Search Results - "Figueroa, C A"

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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External tissue support and fluid–structure simulation in blood flows by Moireau, P., Xiao, N., Astorino, M., Figueroa, C. A., Chapelle, D., Taylor, C. A., Gerbeau, J.-F.

“…The objective of this work is to address the formulation of an adequate model of the external tissue environment when studying a portion of the arterial tree…”
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Central Artery Hemodynamics in Angiotensin II-Induced Hypertension and Effects of Anesthesia by Hopper, S. E., Weiss, D., Mikush, N., Jiang, B., Spronck, B., Cavinato, C., Humphrey, J. D., Figueroa, C. A.

“…Systemic hypertension is a strong risk factor for cardiovascular, neurovascular, and renovascular diseases. Central artery stiffness is both an initiator and…”
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Quantification of regional differences in aortic stiffness in the aging human by Roccabianca, S., Figueroa, C.A., Tellides, G., Humphrey, J.D.

“…There has been a growing awareness over the past decade that stiffening of the aorta, and its attendant effects on hemodynamics, is both an indicator and…”
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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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Sequential identification of boundary support parameters in a fluid-structure vascular model using patient image data by Moireau, P., Bertoglio, C., Xiao, N., Figueroa, C. A., Taylor, C. A., Chapelle, D., Gerbeau, J.-F.

“…Viscoelastic support has been previously established as a valuable modeling ingredient to represent the effect of surrounding tissues and organs in a…”
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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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On the phonon dissipation contribution to nanoscale friction by direct contact by de Mello, S. R. Sales, da Costa, M. E. H. Maia, Menezes, C. M., Boeira, C. D., Freire Jr, F. L., Alvarez, F., Figueroa, C. A.

“…The friction phenomenon is a ubiquitous manifestation of nature. Models considering phononic, electronic, magnetic, and electrostatic interactions are invoked…”
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Influence of microstructure on the corrosion behavior of nitrocarburized AISI H13 tool steel obtained by pulsed DC plasma by Basso, R.L.O., Candal, R.J., Figueroa, C.A., Wisnivesky, D., Alvarez, F.

“…The influence of microstructure on the corrosion behavior of pulsed plasma nitrocarburized AISI H13 tool steel in NaCl 0.9 wt/V % solution is reported. The…”
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Sliding wear and friction behavior of CrN-coating in ethanol and oil–ethanol mixture by Bandeira, A.L., Trentin, R., Aguzzoli, C., Maia da Costa, M.E.H., Michels, A.F., Baumvol, I.J.R., Farias, M.C.M., Figueroa, C.A.

“…In this work, the friction and wear behavior of CrN-coating deposited on steel substrate was investigated under dry and lubricated sliding conditions. The…”
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Structure, composition, and mechanical characterization of dc sputtered TiN-MoS2 nanocomposite thin films by Strapasson, G., Badin, P.C., Soares, G.V., Machado, G., Figueroa, C.A., Hubler, R., Gasparin, A.L., Baumvol, I.J.R., Aguzzoli, C., Tentardini, E.K.

“…TiN-MoS2 composite thin films deposited by dc magnetron sputtering with MoS2 concentrations from 3 to 40at.% were investigated. The elementary composition and…”
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Self-organized nickel nanoparticles on nanostructured silicon substrate intermediated by a titanium oxynitride (TiNxOy) interface by Morales, M., Droppa, R., de Mello, S. R. S., Figueroa, C. A., Zanatta, A. R., Alvarez, F.

“…In this work we report an experimental approach by combining in situ sequential top-down and bottom-up processes to induce the organization of nanosized nickel…”
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Influence of the process temperature on the steel microstructure and hardening in pulsed plasma nitriding by Zagonel, L.F., Figueroa, C.A., Droppa, R., Alvarez, F.

“…In this paper we report the influence of temperature (260 to 510 °C) on the AISI H13 steel microstructure and hardness in pulsed plasma nitriding processes…”
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Physicochemical and mechanical properties of crystalline/amorphous CrN/Si3N4 multilayers by Soares, T.P., Aguzzoli, C., Soares, G.V., Figueroa, C.A., Baumvol, I.J.R.

“…We investigated the mechanical and physicochemical properties of CrN/Si3N4 multilayered coatings in the bilayer period interval from 2 to 10nm, produced by…”
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Wear mechanisms and microstructure of pulsed plasma nitrided AISI H13 tool steel by Leite, M.V., Figueroa, C.A., Gallo, S. Corujeira, Rovani, A.C., Basso, R.L.O., Mei, P.R., Baumvol, I.J.R., Sinatora, A.

“…AISI H13 tool steel discs were pulsed plasma nitrided during different times at a constant temperature of 400 °C. Wear tests were performed in order to study…”
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New pathways in plasma nitriding of metal alloys by Figueroa, C.A., Alvarez, F.

“…In this paper, we report the effects of oxygen, hydrogen, and deuterium on nitrogen implanted stainless steel AISI 316. The samples were studied in situ by…”
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Patient-specific modeling of cardiovascular mechanics by Taylor, C A, Figueroa, C A

“…Advances in numerical methods and three-dimensional imaging techniques have enabled the quantification of cardiovascular mechanics in subject-specific anatomic…”
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Carbon occupancy of interstitial sites in vanadium carbide films deposited by direct current reactive magnetron sputtering by Portolan, E., Amorim, C.L.G., Soares, G.V., Aguzzoli, C., Perottoni, C.A., Baumvol, I.J.R., Figueroa, C.A.

“…Vanadium carbide thin films were deposited on Si substrates by direct current reactive magnetron sputtering from a V target in Ar/CH 4 plasma, varying the…”
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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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Hydrogenated amorphous carbon thin films deposition by pulsed DC plasma enhanced by electrostatic confinement by Dufrène, S.M.M., Cemin, F., Soares, M.R.F., Aguzzoli, C., Maia da Costa, M.E.H., Baumvol, I.J.R., Figueroa, C.A.

“…Diamond-like carbon (DLC) is a metastable form of amorphous carbon with attractive properties such as high hardness, low friction, chemical inertness and high…”
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