Browsing by Author "Kačeniauskas, Arnas"

Now showing items 1-20 of 112

    • Adaptation of parallel SaaS to heterogeneous co-located cloud resources 

      Bystrov, Oleg; Pacevič, Ruslan; Kačeniauskas, Arnas (Applied sciences, 2023)
      Cloud computing has received increasing attention due to its promise of delivering on-demand, scalable, and virtually unlimited resources. However, heterogeneity or co-location of virtual cloud resources can cause severe ...

    • Analysis of crack geometry using distributed visualization software 

      Kačeniauskas, Arnas; Pacevič, Ruslan; Markauskas, Darius (Proceedings of theThird International Conference on Parallel, Distributed, Grid and Cloud Computing for Engineering (PARENG2013), Pécs, Hungary, 25-27 March, 2013, 2013)
      The paper presents the development of a visualization algorithm for cracks propagating in mono-dispersed particulate media. The algorithm is based on local Voronoi decompositions generated according to the lattice topology ...

    • Application of GRID computing for optimization of grillages 

      Šešok, Dmitrij; Belevičius, Rimantas; Kačeniauskas, Arnas; Mockus, Jonas (Mechanika, 2010)
      The paper addresses one engineering design problem, the optimization of pile placement schemes under grillage-type foundations. Aim of the optimization is to find pile placement scheme where the number of piles is minimal ...

    • Axial magnetic field measurements of pulsed solenoids 

      Novickij, Jurij; Kačianauskas, Rimantas; Kačeniauskas, Arnas; Balevičius, Saulius; Žurauskienė, Nerija; Stankevič, Voitech (Elektronika ir elektrotechnika, 2004)
      Magnetic field measurement of pulsed solenoids is described. Axial magnetic field is estimated using analytical and numerical methods. Analytical simulation and numerical one proposes the approximate results. Computing ...

    • Cell attribute-based algorithm for crack visualization 

      Pacevič, Ruslan; Markauskas, Darius; Radvilavičius, Lukas; Kačeniauskas, Arnas; Kutas, Remigijus (Information technology and control, 2013)
      The paper presents the development of the visualization algorithm for propagating cracks. The novel algorithm is based on the cell attribute obtained from the damaged lattice connections employed for discrete element ...

    • Comparative DEM-CFD study of binary interaction and acoustic agglomeration of aerosol microparticles at low frequencies 

      Kačianauskas, Rimantas; Rimša, Vytautas; Kačeniauskas, Arnas; Maknickas, Algirdas; Vainorius, Darius; Pacevič, Ruslan (Chemical engineering research and design, 2018)
      The paper concerns the problem of acoustic agglomeration due to the acoustic wake in diluted aerosols and addresses the development of the time-accurate discrete element method (DEM) simulation technique. The case of weak ...

    • Comparison of Different Approaches in Free Surface Modelling by the Finite Element Method 

      Kačeniauskas, Arnas; Kačianauskas, Rimantas; Skeie, Geir (Eurpoean Congress on Computational Methods in Applied Sciences and Engineerings. ECCOMAS 2000 ; Incorporating the VI Conference on Computational Plasticity (COMPLAS VI), Barselona, 11-14 September 2000 : proceedings, 2000)
      In the presnt work we approach the free surface formulation in three different ways and consider the unsteady laminar Newtonian isothermal flow of viscous incompressible liquid described by the Navier-Stokes equations. [...].

    • Comparison of dynamic behaviour of EMA-3 railgun under differently induced loadings 

      Tumonis, Liudas; Schneider, Markus; Kačianauskas, Rimantas; Kačeniauskas, Arnas (Mechanika, 2009)
      Comparison of dynamic behaviour of EMA-3 railgun of the French-German Research institute of Saint-Louis (ISL) under differently. induced loadings is presented. Both magnetic pressure loads are generated by two current ...

    • Computation and visualization of discrete particle systems on gLite-based grid 

      Kačeniauskas, Arnas; Kačianauskas, Rimantas; Maknickas, Algirdas; Markauskas, Darius (Advances in engineering software, 2011)
      Three-dimensional simulation of discrete particle systems is performed by the discrete element method (DEM) software on the gLite-based BalticGrid infrastructure. The performance of a parallel algorithm for particles ...

    • Computation and visualization of poly-dispersed particle systems on gLite grid 

      Kačeniauskas, Arnas; Kačianauskas, Rimantas; Maknickas, Algirdas; Markauskas, Darius (Proceedings of the First International Conference on Parallel, Distributed and Grid Computing for Engineering held at Pollack Mihály Faculty of Engineering, University of Pécs, Hungary, 6-8 April 2009 : [abstracts] / Civil-Comp Proceedings:90, 2009)
      3D simulation of poly-dispersed particle systems is performed by the Discrete Element Method (DEM) software on gLite based grid. An efficient parallel algorithm for moving particles, that exchange processors, is incorporated ...

    • Computation and visualization of poly-dispersed particle systems on gLite grid 

      Kačeniauskas, Arnas; Kačianauskas, Rimantas; Maknickas, Algirdas; Markauskas, Darius (Proceedings of the First International Conference on Parallel, Distributed and Grid Computing for Engineering, held at Pollack Mihály Faculty of Engineering, University of Pécs, Hungary, 6-8 April 2009, 2009)
      3D simulation of poly-dispersed particle systems is performed by the Discrete Element Method (DEM) software on gLite based grid. An efficient parallel algorithm for moving particles, that exchange processors, is incorporated ...

    • Computational analysis of patient-specific aortic valves 

      Stupak, Eugeniuš; Kačeniauskas, Arnas; Starikovičius, Vadimas; Maknickas, Algirdas; Pacevič, Ruslan; Staškūnienė, Miglė; Davidavičius, Giedrius; Aidietis, Audrius (40th International solid mechanics conference (SOLMECH 2016), 29.08-2.09 2016, Warsaw, Poland, 2016)

    • Computational costs of DEM models implemented by using OpenCL on GPU 

      Pacevič, Ruslan; Kačeniauskas, Arnas; Kačianauskas, Rimantas; Barauskas, Rimantas (DEM 8. 8th international conference on Discrete Element Methods, 21-26 July 2019 : book of abstracts, 2019)
      The discrete element method (DEM) opened new vistas in modelling of materials. Concept of the DEM presents numerical methodology, providing quantitative description of granular media by considering motion and deformation ...

    • Controls-based approach for evaluation of information security standards implementation costs 

      Olifer, Dmitrij; Goranin, Nikolaj; Kačeniauskas, Arnas; Čenys, Antanas (Technological and economic development of economy, 2017)
      According to the PricewaterhouseCoopers analysis, the average cost of a single information security and data protections breaches has increased twice during 2015 (PricewaterhouseCoopers 2015). Amount of organizations who ...

    • Cost and performance analysis of MPI-based SaaS on the private cloud infrastructure 

      Bystrov, Oleg; Kačeniauskas, Arnas; Pacevič, Ruslan (Parallel processing and applied mathematics: 14th International Conference, PPAM 2022, Gdansk, Poland, September 11–14, 2022, Revised Selected Papers, Part I, 2023)
      The paper presents the cost and performance analysis of parallel MPI-based software as a service (SaaS) deployed on the OpenStack cloud infrastructure. The parallel SaaS was developed by using C++ programming language and ...

    • Cost- and performance-aware resource selection for parallel software on heterogeneous cloud 

      Bystrov, Oleg; Pacevič, Ruslan; Kačeniauskas, Arnas (Concurrency and computation-practice & experience, 2023)
      Cloud providers offer flexible infrastructures and on‐demand services, including the capability to deploy low cost virtual resources of many different types. However, the diversity of cloud resources followed by the important ...

    • Coupled FEM simulation of turbulent flow and temperature in insulated pipes 

      Kačeniauskas, Arnas; Čėsnienė, Jūratė (Mechanika, 2006)
      In this paper, the numerical model of thermally isolated pipe was designed including turbulence and flow velocity strongly coupled with temperature field. 2D axissymmetrical problem of thermally insulated pipe was solved ...

    • Coupled magneto-thermo-mechanical problems investigating high magnetic fields 

      Kačeniauskas, Arnas; Kačianauskas, Rimantas; Stupak, Eugeniuš; Šnirpūnas, Vincas; Balevičius, Saulius; Novickij, Jurij; Žurauskienė, Nerija (Computational Methods for Coupled Problems in Science and Engineering. 25-28 May 2005, Santorini Island, Greece, 2005)
      The transient magnetic field is described by Maxwell's equations. Non-linear magnetic properties of materials are considered as well as eddy currents induced in ferromagnetic regions. The temperature field is governed by ...

    • Coupled magneto-thermo-mechanical problems investigating high magnetic fields 

      Kačeniauskas, Arnas; Kačianauskas, Rimantas; Stupak, Eugeniuš; Šnirpūnas, Vincas; Balevičius, Saulius; Novickij, Jurij; Žurauskienė, Nerija (Computational Methods for Coupled Problems in Science and Engineering. 25-28 May 2005, Santorini Island, Greece, 2005)
      High magnetic fields are important investigation tools used in many fields of applied sciences and engineering. High magnetic field generators could be an effective tool for investigating the electrical, optical and ...

    • Dam break flow simulation by the pseudo-concentration method 

      Kačeniauskas, Arnas (Mechanika, 2005)
      In this paper, dam break flow simulation is performed by the finite elements and the pseudo-concentration method. Solution domain is discretized by the space-time finite elements, while numerical schemes are stabilised by ...