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National Repository of Grey Literature 3 records found  Search took 0.01 seconds. 
Free surface flow in a swirl separator
 Chára, Zdeněk ; Kysela, Bohuš
The paper is focused on the numerical solution of the flow in a separator of the swirl geometry with the free water level. Together with the numerical simulations results of the first experimental series are shown, too. Measured shapes of the free surface levels are compared with the numerical simulations in a dependency of different conditions of discharge inlets and outlets. ANSYS Fluent 6.3 was used for the numerical simulations and ANSYS Gambit 2.4 was used for the mesh design.
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Assesment of parameters for viscoelastic material using programme ANSYS from nanoindentation
 Micka, Michal
Nanoindentation makes it possible to investigate mechanical properties of material in dependencies on penetration of the indenter also on small amounts of sample. From time course of the indenter penetration it is possible using standard procedures of the computer programme ANSYS to determine coefficients of Prony series for description of the viscoelastic material. Article presents model for simulation of the nanoindentation test in ANSYS and methodics for determination of material constants.
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Study of propagation of pressure pulsations in high-pressure system
 Foldyna, Josef ; Říha, Zdeněk ; Sitek, Libor
Various alternatives of high pressure-system geometry including square elbows and prolongation of liquid waveguide were elaborated to be able to simulate real tools used to generate high-speed water jets. Variable geometrical parameters of the model were selected and the computational model was prepared in such a way that the geometry and meshing of the model is generated automatically after entering the parameters. This approach facilitates and speeds up preparation of models for simulation of propagation of pressure pulsations in high-pressure system for generation of pulsating water jets. The paper presents results of simulation of propagation of pressure pulsations through various geometries of the high-pressure system.
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