• Turbulence. The physical significance of turbulence, random nature of turbulence, statistical approaches, mathematical models of laminar and turbulent flow, incompressible and compressible media.
• Numerical solution of flow. Numerical solution of the Navier - Stokes equation and continuity equation methods, the basic differential, integral method, finite volume, finite element method, spectral method.
• The principle of finite volumes. Solving discretized equations. SIMPLE algorithm, SIMPLEC, multigridní methods, the accuracy of difference schemes.
• Wall functions. The importance of wall functions for velocity and temperature profiles in modeling the near wall, dimensionless parameter criterion for y +, use of wall functions.
• Boundary conditions. Definition of basic flow variables at the border area, as well as turbulent variables, Time-dependent boundary conditions.
• Methods of solving turbulent flow. Direct simulation (DNS) method, simulations of large eddies (LES, DES), time-averaging method (standard k-eps model, RNG k-eps model (renormalization group method), k-omega model, the RSM model (Reynolds stress model).
• Preprocessors ANSYS DesignModeler a ANSYS Meshing . Use preprocessor ANSYS DesignModeler to creation of geometry, mesh generation in preprocessor ANSYS Meshing , transfer the geometry from CAD systems into ANSYS DesignModeler, treatment of transferred data, mesh generation, mesh quality control and export to FLUENT.
• The software FLUENT. Using FLUENT for numerical solution. Grid adaptation during the simulation. Modification of numerical parameters such as residual limitations, relaxation parameters, multigrid.
• Applications. The theoretical findings are used to wrap solution obstacles, lift forces, natural convection, the flow of gaseous species and solid particles (aerosols), the wall heat transfer, etc.
• Numerical solution of flow. Numerical solution of the Navier - Stokes equation and continuity equation methods, the basic differential, integral method, finite volume, finite element method, spectral method.
• The principle of finite volumes. Solving discretized equations. SIMPLE algorithm, SIMPLEC, multigridní methods, the accuracy of difference schemes.
• Wall functions. The importance of wall functions for velocity and temperature profiles in modeling the near wall, dimensionless parameter criterion for y +, use of wall functions.
• Boundary conditions. Definition of basic flow variables at the border area, as well as turbulent variables, Time-dependent boundary conditions.
• Methods of solving turbulent flow. Direct simulation (DNS) method, simulations of large eddies (LES, DES), time-averaging method (standard k-eps model, RNG k-eps model (renormalization group method), k-omega model, the RSM model (Reynolds stress model).
• Preprocessors ANSYS DesignModeler a ANSYS Meshing . Use preprocessor ANSYS DesignModeler to creation of geometry, mesh generation in preprocessor ANSYS Meshing , transfer the geometry from CAD systems into ANSYS DesignModeler, treatment of transferred data, mesh generation, mesh quality control and export to FLUENT.
• The software FLUENT. Using FLUENT for numerical solution. Grid adaptation during the simulation. Modification of numerical parameters such as residual limitations, relaxation parameters, multigrid.
• Applications. The theoretical findings are used to wrap solution obstacles, lift forces, natural convection, the flow of gaseous species and solid particles (aerosols), the wall heat transfer, etc.