Browsing by Title
Now showing items 27506-27525 of 47398
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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 ... -
Numerical Approximation of the Weakly Damped Nonlinear Shrödinger Equation
(Computational methods in applied mathematics, 2001)In this paper we consider the one-dimensional nonlinear Shrödinger equation. The equation includes an absorption term, and the solution is periodically amplified in order to compensate the lose of the energy. The problem ... -
Numerical asymptotic method for weakly nonlinear hyperbolic waves
(8th International Conference Mathematical Modelling and Analysis ''MMA2003'', May 28-31, 2003. Trakai, Lithuania : abstracts, 2003) -
Numerical calculation of electrostatic excitation of vibrating systems
(Journal of Vibroengineering, 2005) -
Numerical characterisation of car tyre deflections due to overload
(AIP conference proceedings. 20th international conference of numerical analysis and applied mathematics (ICNAAM 2020), 17-23 September, Rhodes, Greece, 2022)Numerical characteristics of car tyre deflection due to overload were investigated. The finite element model of the car wheel including metallic rim, a composite tyre with metallic reinforcement and detailed geometry of ... -
Numerical characteristics of overloaded vertebrae L1
(Journal of bone and mineral research. Supplement: ASBMR annual meeting, September 12-15, 2014, Houston, Texas, USA : meeting abstract: MO0164, 2014) -
Numerical compensation of one-dimensional and multidimensional measurement errors
(Mechatronic Systems and Materials MSM 2006 : 2nd International Conference, 31 August - 3 September, 2006, Cracow, Poland : abstracts, 2006) -
Numerical computer methods in diagnosing aviation engines
(8th International Conference Mathematical Modelling and Analysis "MMA2003", May 28-31, 2003, Trakai, Lithuania : abstracts, 2003) -
Numerical deformation analysis of bridge concrete girders
(The Baltic journal of road and bridge engineering, 2008)Present research was aiming at deriving tension stiffening relationship based on EC2 provisions for deformation analysis of bending RC structures. According to the algorithm proposed by the first author, a tension stiffening ... -
Numerical deformation analysis of flexural reinforced lightweight aggregate concrete members
(AIP conference proceedings. 20th international conference of numerical analysis and applied mathematics (ICNAAM 2020), 17-23 September, Rhodes, Greece, 2022)Concrete is the most widely used construction material in the world. Despite the substantial advantages of this composite material, it has quite a few shortcomings as well. One of the main shortcomings is high self-weight ... -
Numerical deformation analysis of reinforced lightweight aggregate concrete flexural members
(Materials: Advances in Serviceability Analysis of Concrete Structures, 2022)In the modern construction industry, lightweight aggregate concrete (LWAC) is often used to produce load-bearing structural members. LWAC can be up to 40% lighter by volume than normal strength concrete. However, the lack ...