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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Influence of exostoses on ear sound transfer function
 Vališová, Šárka ; Švancara, Pavel (referee) ; Pellant, Karel (advisor)
Exostoses are surface periosteophyte inside the external auditory canal of the human ear. The main objective of the diploma thesis is to determine the potencial impact of the narrowing of external auditory canal by exostoses on the mechanical sound transmission into the internal ear. The task was solved by FEM modelling in the ANSYS system. The simple finite element 2D model of the normal human ear was used and it has been taken from the diploma thesis B Ouali: Development of 2D finite element model of human ear (BUT Brno, 2009). At the model, including the external ear canal, elastic eardrum, otitis cavity with otitis ossicles and the cavity of the internal ear with internal ear partition, the alterations simulating different size of narrowing a and different positionig of exostoses were done. The influence of the exostoses on the sound transfer characteristics for air sound transmission and for bone sound transmission was discused. The results were analysed and compared with audiology.
Detailed record
Influence of exostoses on ear sound transfer function
 Vališová, Šárka ; Švancara, Pavel (referee) ; Pellant, Karel (advisor)
Exostoses are surface periosteophyte inside the external auditory canal of the human ear. The main objective of the diploma thesis is to determine the potencial impact of the narrowing of external auditory canal by exostoses on the mechanical sound transmission into the internal ear. The task was solved by FEM modelling in the ANSYS system. The simple finite element 2D model of the normal human ear was used and it has been taken from the diploma thesis B Ouali: Development of 2D finite element model of human ear (BUT Brno, 2009). At the model, including the external ear canal, elastic eardrum, otitis cavity with otitis ossicles and the cavity of the internal ear with internal ear partition, the alterations simulating different size of narrowing a and different positionig of exostoses were done. The influence of the exostoses on the sound transfer characteristics for air sound transmission and for bone sound transmission was discused. The results were analysed and compared with audiology.
Detailed record
Vliv patologických změn ve vnitřním a středním uchu na kostní vedení zvukových vln
Kostřica, Rom ; Šikula, Josef ; Fakultní nemocnice u svaté Anny (Brno, Česko)
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