National Repository of Grey Literature 3 records found  Search took 0.00 seconds. 
Numerické řešení nárůstu glazového ledu
Hoření, Bohumír ; Horák, V.
The paper presents the main problem of the wing airfoil glaze ice accretion prediction: theoretical solution of the flow of a thin layer on a cold surface and gradual freezing. There are formally arranged the conservative equations using for the solution of water flow in open channels. The flux terms are evaluated using a discontinuous Galerkin method, which could be considered as a generalized finite volumes classical method.
Simulace proudění kolem kruhového válce pro široký rozsah Reynoldsových čísel
Hoření, Bohumír ; Chára, Zdeněk
Numerical simulation of the flow past a circular cylinder for Reynolds numbers going from 20 to 200000 is presented. The numerical simulations were performed with help of discontinuous Galerkin method. This method offers a compact formulation ensuring a useful method to obtain a high accuracy solution especially for unstructured grids.
Použití "rovnic mělké vody" na proudění nenewtonských suspenzí
Hoření, Bohumír ; Chára, Zdeněk ; Vlasák, Pavel
The paper presents an attempt to use shallow water equations to solve a flow of non-Newtonian suspensions. Saint-Vennant set of equations of incompressible free surface flow in thin layers (frequently referred as "shallow water equations") forms a baseline for theoretical solution. The original set of equations established for Newtonian fluids is modified to solve also flow of non-Newtonian fluids with arbitrary rheological behaviour

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