• Numerical simulation of solid particle propagation in the atmosphere 

      Baltrėnas, Pranas; Vasarevičius, Saulius; Petraitis, Egidijus (Chemical and petroleum engineering : translated from Russian, 2003)
    • Numerical simulation of the conductivity relaxation in the high resistivity Semiconductor 

      Pincevičius, Albertas; Meilūnas, Mečislavas; Tumanova, Natalija (Mathematical modelling and analysis: the Baltic journal on mathematical applications, numerical analysis and differential equations, 2007)
      A theoretical model describing the relaxation of charge carriers in semi- conductors of high resistance under the influence of the laser pulses is presented. It is demonstrated that parameters of the trapping states relevant ...
    • Numerical simulation of the heat conduction in composite materials 

      Čiegis, Raimondas; Jankevičiūtė, Gerda; Suboč, Olga (Mathematical modelling and analysis: the Baltic journal on mathematical applications, numerical analysis and differential equations, 2010)
      In this paper we develop and validate mathematical models and numerical algorithms for the heat transfer simulation in composite materials. The main features of the problem deal with the dependence of the heat source on ...
    • Numerical simulation of the heat conduction in electrical cables 

      Čiegis, Raimondas; Ilgevičius, Audrius; Liess, H.; Meilūnas, Mečislavas; Suboč, Olga (Mathematical modelling and analysis: The Baltic Journal on Mathematical Applications, Numerical Analysis and Differential Equations, 2007)
      The modelling of the heat conduction in electrical cables is a complex mathematical problem. To get a quantitative description of the thermo-electrical characteristics in the electrical cables, one requires a mathematical ...
    • Numerical simulation of the inkjet droplet interaction with a solid surface / 

      Tofan, Tim,; Menendez Hurtado, Alicia,; Kruggel-Emden, Harald,; Jasevičius, Raimondas, (AIP conference proceedings: International conference of numerical analysis and applied mathematics ICNAAM 2021, 20–26 September 2021, Rhodes, Greece., 2023.)
      This work aims at the numerical simulation and analyzation of inkjet droplet impact on a surface. The investigation is performed on the background of a printing process, whereby all phases the droplet undergoes are considered. ...
    • Numerical simulation of the mechanics of oblique interaction of a bacterium with a flat surface 

      Jasevičius, Raimondas (Mechanics of advanced materials and structures, 2022)
      Looking from the mechanical point of view the suspension containing the bacteria may be considered as a system of living active ultrafine particles. Here a model is developed for the interaction of the bacterium in an ...
    • Numerical simulation of the movement of microparticles 

      Tofan, Tim; Jasevičius, Raimondas; Kruggel-Emden, Harald (AIP conference proceedings. 20th international conference of numerical analysis and applied mathematics (ICNAAM 2020), 17-23 September, Rhodes, Greece, 2022)
      The work aims at the numerical investigation of the dynamics of microparticles. Microparticles are considered to be ultrafine particles and similar size liquid droplets. Looking form mechanics point of view, it is important ...
    • Numerical simulation of the sticking process of glass-microparticlesto a flat wall to represent pollutant-particles treatment in amulti-channel cyclone 

      Jasevičius, Raimondas; Krugel-Emden, Harald; Baltrėnas, Pranas (Particuology, 2017)
      Ultrafine particles are dangerous to human health and are usually difficult to separate from airflowbecause of their low inertia, which helps them to stick easily to surfaces because of adhesive forces. Thischaracteristic ...
    • Numerical simulation of thermal conductivity and thermal stress in lightweight refractory concrete with cenospheres 

      Mačiūnas, Darius; Nosewicz, Szymon; Kačianauskas, Rimantas; Boris, Renata; Stonys, Rimvydas (Materials: Special issue: Mechanics of materials—forming, characterization and analysis of residual stress, 2023)
      The main objective of this paper was to investigate the heat transfer of modified lightweight refractory concrete at the microscopic scale. In this work, such material was treated as a porous composite based on the compound ...
    • Numerical simulation of transapical off-pump mitral valve repair with neochordae implantation 

      Gaidulis, Gediminas; Votta, Emiliano; Selmi, Matteo; Aidietienė, Sigita; Aidietis, Audrius; Kačianauskas, Rimantas (Technology and health care, 2018)
      BACKGROUND: Transapical off-pump mitral valve (MV) repair is a novel minimally-invasive surgical technique, allowing to correct mitral regurgitation (MR) caused by chordae tendineae rupture. While numerical simulation of ...
    • Numerical simulation sequence in applying to facility for sports and entertainment skiing slopes 

      Samofalov, Michail (Mechanika, 2010)
      In this paper a sequence to manage engineering calculations in design of complex facilities is proposed. A possibility of stage-by-stage sequential analysis of the structural stress/strain state is considered taking into ...
    • Numerical simulation strategy of reinforced concrete tunnel bearing members in fire 

      Gribniak, Viktor; Bačinskas, Darius; Kaklauskas, Gintaris (The Baltic journal of road and bridge engineering, 2006)
      Reinforced concrete structures subjected to fire will generally experience a complex behaviour. This paper presents a strategy of numerical simulation of reinforced concrete members exposed to high temperatures and subjected ...
    • Numerical solution for equation of liquid drop on inclined plane 

      Čiupaila, Regimantas; Sapagovas, Mifodijus (11th International Conference "Mathematical Modelling and Analysis", May 31 - June 3, 2006 Jūrmala, Latvia: book of abstracts, 2006)
      The problem for the equation of the liquid drop on the inclined plane […] is considered. Here […], D - circle area, V - volume of the liquid in the drop, A 9x; 9y} - the unknown constant (Lagrange multiplier). H(x,y,u) - ...
    • Numerical solution of hyperbolic heat conduction equation 

      Čiegis, Raimondas (Mathematical modelling and analysis: the Baltic journal on mathematical applications, numerical analysis and differential equations, 2009)
      Hyperbolic heat conduction problem is solved numerically. The explicit and implicit Euler schemes axe constructed and investigated. It is shown that the implicit Euler scheme can be used to solve efficiently paxabolic and ...
    • Numerical solution of nonlinear elliptic equation with nonlocal condition 

      Čiupaila, Regimantas; Sapagovas, Mifodijus; Štikonienė, Olga (Nonlinear analysis: modelling and control, 2013)
      Two iterative methods are considered for the system of difference equations approximating two-dimensional nonlinear elliptic equation with the nonlocal integral condition. Motivation and possible applications of the problem ...
    • Numerical solution of parabolic problems with nonlocal boundary conditions 

      Čiegis, Raimondas; Tumanova, Natalija (Numerical Functional Analysis and Optimization, 2010)
      In this article, the one-dimensional parabolic equation with three types of integral nonlocal boundary conditions is approximated by the implicit Euler finite difference scheme. Stability analysis is done in the maximum ...
    • Numerical solutions by using FNL model of complex shape concrete structures 

      Valentinavičius, Saulius; Šapalas, Antanas; Vasiliauskienė, Lina (WSEAS transactions on applied and theoretical mechanics, 2006)
      Various methods a/calculation of physical non-linear systems under influence of modelling specific where investigated. Due the flexibility on modelling of complex shape structures by using composite material an incremental ...
    • Numerical solutions by using FNL model of complex shape concrete structures 

      Valentinavičius, Saulius; Šapalas, Antanas; Vasiliauskienė, Lina (Proceedings of the 2nd WSEAS International Conferences on applied and theoretical mechanics: Venice, Italy, November 20-22, 2006, 2006)
      Various methods of calculation of physical non-linear systems under influence of modelling specific where investigated. Due the flexibility on modelling of complex shape structures by using composite material an incremental ...
    • Numerical stability analysis of solutions of PDEs 

      Čiegis, Raimondas; Čiegis, Remigijus (Computational methods in applied mathematics, 2004)
      In this paper we investigate two iterative methods for solving one problem of nonlinear optics. The main goal is not only to find a stationary solution but also to investigate its stability. It is shown that both methods ...
    • Numerical stress analysis of granular material 

      Balevičius, Robertas; Markauskas, Darius (Mechanika, 2007)
      From the experimental point of view, it is very difficult to obtain accurate stress measurements within the bulk of granular material. The numerical stress analysis based on the forces acting on the discrete particle was ...