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Simulation of a Knee Joint Replacement During a Gait Cycle Using Finite Element Analysis and Verifying the Results by Experimental Knee Simulator
, M.Sc. Thesis Sharif University of Technology ; Firoozbakhsh, Keikhosrow (Supervisor) ; Farahmand, Farzam (Supervisor) ; Narimani, Roya (Supervisor)
Abstract
In knee injuries that may not have the ability to improve and knee function is disturbed, usually total knee replacement surgery is performed. There are several ways in order to study the effect of different parameters and how the parameters affect the total knee disability, including removal from the patient body, laboratory studies and computer simulations. Study of damaged prosthesis from viewpoint of availability and laboratory ones from cost and duration of time encounter with problems, so the computer simulation have priority. In this project, a dynamic model of a total knee prosthesis during gait cycle has been developed with the help of finite element software. In this project,...
Comparison between triangular and hexagonal modeling of a hexagonal-structured reactor core using box method
, Article Annals of Nuclear Energy ; Volume 38, Issue 2-3 , February–March , 2011 , Pages 371-378 ; 03064549 (ISSN) ; Moghaddam, N. M ; Zahedinejad, E ; Sharif University of Technology
2011
Abstract
A hexagonal-structured reactor core (e.g. VVER-type) is mostly modeled by structured triangular and hexagonal mesh zones. Although both the triangular and hexagonal models give good approximations over the neutronic calculation of the core, there are some differences between them that seem necessary to be clarified. For this purpose, the neutronic calculations of a hexagonal-structured reactor core have to be performed using the structured triangular and hexagonal meshes based on box method of discretisation and then the results of two models should be benchmarked in different cases. In this paper, the box method of discretisation is derived for triangular and hexagonal meshes. Then, two 2-D...