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  • The topic of the project is the development of new mathematical models of vocal folds vibration in interaction with airflow, based on the latest advances in the numerical methods suitable for modelling of flow-structure interaction problems by Finite Element Method (FEM). The unsteady viscous airflow will be described by the unsteady Navier-Stokes equations and because of large amplitudes of vocal fold vibrations the moving grids for the flow field will be considered using the Arbitrary Lagrangian Eulerian (ALE) method. Suitable stabilization procedure of the numerical schemes will be developed as well as the robustness of the solution. The aim of the project is to develop new, more complex and realistic models that should result in numerical simulations of self-oscillations of the vocal folds excited by airflow. This will enable to model also various pathological changes in the vocal fold tissue, and some post surgery states in relation to the changes of the airflow and vocal folds vibration regimes (en)
  • Na bázi MKP vyvinout komplexní, reálný počítačový model hlasivek člověka umožňující numerické simulace jejich kmitů v interakci s proudem vzduchu s výhledem na diagnostiku hlasových poruch, modelování patologických stavů a vývoj hlasivkových protéz.
Title
  • Modelling of voice production based on biomechanics (en)
  • Modelování tvorby hlasu založené na biomechanice
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  • OC09019
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  • biomechanics of human voice; aeroelasticity; finite element method; flow-structure interaction; modelling of unsteady flow of a real fluid; numerical simulations; speech acoustics; phoniatry; phonetics; modelling of voice disorders. (en)
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  • Byla vyvinuta metoda pro numerické simulace proudění viskózní tekutiny v interakci se samobuzeně se rozkmitávajícími hlasivkami . Výsledky udávají minimální subglottický tlak a průtočné množství vzduchu nutné pro vznik fonace. (cs)
  • Method of numerical simulation of viscous flow in interaction with self-oscillating vocal folds in airflow coming from the human lungs was developed. The results give the minimal subglottal pressure and airflow rate needed for the phonation onset. (en)
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  • biomechanics of human voice
  • aeroelasticity
  • finite element method
  • numerical simulations
  • phonetics
  • flow-structure interaction
  • modelling of unsteady flow of a real fluid
  • phoniatry
  • speech acoustics
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