Browsing by Title
Now showing items 27506-27525 of 47413
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Numerical analysis of hyperbolic two temperature model
(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 analysis of laser ablation in an ambient gas
(MMA2008 & AMOE2008. 13th International conference on "Mathematical modelling and analysis" and 3rd International conference on "Approximation methods and orthogonal expansions". June 4 - June 7, 2008 Kääriku, Estonia: program and abstracts / Institute of Mathematics of University of Tartu (Estonia), Estonian Mathematical Society, Vilnius Gediminas Technical University, 2008) -
Numerical analysis of laser diode longitudinally pumped solid-state laser generation dynamics using traveling wave model
(Mathematical modelling and analysis: the Baltic journal on mathematical applications, numerical analysis and differential equations, 2010)A detailed theoretical model for the description of generation dynamics of diode laser longitudinally pumped solid-state lasers with active and/or passive Q-switching using traveling wave approach is presented. The results ... -
Numerical analysis of liquid-solid adsorption model
(Mathematical modelling and analysis, 2019)In this paper, the numerical algorithms for solution of pore volume and surface diffusion model of adsorption systems are constructed and investigated. The approximation of PDEs is done by using the finite volume method ... -
Numerical analysis of multiphysics model in underground high voltage cables
(Mathematical Modelling and Analysis (MMA2015) : 20th international conference, May 26-29, 2015, Sigulda, Latvia : abstracts, 2015) -
Numerical analysis of nonlinear model of excited carrier decay
(Central European Journal of Mathematics, 2013)This paper presents a mathematical model for photo-excited carrier decay in a semiconductor. Due to the carrier trapping states and recombination centers in the bandgap, the carrier decay process is defined by the system ... -
Numerical analysis of prestressing strand placement impact on dapped-end beam bearing capacity
(Modern Building Materials, Structures and Techniques MBMST 2023, 5-6 October, Vilnius, Lithuania, 2024)Dapped-end beams, prevalent in structural design for their distinct advantages, pose unique challenges when integrating prestressed reinforcement. The geometric discontinuities in these beams result in complex stress ... -
Numerical analysis of some heat transfer models in high/medium voltage cables and surrounding area
(Mathematical modelling and analysis : 19th international conference, May 26-29, 2014, Druskininkai, Lithuania : abstracts, 2014) -
Numerical analysis of steel frame behaviour subjected to fire temperature using general method approach
(10th International Conference Modern Building Materials, Structures and Techniques: selected papers, Vol. 2. May 19-21, 2010, 2010)Research deals with behaviour of steel structure subjected to fire temperature taking into account multiply factors complexity. Stress-strain state of steel frame structure on the fire was analyzed applying numerical ... -
Numerical analysis of steel frame behaviour subjected to fire temperature using general method approach
(10th International Conference Modern Building Materials, Structures and Techniques: selected papers : [CD], Vol. 2. May 19-21, 2010, 2010)Research deals with behaviour of steel structure subjected to fire temperature taking into account multiply factors complexity. Stress-strain state of steel frame structure on the fire was analyzed applying numerical ... -
Numerical analysis of the effects of the bending stiffness of the cable and the mass of structural members on free vibrations of suspension bridges
(Journal of civil engineering and management, 2015)The article determines natural frequencies of vibration and the corresponding mode shapes of a suspension bridge with the varying bending stiffness of cables and examines variations that occur in these characteristics with ... -
Numerical analysis of the hyperbolic two-temperature model
(Lithuanian mathematical journal, 2008)The system of hyperbolic heat conduction problems is solved numerically. The explicit and fully implicit Euler type schemes for the time integration of the nonstationary problem are proposed and investigated. Space derivatives ... -
Numerical analysis of the ISO alternative methods for propagation factor measurements of coherent stigmatic beams
(Instruments and standart test procedures for laser beam and optics characterization. 24 & 25 June 2003 at the Laser 2003. Word of Photonics Room KB32, Trade Fair Centre Munich, 2003, 2003)The paper presents analysis of the alternative methods for measurements of beam widths and beam propagation factors proposed by ISO 11146 standart based on the developed efficient numerical methods for calculation of ... -
Numerical analysis of the thermalization process in gold films irradiated by femtosecond laser pulses by using parabolic and hyperbolic two temperature models
(Mathematical Modelling and Analysis (MMA2011) : 16th international conference, May 25-28, 2011, Sigulda, Latvia : abstracts / The European Consortium for Mathematics in Industry (ECMI); University of Latvia; Vilnius Gediminas Technical University; Institute of Mathematics and Computer Science of University of Latvia., 2011) -
Numerical analysis of thin metal film heating by ultrashort laser pulses using a hyperbolic two-temperature model
(International conference "Fundamentals of laser assisted micro– & nanotechnologies" (FLAMN-07 ) : abstract : June 25-28, 2007, St. Petersburg, Russia, 2007) -
Numerical analysis of vertical stress distribution in the direct shear box devices
(The 13th international conference “Modern building materials, structures and techniques”, 16–17 May, 2019, Vilnius, Lithuania, 2019)When determining the soil strength parameters with direct shear box devices, the values of the parameters are influenced by devices construction. In assessing this effect, it is necessary to know the magnitude of the ... -
Numerical and experimental analysis of grouted hollow block masonry under compression
(Engineering structures and technologies = Statybinės konstrukcijos ir technologijos, 2013)Highly hollow masonry units, which allow reducing the weight of masonry constructions and improving heat and sound insulation qualities, are commonly used in masonry construction. Filling the hollows with concrete, or ... -
Numerical and field investigations of local bridge abutment scour and unsteady downstream river flow from a nearby hydropower plant
(Baltic journal of road and bridge engineering, 2014)The content of our research was as follows: 1) analysis of typical turbines regimes while switching them on and off and flow regimes downstream; 2) continuous long lasting measurement of water level in many cross-sections ... -
Numerical and field investigations of unsteady river flow downstream hydropower plant (HPP)
(Nordic water 2012 : catchment restoration and water protection : XXVII Nordic hydrological conference : abstracts / editors : Ritta Kamula, Bjorn Kløve, Hanna Arola, 2012)Developed measures for river flow regime improvement downstream HPP seem promising and giving valuable positive changes for water fauna and flora conditions. -
Numerical approximation of one model of bacterial self-organization
(Nonlinear analysis : modelling and control, 2012)This paper presents finite difference approximations of one dimensional in space mathematical model of a bacterial self-organization. The dynamics of such nonlinear systems can lead to formation of complicated solution ...