Browsing by Title

Now showing items 27566-27585 of 47398

    • Numerical modelling of astigmatic laser beams by the laguerre-gaussian mode expansion method 

      Šilko, Galina; Čiegis, Raimondas; Dementjev, Aleksandr; Udovičius, Arnas (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)

    • Numerical modelling of biosensors with perforated and selective membranes 

      Baronas, Romas; Ivanauskas, Feliksas; Kulys, Juozas (10th International Conference Mathematical Modelling and Analysis and 2nd International Conference Computational Methods in Applied Mathematics [Elektroninis išteklius] : June 1 - 5, 2005, Trakai, Lithuania : proceedings, 2005)
      This paper presents a two-dimensional-in-space mathematical model of amperometric biosensors with perforated and selective membranes. The model is based on the di usion equations containing a nonlinear term of the ...

    • Numerical modelling of biosensors with perforated and selective membranes 

      Ivanauskas, Feliksas; Baronas, Romas; Kulys, Juozas (Mathematical modeling and analysis : 10th international conference, June 1-5, 2005, Trakai, Lithuania : abstracts, 2005)
      This paper presents a two-dimensional-in-space mathematical model of amperometric biosensors with perforated and selective membranes. The model is based on the di usion equations containing a nonlinear term of the ...

    • Numerical modelling of buckling of thin-walled beams by semi-analytical finite elements 

      Samofalov, Michail; Kačianauskas, Rimantas (Shell Structures, Theory and Applications (SSTA) : The 7th Conference -2002 : Extended abstracts of papers presented at the 7th Conference "Shell Structures, Theory and Applications" Gdansk - Jurata (Poland), October 9-11, 2002, 2002)

    • Numerical modelling of chemically modified enzyme electrodes 

      Baronas, Romas; Kulys, Juozas; Ašeris, Vytautas (Differential equations and their applications (DETA’ 2009): dedicated to professor M. Sapagovas 70th anniversary : proceedings of the international conference, September 10-12, 2009, Panevėžys / edited by V. Kleiza, S. Rutkauskas, A. Štikonas, 2009)
      In this paper the response of an amperometric biosensor based on a chemically modified electrode is modelled numerically. The model is based on a system of non-linear reaction-diffusion equations. The modelling biosensor ...

    • Numerical modelling of cracked RC tension members using stress-transfer approach 

      Kaklauskas, Gintaris; NG, Pui Lam; Jakubovskis, Ronaldas; Ramanauskas, Regimantas (Mechanics of structures and materials: advancements and challenges: proceedings of the 24th Australasian Conference on the Mechanics of Structures and Materials (ACMSM24), Perth, Australia, 6-9 December 2016. Vol. 1 / editors: Hong Hao, Chunwei Zhang, 2017)
      This paper presents the numerical modelling of cracked Reinforced Concrete (RC) tension members based on the stress-transfer approach. The modelling is able to accurately account for the effects of cracking, thereby allowing ...

    • Numerical modelling of creep functions of laminated composites 

      Zabulionis, Darius; Gailius, Albinas (Mechanika, 2007)
      This research paper proposes the simulation method of linear creep parameters of laminated composites when the composite is loaded along the joint of the layers.The developed method is based on the numerical integra-tion ...

    • Numerical modelling of displacement pile resistance in sand ground. Part 1: Soil physical model, calibration of model parameters 

      Martinkus, Vaidas; Norkus, Arnoldas; Nagrockienė, Džigita (The Baltic journal of road and bridge engineering, 2021)
      Accuracy of numerical modelling of ground resistance of the displacement pile highly depends on proper evaluation of its states: prior loading and its changes during the loading. Evaluation of initial ground stage, its ...

    • Numerical modelling of displacement pile resistance in sand ground. Part 2: Discrete model, at rest stage, load test 

      Martinkus, Vaidas; Norkus, Arnoldas; Nagrockienė, Džigita (The Baltic journal of road and bridge engineering, 2023)
      The article presents a continuation of research results on numerical modelling of displacement pile prototype ground (sand) resistance. Numerical modelling of ground resistance consists of three stages: restitution of ...

    • Numerical modelling of erythrocyte sticking mechanics 

      Jasevičius, Raimondas (Applied sciences: Special issue: New trends in biosciences III, 2022)
      The mechanics of thrombus formation includes the interaction of platelets, fibrin, and erythrocytes. The interaction was analyzed as the erythrocyte approaches the activated platelet and fibrin thrombus formation. The ...

    • Numerical modelling of heat transfer in underground electrical cables 

      Čiegis, Raimondas; Starikovičius, Vadimas; Suboč, Olga (6th international workshop "Data analysis methods for software systems". Druskininkai, Lithuania, Hotel “Europa Royale”, December 4–6, 2014, 2014)

    • Numerical modelling of mechanical behaviuor of pulsed solenoids 

      Kačianauskas, Rimantas; Kačeniauskas, Arnas; Šnirpūnas, Vincas; Stupak, Eugeniuš; Novickij, Jurij (10th International Conference Mathematical Modelling and Analysis and Second International Conference Computational Methods in Applied Mathematics, June 1-5, 2005 Trakai, Lithuania : abstracts, 2005)

    • Numerical modelling of reinforced concrete slabs 

      Kaklauskas, Gintaris; Kulinič, V.; Belevičius, Rimantas; Delpak, Ramiz (Lietuvos skaičiuojamosios mechanikos asociacijos IV-ojo seminaro medžiaga : rinktiniai straipsniai. Vilniaus technikos universiteto mokslinis informacinis leidinys "Mokslas, studijos, universiteto gyvenimas", 1996)
      Pateiktas sluoksniuotas gelžbetoninės plokštės baigtinių elementų modelis, kuriuo įvertinami netiesinės deformacijos ir plyšių vystymasis. Fizikiniame modelyje įvertinta tempiamo ir gniuždomo betono įtempimų deformacijų ...

    • Numerical modelling of the forklift tip-over to test effectiveness of the safety components 

      Milanowicz, Marcin; Budziszewsk, Paweł; Kędzior, Krzysztof (Proceedings of 11th International Conference BIOMDLORE 2016, 2016)
      Forklift overturning with its operator is the most common and dangerous type of an accident involving internal transport. The forklifts are equipped with safety components to avoid, or reduce the effects of forklift tip-over. ...

    • Numerical modelling of the normal adhesive elastic–plastic interaction of a bacterium 

      Jasevičius, Raimondas; Baronas, Romas; Kruggel-Emden, Harald (Advanced powder technology, 2015)
      Bacteria are a widespread group of organisms. On the microscale, bacteria colonies are of discrete nature. Looking from the mechanical point of view the suspension containing the bacteria may be considered as a system of ...

    • Numerical modelling of the sticking process of a S. aureus bacterium 

      Jasevičius, Raimondas; Kruggel-Emden, Harald (International journal of adhesion and adhesives, 2017)
      The investigation of the dynamics of a single bacterium may help to understand the behaviour of a system of bacteria (e.g. biofilm formation) as well as the transmission of infections in the air. One of the important factors ...

    • Numerical modelling of the transfer processes occurring in the adsorbtion filter 

      Paliulis, Dainius (5-osios Tarptautinės konferencijos "Aplinkos inžinerija" programa ir santraukos : Vilniaus Gedimino technikos universitetas 2002 m. gegužės 23-24, 2002)

    • Numerical modelling of thermal regime of railway track – structure with thermal insulation (Styrodur) 

      Ižvolt, Libor; Dobeš, Peter; Holešova, Michaela; Navikas, Deividas (Journal of civil engineering and management, 2021)
      This paper presents the results of numerical modelling of the influence of various factors (geometrical layout of the structural layers of the railway track, climatic factors and ballast fouling) on the freezing of railway ...

    • Numerical particle-based analysis of the effects responsible for acoustic particle agglomeration 

      Markauskas, Darius; Kačianauskas, Rimantas; Maknickas, Algirdas (Advanced powder technology, 2015)
      Numerical particle-based modelling of aerosol particles in an acoustic field is performed, and the influence of the effects, including orthokinetic collision, an acoustic wake effect and mutual radiation pressure effect, ...

    • Numerical schemes for 3D parabolic problem with non-local boundary condition 

      Čiegis, Raimondas (17th IMACS World Congress Scientific Computation, Applied Mathematics and Simulation [Elektroninis išteklius] : Paris, France July 11-15, 2005, 2005)
      Two nite difference schemes are used to solve the 3D parabolic problem with a non-local boundary condition. A new approximation of the initial condition is proposed for the explicit Euler scheme. Error estimates in the ...