Now showing items 1-17 of 17

    • COMPUTATIONAL METHODOLOGY TO ANALYZE THE EFFECT OF MASS TRANSFER RATE ON ATTENUATION OF LEAKED CARBON DIOXIDE IN SHALLOW AQUIFERS 

      Author: Fučík, Radek; Solovský, Jakub; Plampin, Michelle R.; Wu, Hao; Mikyška, Jiří; Illangasekare, Tissa H.
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      Exsolution and re-dissolution of CO2 gas within heterogeneous porous media are investigated using experimental data and mathematical modeling. In a set of bench-scale experiments, water saturated with CO2 under a given ...
    • APPLICATION OF ADVANCED COMBUSTION MODELS IN INTERNAL COMBUSTION ENGINES BASED ON 3-D CFD LES APPROACH 

      Author: Vítek, Oldřich; Macek, Jan; Doleček, Vít; Syrovátka, Zbyněk; Pavlovic, Zoran; Priesching, Peter; Tap, Ferry
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper deals with the application of advanced simulation techniques for combustion modeling in the case of an internal combustion engine. The main focus is put on models with a high predictive ability hence 3-D CFD was ...
    • ON THE SENSITIVITY OF THE NONLINEAR TERM IN THE OUTFLOW BOUNDARY CONDITION 

      Author: Neustupa , Tomáš; Winter , Ondřej
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper studies the artificial outflow boundary condition for the Navier-Stokes system. This type of condition is widely used and it is therefore very important to study its influence on a numerical solution of the ...
    • ON THE USE OF A FLUX-SPLITTING SCHEME IN THE NUMERICAL FLUTTER ANALYSIS OF A LOW-PRESSURE TURBINE STAGE 

      Author: Pátý, Marek; Halama, Jan
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      The endeavour to increase the power output of steam turbines results in the design of low-pressure stages with large diameters. Such designs, featuring long and thin blades, are increasingly susceptible to unfavourable ...
    • CELL-CENTERED LAGRANGIAN LAX-WENDROFF HLL HYBRID SCHEME ON UNSTRUCTURED MESHES 

      Author: Fridrich, David; Liska, Richard; Tarant, Ivan; Váchal, Pavel; Wendroff, Burton
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      We have recently introduced a new cell-centered Lax-Wendroff HLL hybrid scheme for Lagrangian hydrodynamics [Fridrich et al. J. Comp. Phys. 326 (2016) 878-892] with results presented only on logical rectangular quadrilateral ...
    • INVESTIGATION OF COMPRESSIBLE FLOW THROUGH A TURBINE BLADE CASCADE FOR VARIOUS TRANSONIC FLOW REGIMES 

      Author: Louda, Petr; Příhoda, Jaromír; Šafařík, Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper deals with the numerical simulation of 2D transonic flow through the SE1050 turbine blade cascade at various flow conditions. The first one concerns the design operation with a zero incidence angle involved in ...
    • NUMERICAL SIMULATION OF A SINGLE RING INFILTRATION EXPERIMENT WITH hp-ADAPTIVE SPACE-TIME DISCONTINUOUS GALERKIN METHOD 

      Author: Dolejší, Vít; Kuráž, Michal; Solin, Pavel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      We present a novel hp-adaptive space-time discontinuous Galerkin (hp-STDG) method for the numerical solution of the nonstationary Richards equation equipped with Dirichlet, Neumann and seepage face boundary conditions. The ...
    • TNL: NUMERICAL LIBRARY FOR MODERN PARALLEL ARCHITECTURES 

      Author: Oberhuber, Tomáš; Klinkovský, Jakub; Fučík, Radek
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      We present Template Numerical Library (TNL, www.tnl-project.org) with native support of modern parallel architectures like multi–core CPUs and GPUs. The library offers an abstract layer for accessing these architectures ...
    • NUMERICAL SOLUTION OF FLUID-STRUCTURE INTERACTION PROBLEMS WITH CONSIDERING OF CONTACTS 

      Author: Sváček, Petr
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper is interested in the mathematical modelling of the voice production process. The main attention is on the possible closure of the glottis, which is included in the model with the concept of a fictitious porous ...
    • NUMERICAL SIMULATION OF LID-DRIVEN CAVITY FLOW BY ISOGEOMETRIC ANALYSIS 

      Author: Bastl, Bohumír; Brandner, Marek; Egermaier, Jiří; Horníková, Hana; Michálková, Kristýna; Turnerová, Eva
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      In this paper, we present numerical results obtained by an in-house incompressible fluid flow solver based on isogeometric analysis (IgA) for the standard benchmark problem for incompressible fluid flow simulation – ...
    • MODIFIED EQUATION FOR A CLASS OF EXPLICIT AND IMPLICIT SCHEMES SOLVING ONE-DIMENSIONAL ADVECTION PROBLEM 

      Author: Bodnár, Tomáš; Fraunié, Philippe; Kozel, Karel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      This paper presents the general modified equation for a family of finite-difference schemes solving one-dimensional advection equation. The whole family of explicit and implicit schemes working at two time-levels and having ...
    • APPLICATION OF RULED SURFACES IN FREEFORM AND GEAR METROLOGY 

      Author: Linkeová, Ivana; Zelený, Vít
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      An application of two ruled surfaces (i.e., surfaces generated by a motion of a straight line), a surface of hyperbolic paraboloid and a tangent surface of a cylindrical helix in freeform and gear metrology is introduced ...
    • NOTE ON THE PROBLEM OF MOTION OF VISCOUS FLUID AROUND A ROTATING AND TRANSLATING RIGID BODY 

      Author: Deuring, Paul; Kračmar, Stanislav; Nečasová, Šárka
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      We consider the linearized and nonlinear systems describing the motion of incompressible flow around a rotating and translating rigid body Ɗ in the exterior domain Ω = ℝ3 \ D , where Ɗ ⊂ ℝ3 is open and bounded, with ...
    • MODELING OF FLOWS THROUGH A CHANNEL BY THE NAVIER–STOKES VARIATIONAL INEQUALITIES 

      Author: Kračmar, Stanislav; Neustupa, Jiří
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      We deal with a mathematical model of a flow of an incompressible Newtonian fluid through a channel with an artificial boundary condition on the outflow. We explain how several artificial boundary conditions formally follow ...
    • MULTIVARIATE INTERPOLATION USING POLYHARMONIC SPLINES 

      Author: Segeth, Karel
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
      Data measuring and further processing is the fundamental activity in all branches of science and technology. Data interpolation has been an important part of computational mathematics for a long time. In the paper, we are ...
    • PŘEDMLUVA 

      Author: Bodnár, Tomáš; Dvořák, Rudolf
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)
    • FOREWORD 

      Author: Bodnár, Tomáš; Dvořák, Rudolf
      (České vysoké učení technické v PrazeCzech Technical University in Prague, 2021)