Thèses sur le sujet « Cardiovascular fluid mechanic »
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Rose, Michael Leon James. « Development of a muscle powered blood pump fluid mechanic considerations / ». Thesis, Connect to electronic version, 1998. http://hdl.handle.net/1905/190.
Texte intégralThesis submitted to the Department of Cardiac Surgery, Faculty of Medicine, University of Glasgow, in fulfilment of the degree of Doctor of Philosophy. Print version also available.
Subramaniam, Dhananjay Radhakrishnan. « Role of Elasticity in Respiratory and Cardiovascular Flow ». University of Cincinnati / OhioLINK, 2018. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1522054562050044.
Texte intégralBottom, Karen Evelyn 1975. « A numerical model of cardiovascular fluid mechanics during external cardiac assist ». Thesis, Massachusetts Institute of Technology, 1999. http://hdl.handle.net/1721.1/9405.
Texte intégralYousefi, Koupaei Atieh. « Biomechanical Interaction Between Fluid Flow and Biomaterials : Applications in Cardiovascular and Ocular Biomechanics ». The Ohio State University, 2020. http://rave.ohiolink.edu/etdc/view?acc_num=osu1595335168435434.
Texte intégralGe, Liang. « Numerical Simulation of 3D, Complex, Turbulent Flows with Unsteady Coherent Structures : From Hydraulics to Cardiovascular Fluid Mechanics ». Diss., Available online, Georgia Institute of Technology, 2004:, 2004. http://etd.gatech.edu/theses/available/etd-11162004-125756/unrestricted/ge%5Fliang%5F200412%5Fphd.pdf.
Texte intégralYoganathan, Ajit, Committee Member ; Sturm, Terry, Committee Member ; Webster, Donald, Committee Member ; Roberts, Philip, Committee Member ; Sotiropoulos, Fotis, Committee Chair ; Fritz, Hermann, Committee Member. Includes bibliographical references.
Salman, Huseyin Enes. « Investigation Of Fluid Structure Interaction In Cardiovascular System From Diagnostic And Pathological Perspective ». Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614388/index.pdf.
Texte intégralFan, Yi, et 樊怡. « The applications of computational fluid dynamics to the cardiovascularsystem and the respiratory system ». Thesis, The University of Hong Kong (Pokfulam, Hong Kong), 2011. http://hub.hku.hk/bib/B47753195.
Texte intégralpublished_or_final_version
Mechanical Engineering
Master
Master of Philosophy
Doyle, Matthew Gerard. « Simulation of Myocardium Motion and Blood Flow in the Heart with Fluid-Structure Interaction ». Thesis, Université d'Ottawa / University of Ottawa, 2011. http://hdl.handle.net/10393/20166.
Texte intégralRestrepo, Pelaez Maria. « Development of a coupled geometrical multiscale solver and application to single ventricle surgical planning ». Diss., Georgia Institute of Technology, 2015. http://hdl.handle.net/1853/54832.
Texte intégralMartorell, López Jordi. « Correlation between cardiovascular disease biomarkers and biochemical and physical milieu in complex vascular environments ». Doctoral thesis, Universitat Ramon Llull, 2013. http://hdl.handle.net/10803/125238.
Texte intégralLa progresión de la aterosclerosis y la trombosis en pacientes con riesgo de enfermedad cardiovascular depende en gran medida del entorno único a nivel físico y bioquímico de cada individuo. Características tales como la arquitectura de la vasculatura, composición bioquímica de la sangre o el tipo de tratamiento definen el resultado de las intervenciones cardiovasculares. La colocación de un stent o de un bypass busca recuperar la permeabilidad del vaso, pero se ve limitada por la restenosis y la trombosis. El diseño de modelos multi-escala específicos para cada paciente puede ayudar a entender la progresión de estos eventos al tener capacidad para integrar las respuestas celulares microscópicas en el contexto del flujo macroscópico y de las condiciones estructurales. Dichos modelos pueden proporcionar información sobre cómo mitigar respuestas adversas en función de cada individuo. Usando métodos in silico e in vitro previamente validados se ha desarrollado una plataforma de replicación arterial para reproducir bifurcaciones vasculares coronarias y carótidas derivadas de imágenes clínicas, que se han usado para generar archivos computacionales para análisis in silico por un lado y para fabricar modelos arteriales poliméricos biocompatibles para análisis in vitro por otro. En paralelo con las simulaciones de flujo, los modelos físicos fueron sembrados con células vasculares centrales en la hemostasia y la respuesta a las lesiones. Los modelos vasculares fueron expuestos a flujos fisiológicos relevantes y a entornos urémicos, inflamatorios o anti proliferativos. Tras la caracterización funcional de los modelos, el progreso de la aterosclerosis y la trombosis se cuantificó a nivel local y se correlacionó con las características biológicas, químicas y físicas del entorno celular. La cantidad de recirculación y la presencia de agentes inflamatorios, productos químicos anti proliferativos y de suero y solutos urémicos fueron críticos para la activación de los biomarcadores de evolución de aterosclerosis y trombosis. Plataformas integradas tales como la descrita en esta tesis podrían ser muy útiles en una variedad de campos de la biomedicina. La plataforma puede ayudar a los investigadores a responder una serie de cuestiones biológicas clínicamente relevantes y tiene la capacidad de producir injertos vasculares bioimplantables en un futuro próximo.
Progression of atherosclerosis and thrombosis in patients at risk of cardiovascular disease depend heavily upon the unique physical and biochemical environment of each individual. Characteristics such as vessel architecture, biochemical composition of blood or type of treatment define the outcome of cardiovascular interventions. Stent placement and graft positioning seek to recover vessel patency, yet are limited by restenosis and thrombosis. Composite, patient-specific, multi-scale models able to integrate microscopic cellular responses in the context of relevant macroscopic flow and structural conditions may help understand the progression of these events, providing insight into how to mitigate adverse responses in specific settings and individuals. Based on previously validated in silico and in vitro methods, an arterial replication platform was developed. Vascular architectures from coronary and carotid bifurcations were derived from clinical imaging and used to generate conjoint computational meshing for in silico analysis and polymeric, biocompatible scaffolds for in vitro models. In parallel with three dimensional flow simulations, the geometrically-realistic constructs were seeded with vascular cells critical to vessel hemostasis and response to injury and exposed to relevant, physiologic flows and uremic, inflammatory or anti-proliferative conditions. Following functional characterization, in vitro surrogates of atherosclerotic and thrombogenic progression were locally quantified and correlated with the biological, chemical and physical characteristics of the cellular environment. The extent of recirculation and the presence of inflammatory agents, anti-proliferative chemicals and uremic serum and solutes were critical to the activation of atherosclerosis and thrombosis progression biomarkers. Integrated frameworks such as the one described in this thesis could be very useful in a range of biomedical fields. The platform may help researchers to answer an array of biological and clinically relevant questions and holds the capacity to cast bioimplantable vascular grafts in a close future.
Golbert, Daniel Reis. « Método de lattice Boltzmann em hemodinâmica computacional : interações fluido-estrutura e modelos acoplados 1D-3D ». Laboratório de Computação Científica, 2013. https://tede.lncc.br/handle/tede/162.
Texte intégralO objetivo deste trabalho é estudar a modelagem do escoamento de fluidos incompressíveis, visando modelar a hemodinâmica presente no sistema cardiovascular humano. Para tanto, vamos usar método de lattice Boltzmann (LBM), baseado na cinética mesoscópica, que permite simular o comportamento macro-contínuo da dinâmica de fluidos. Acoplado a este método, será usado um método de fronteira imersa para modelar as interações entre fluido e estrutura (como ocorre entre o sangue e a parede arterial). Ainda, visando a modelagem de condições fisiológicas realistas, será empregada uma abordagem de acoplamento de modelos dimensionalmente heterogêneos. Para isto serão desenvolvidos algoritmos para acoplar o LBM com um método de diferenças finitas, para a modelagem unidimensional do escoamento de sangue em vasos deformáveis. Serão detalhados diversos aspectos e desenvolvimentos teóricos dos métodos introduzidos e faremos estudos de caráter numérico, através de simulações de problemas estacionários e transientes, cujas características são similares às encontradas na modelagem do escoamento sanguíneo em artérias. Visando prover técnicas e orientações para a modelagem do escoamento sanguíneo no sistema arterial em regime fisiológico de forma acurada e computacionalmente eficiente por meio do uso do LBM.
D, Souza Gavin A. « Influence of Serial Coronary Stenoses on Diagnostic Parameters : An In-vitro Study with Numerical Validation ». University of Cincinnati / OhioLINK, 2014. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1397234083.
Texte intégralCollin, Sophie. « Preoperative planning and simulation for artificial heart implantation surgery ». Thesis, Rennes 1, 2018. http://www.theses.fr/2018REN1S025/document.
Texte intégralMechanical Circulatory Support (MCS) therapy is increasingly considered for patients with advanced heart failure unresponsive to optimal medical treatments. In this context, we: 1) presented an overview of clinical issues raised by MCS implantation, 2) designed a novel computer-assisted approach for planning the implantation, 3) implemented a CFD model to understand the ventricle hemodynamics induced by the inflow cannula pose. With the aim of decreasing complications and morbidity, quantitative criteria for optimizing ventricle unloading could be determined through CFD, and the planning approach may provide valuable information for choosing the device and adapting the clinical strategy
Yun, Brian Min. « Simulations of pulsatile flow through bileaflet mechanical heart valves using a suspension flow model : to assess blood damage ». Diss., Georgia Institute of Technology, 2013. http://hdl.handle.net/1853/53378.
Texte intégralRahman, Roussel. « Analysis and Sensitivity Study of Zero-Dimensional Modeling of Human Blood Circulation Network ». Wright State University / OhioLINK, 2017. http://rave.ohiolink.edu/etdc/view?acc_num=wright1494769445938849.
Texte intégralDyverfeldt, Petter. « Extending MRI to the Quantification of Turbulence Intensity ». Doctoral thesis, Linköpings universitet, Centrum för medicinsk bildvetenskap och visualisering, CMIV, 2010. http://urn.kb.se/resolve?urn=urn:nbn:se:liu:diva-52561.
Texte intégralBozsak, Franz. « Optimisation de stents actifs ». Phd thesis, Ecole Polytechnique X, 2013. http://pastel.archives-ouvertes.fr/pastel-00858100.
Texte intégralSchjodt, Kathleen. « Patient-Specific Computer Modeling of Blood Flow in Cerebral Arteries With Aneurysm and Stent ». Thesis, 2012. http://hdl.handle.net/1911/64699.
Texte intégralLightstone, Noam S. « Design of a Bioreactor to Mimic Hemodynamic Shear Stresses on Endothelial Cells in Microfluidic Systems ». Thesis, 2014. http://hdl.handle.net/1807/65572.
Texte intégralMalá, Irena. « Časná pooperační péče u pacienta s levostrannou mechanickou srdeční podporou HeartMate II ». Master's thesis, 2013. http://www.nusl.cz/ntk/nusl-324071.
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