Search Results - "Jansen, K. E"

Patient-Specific Modeling of Blood Flow and Pressure in Human Coronary Arteries by Kim, H. J, Vignon-Clementel, I. E, Coogan, J. S, Figueroa, C. A, Jansen, K. E, Taylor, C. A

“…Coronary flow is different from the flow in other parts of the arterial system because it is influenced by the contraction and relaxation of the heart. To…”
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On Coupling a Lumped Parameter Heart Model and a Three-Dimensional Finite Element Aorta Model by Kim, H. J., Vignon-Clementel, I. E., Figueroa, C. A., LaDisa, J. F., Jansen, K. E., Feinstein, J. A., Taylor, C. A.

“…Aortic flow and pressure result from the interactions between the heart and arterial system. In this work, we considered these interactions by utilizing a…”
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Incorporating Autoregulatory Mechanisms of the Cardiovascular System in Three-Dimensional Finite Element Models of Arterial Blood Flow by Kim, H. J, Jansen, K. E, Taylor, C. A

“…The cardiovascular system is a closed-loop system in which billions of vessels interact with each other, and it enables the control of the systemic arterial…”
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Augmented Lagrangian method for constraining the shape of velocity profiles at outlet boundaries for three-dimensional finite element simulations of blood flow by Kim, H.J., Figueroa, C.A., Hughes, T.J.R., Jansen, K.E., Taylor, C.A.

“…In three-dimensional blood flow simulations of the cardiovascular system, velocity and pressure fields in the computational domain are highly affected by…”
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Efficient anisotropic adaptive discretization of the cardiovascular system by Sahni, O., Müller, J., Jansen, K.E., Shephard, M.S., Taylor, C.A.

“…We present an anisotropic adaptive discretization method and demonstrate how computational efficiency can be increased when applying it to the simulation of…”
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Diabetes mellitus and its impact on long-term outcomes after coronary artery bypass graft surgery by Wit, M. A. M., de Mulder, M., Jansen, E. K., Umans, V. A. W. M.

“…Diabetes mellitus (DM) is an important risk factor for accelerated atherosclerosis and increases cardiovascular disease. Several studies found a higher…”
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Developing computational methods for three-dimensional finite element simulations of coronary blood flow by Kim, H.J., Vignon-Clementel, I.E., Figueroa, C.A., Jansen, K.E., Taylor, C.A.

“…Coronary artery disease contributes to a third of global deaths, afflicting seventeen million individuals in the United States alone. To understand the role of…”
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Long-term outcomes of isolated aortic valve replacement and concomitant AVR and coronary artery bypass grafting by de Waard, G. A., Jansen, E. K., de Mulder, M., Vonk, A. B. A., Umans, V. A.

“…Background It is well established that concomitant aortic valve replacement (AVR) and coronary artery bypass grafting (CABG) has a higher operative mortality…”
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Pulmonary abnormalities after cardiac surgery are better explained by atelectasis than by increased permeability oedema by Verheij, J., Van Lingen, A., Raijmakers, P. G. H. M., Spijkstra, J.-J., Girbes, A. R. J., Jansen, E. K., Van Den Berg, F. G., Groeneveld, A. B. J.

“…Background:  Cardiac surgery can be complicated by pulmonary abnormalities, but it is unclear how various manifestations interrelate. Methods:  A prospective…”
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Outflow boundary conditions for 3D simulations of non-periodic blood flow and pressure fields in deformable arteries by Vignon-Clementel, I.E., Figueroa, C.A., Jansen, K.E., Taylor, C.A.

“…The simulation of blood flow and pressure in arteries requires outflow boundary conditions that incorporate models of downstream domains. We previously…”
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Anisotropic adaptive finite element method for modelling blood flow by Müller, J., Sahni, O., Li, X., Jansen, K. E., Shephard, M. S., Taylor, C. A.

“…In this study, we present an adaptive anisotropic finite element method (FEM) and demonstrate how computational efficiency can be increased when applying the…”
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Integrated multiscale process simulation by Cale, T.S., Bloomfield, M.O., Richards, D.F., Jansen, K.E., Gobbert, M.K.

“…We summarize two approaches to integrated multiscale process simulation (IMPS), particularly relevant to integrated circuit (IC) fabrication, in which models…”
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A study on large bubble motion and liquid film in vertical pipes and inclined narrow channels by Behafarid, F., Jansen, K.E., Podowski, M.Z.

“…•New computational model was introduced for large bubbles moving in narrow conduits.•Different conduit geometries and orientations were studied.•The numerical…”
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Curved boundary layer meshing for adaptive viscous flow simulations by Sahni, O., Luo, X.J., Jansen, K.E., Shephard, M.S.

“…This paper presents an adaptive mesh control procedure suitable for use with high-order finite element methods to solve viscous flow problems. The procedure…”
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Minimally invasive intraoperative estimation of left-ventricular end-systolic elastance with phenylephrine as loading intervention by Boly, C.A., Reesink, K.D., van den Tol, M.P., Jansen, E.K., Westerhof, B.E., Boer, C., Bouwman, R.A.

“…Left-ventricular end-systolic elastance (Ees) is an index of cardiac contractility, but the invasive nature of its assessment has limited perioperative…”
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Sarcoidosis mimicking ischaemic ventricular arrhythmia and pulmonary embolism by DE JAGER, C. P. C, JESSURUN, E. R, JANSEN, E. K, VERHEIJ, J, GIRBES, A. R. J, VAN SCHIJNDEL, R. J. M. Strack

“…Sarcoidosis is a multisystem granulomatous disorder characterised pathologically by the presence of noncaseating granulomas in the organs involved. Cardiac…”
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Perivenous application of fibrin glue reduces early injury to the human saphenous vein graft wall in an ex vivo model by Stooker, W., Niessen, H.W.M., Wildevuur, W.R., van Hinsbergh, V.W.M., Fritz, J., Jansen, E.K., Wildevuur, Ch.R.H., Eijsman, L.

“…Objectives: From animal and clinical studies it is known that prevention of ‘overdistention’ of vein grafts by using extravascular support ameliorates the…”
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Surgical sealant in the prevention of early vein graft injury in an ex vivo model by Stooker, W., Niessen, H.W.M., Jansen, E.K., Fritz, J., Wildevuur, W.R., Van Hinsbergh, V.W.M., Wildevuur, R.H., Eijsman, L.

“…Background: The amelioration of the adaptation process (arterialisation) of the vein graft wall to the arterial circulation in coronary artery bypass surgery…”
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On the interaction between dynamic model dissipation and numerical dissipation due to streamline upwind/Petrov–Galerkin stabilization by Tejada-Martı́nez, Andrés E., Jansen, Kenneth E.

“…Here we investigate the roles of physical and numerical subgrid-scale modeling. The subgrid-scales are represented by a physical large-eddy simulation model,…”
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Hierarchical basis for stabilized finite element methods for compressible flows by Whiting, Christian H., Jansen, Kenneth E., Dey, Saikat

“…The quest for more accurate numerical simulations of the Navier–Stokes equations has motivated the study of high-order piecewise-polynomial basis functions,…”
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