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Flow through the artifitial heart valve
Šedivý, Dominik ; Pochylý, František (referee) ; Fialová, Simona (advisor)
The presented thesis solves a flow through the artificial heart valves. The thesis concerns with a historic development of mechanical heart valves and their basic parameters. It also includes a short research about Dynamic mesh module, which is contained within ANSYS Fluent. An experiment with a real mechanical heart valve was done within the diploma thesis and obtained data were compared with physiological ones. One part of this work was a design of 3D model of real heart valve replacement. The model was used for fluid dynamic computations using the Dynamic mesh of ANSYS Fluent software. In the end are the results of experimental part and numerical solutions used for few suggestions that could improve the function of the artificial heart valve.
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Solution of the unsteady motion of the body in the liquid flow
Zbavitel, Jan ; Kozák, Jiří (referee) ; Fialová, Simona (advisor)
The thesis deals with CFD solution of flow through mechanical heart valves. The opening part includes a research on the negative impacts of implantation of artificial heart valves and the common approaches used in their modeling. This is followed by a detailed analysis of the dynamic mesh functionality and CFD solution is performed using the open-source library FOAM-extend. Part of the thesis focuses on evaluation of the geometry modifications from the perspective of forming the instabilities of the current and the course of force effects on the valve.
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Experimental stand for mechanical heart valves
Ermis, Martin ; Kůrečka, Jan (referee) ; Šedivý, Dominik (advisor)
The thesis focuses on experimental stand for mechanical heart valves. It consists of brief research about cardiovascular system and artificial heart valves. Another part of the thesis is report about measurement made on the stand. This is followed by analysis of other experimental stands in the world and suggestions for improvement of current stand in the laboratory of Victor Kaplan Department of Fluid Engineering.
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Solution of the unsteady motion of the body in the liquid flow
Zbavitel, Jan ; Kozák, Jiří (referee) ; Fialová, Simona (advisor)
The thesis deals with CFD solution of flow through mechanical heart valves. The opening part includes a research on the negative impacts of implantation of artificial heart valves and the common approaches used in their modeling. This is followed by a detailed analysis of the dynamic mesh functionality and CFD solution is performed using the open-source library FOAM-extend. Part of the thesis focuses on evaluation of the geometry modifications from the perspective of forming the instabilities of the current and the course of force effects on the valve.
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Experimental stand for mechanical heart valves
Ermis, Martin ; Kůrečka, Jan (referee) ; Šedivý, Dominik (advisor)
The thesis focuses on experimental stand for mechanical heart valves. It consists of brief research about cardiovascular system and artificial heart valves. Another part of the thesis is report about measurement made on the stand. This is followed by analysis of other experimental stands in the world and suggestions for improvement of current stand in the laboratory of Victor Kaplan Department of Fluid Engineering.
|
|
|
Flow through the artifitial heart valve
Šedivý, Dominik ; Pochylý, František (referee) ; Fialová, Simona (advisor)
The presented thesis solves a flow through the artificial heart valves. The thesis concerns with a historic development of mechanical heart valves and their basic parameters. It also includes a short research about Dynamic mesh module, which is contained within ANSYS Fluent. An experiment with a real mechanical heart valve was done within the diploma thesis and obtained data were compared with physiological ones. One part of this work was a design of 3D model of real heart valve replacement. The model was used for fluid dynamic computations using the Dynamic mesh of ANSYS Fluent software. In the end are the results of experimental part and numerical solutions used for few suggestions that could improve the function of the artificial heart valve.
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