Browsing by Department "Skaičiavimo centras / Computer Centre"
Dabar rodomi įrašai 1-20 iš 47
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A parallel solver for the 3D simulation of flows through oil filters
(Parallel scientific computing and optimization: advances and application. Workshop of British and Lithuanian Scientists on High Performance Scientific Computing Druskininkai, LITHUANIA, FEB 05-08, 2008, 2009)The performance of oil filters used in automotive engines and other areas can be significantly improved using computer simulation as an essential component of the design process. In this chapter, a parallel solver for the ... -
A parallel solver for the design of oil filters
(Mathematical modelling and analysis: the Baltic journal on mathematical applications, numerical analysis and differential equations, 2011)Nowadays, it is widely recognized that computer simulation plays a cru- cial role in designing oil filters used in the automotive industry. However, even a single direct simulation of the flow usually requires significant ... -
AMT-IP(LANE) computer network parameters optimization for NFS
(Informacinės technologijos ir valdymas, 2002)ATM is a powerful network technology with various integrated services. ATM dalivers important advantages over existing LAN and WAN technologies, including scalable bandwidths and control of quality of service, which are ... -
Analysis of upwind and high-resolution schemes for solving convection dominated problems in porous media
(Mathematical modelling and analysis: the Baltic journal on mathematical applications, numerical analysis and differential equations, 2006)The conservation laws governing the multiphase flows in porous media are often convection-dominated and have a steep fronts that require accurate resolution. Standard discretization methods of the convection terms do not ... -
Application of GRID computing for optimization of grillages
(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 ... -
Application of parsol library for parallelization of flow in porous media problem solver
(12th International conference "Mathematical modelling and analysis", May 30 - June 2, 2007 Trakai, Lithuania: book of abstracts / The European Consortium for Mathematics in Industry (ECMI), Vilnius Gediminas Technical University, Institute of Mathematics and Informatics, Vilnius University, 2007) -
Comparison of dynamic behaviour of EMA-3 railgun under differently induced loadings
(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
(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
(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
(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 ... -
DAM break flow simulation on grid
(Materials physics and mechanics, 2010)In this contribution we report on a dam break flow simulation on gLite based grid infrastructure. The dam break problem including breaking waves is solved by the pseudo-concentration method improved by interface sharpening ... -
DAM break flow simulation on grid
(Proceedings of NDTCS'09: 13th international workshop on New Approaches to High-Tech: Nano-Design, Technology, Computer Simulations. 22-26 June 2009, Vilnius, Lithuania. Vol. 13 / Institute of Theoretical Physics and Astronomy of Vilnius University (Lithuania), St. Petersburg Academy of Sciences for Strength Problems (Russia), 2009)In this contribution we report on a dam break flow simulation on gLife based grid infrastructure. The dam break problem including breaking waves is solved by the pseudo-concentration method improved by interface sharpening ... -
Development of efficient interface sharpening procedure for viscous incompressible flows
(Informatica, 2008)The paper describes the development of the efficient interface sharpening procedure for viscous incompressible flows governed by the Navier-Stokes equations. The moving interface has been captured by a pseudo-concentration ... -
Discrete element method in simulation of granular materials
(IUTAM Symposium on multiscale problems in multibody system contacts: proceedings of the IUTAM Symposium held in Stuttgart, Germany, February 20-23, 2006 / International Union of Theoretical and Applied Mechanics, University of Stuttgart. Vol. 1, 2007)The granular material considered presents a space filled with discrete spherical visco-elastic particles, while a concept of the DEM is to track in a time simulation the motion and rotation of each particle by taking into ... -
Dynamic domain decomposition applied to hopper discharge simulation by discrete element method
(Information Technology and Control, 2011)The paper presents the development of dynamic domain decomposition applied to hopper discharge simulation by the discrete element method (DEM). Parallel neighbour search algorithm, non-blocking interprocessor communication ... -
Efficient visualization by using ParaView software on BalticGrid
(Information Technology and Control, 2010)The paper describes efficient visualization performed by using ParaView software on BalticGrid. Development efforts, software implementation details and grid deployment issues are presented. The benchmark based on visualization ... -
Global optimization of grillages using simulated annealing and high performance computing
(Journal of civil engineering and management, 2010)The aim is to investigate ways of increasing the efficiency of grillage optimization. Following this general aim, two well-known optimization methods, namely the Genetic Algorithm (GA) and Simulated Annealing (SA), were ... -
Grid visualization e-service
(Proceedings of NDTCS'09: 13th international workshop on New Approaches to High-Tech: Nano-Design, Technology, Computer Simulations. 22-26 June 2009, Vilnius, Lithuania. Vol. 13 / Institute of Theoretical Physics and Astronomy of Vilnius University (Lithuania), St. Petersburg Academy of Sciences for Strength Problems (Russia), 2009)In this contribution we report on development of visualization e-service VizLitG designed for convenient access and visualization of results produced by scientific computations on BalticGrid. Flexible environment of e-service ... -
Influence of network communications to the final performance of grid visualization software
(Information and software technologies : 18th International Conference, ICIST 2012, Kaunas, Lithuania, September 13-14, 2012 : proceedings, 2012)Influence of network communications to the final performance of grid visualization software VisPartDEM is investigated. Distributed architecture of VisPartDEM is designed for interactive visualization of large particle ...