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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Stress-strain analysis of arterial aneurysms
 Tesařová, Petra ; Skácel, Pavel (referee) ; Burša, Jiří (advisor)
The diploma thesis is focused on the creation of the aneurysm finite element model and the making of the aneurysm wall stess-strain analysis using ANSYS software. The model of abdominal aortic aneurysm geometry starts from the CT scan of the particular patient. In the thesis there are compared two chosen constitutive models, each of them appears from different mechanical tests done on human arterial fibre samples. Furthermore, a limiting condition for aneurysm wall structure damage is expressed. On the basis of the results of stress calculation in the aneurysm wall and the limiting condition, the safety coefficient and rupture factors risk are worked out.
Detailed record
Analysis of influence of length dimensions on stress-strain states of press-fitted thin-walled and thick-walled cylindrical bodies
 Janýška, Jakub ; Kovář, Jaroslav (referee) ; Šebek, František (advisor)
This work deals with the analysis of the influence of length dimensions on the stress-strain states of pressed-fitted thin-walled and thick-walled cylindrical bodies. It includes a research of press-fit connections and their use. Derivation of basic analytical models of axisymmetric bodies that can be used to solve the problem of press-fitted hub to shaft. Analytical solution of the problem and its comparison with the numerical solution in ANSYS. The comparison includes both frictionless and friction model.
Detailed record
Stress-strain analysis of arterial aneurysms
 Tesařová, Petra ; Skácel, Pavel (referee) ; Burša, Jiří (advisor)
The diploma thesis is focused on the creation of the aneurysm finite element model and the making of the aneurysm wall stess-strain analysis using ANSYS software. The model of abdominal aortic aneurysm geometry starts from the CT scan of the particular patient. In the thesis there are compared two chosen constitutive models, each of them appears from different mechanical tests done on human arterial fibre samples. Furthermore, a limiting condition for aneurysm wall structure damage is expressed. On the basis of the results of stress calculation in the aneurysm wall and the limiting condition, the safety coefficient and rupture factors risk are worked out.
Detailed record

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