peripheral blood film
... Red blood cells, hypersegmented neutrophils, COVID-19, inflammation, oxidative ...peripheral blood films of 15 COVID-19 patients ...admission. Blood tests showed raised inflammatory markers (C- ...
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On the surface equations in two-phase flows and reacting single-phase flows
... droplet flows), and we will not discuss of it in details, because this approach has been largely discussed in previous papers (Guido-Lavalle & Clausse, 1991; Kalkach-Navarro et ...dispersed flows has ...
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Entropic Wasserstein Gradient Flows
... GRADIENT FLOWS GABRIEL PEYR´ E ∗ ...gradient flows for opti- mal transport (i.e. Wasserstein) metrics. These flows have proved useful to tackle theoretically and numerically non-linear diffusion ...
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Bubbles and capital flows
... By shifting investments towards countries with high productivity, asset price bubbles tend to make the world economy more sensitive to shocks in.. these countries and less sensitive to s[r] ...
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Active flows and networks
... Specifically, we demonstrate that a strategically placed gap induces weak chimera states in Kuramoto-type oscillator networks, tunes or suppresses pattern formation in[r] ...
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