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EN
Computed tomography is one of the most popular and basic methods of imaging of bone structures and human tissue. It is also an essential tool for the virtual treatment planning. It allows to obtain the actual and realistic patient jaw model and simulate the preclinical tests.
EN
This paper describes through computer simulation the utilization of the interstitial microwave hyperthermia in the treatment of pathological tissues. Electromagnetic field, radiated from coaxial-slot antenna is used to produce a temperature gradient in human tissue. Therefore the presented issue is a coupling of the electromagnetic field and the temperature field. For simplification a 2D model is considered. In order to conduct a full investigation of the temperature variation in the computational domain, Pennes equation, which takes into account blood perfusion rate, heat conduction effects of the tissue, heat generation due to metabolic processes and external heat sources, is solved. The microwave antenna is designed to operate at 2.45 GHz. Influence of the blood perfusion rate on temperature distribution in human tissue is investigated and at the end simulation results are presented.
4
Content available remote Modelling of light and human skin interaction using Kubelka-Munk theory
EN
The numerical analysis of thermal processes and light distribution in human skin is presented. The Kubelka-Munk theory has been used for modeling diffused light in tissue, while the Arrhenius scheme for modeling coagulation changes in human skin. At the stage of numerical realization, the boundary element method has been used. In the final part of the paper, the results obtained are presented.
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