Search Results - "Dimitrovová, Zuzana"

Semi-analytical approaches to vibrations induced by moving loads by Dimitrovová, Zuzana

“…With the evolution of the computational power, there is a tendency to overlook analytical and semi-analytical solutions, despite their inherent obvious…”
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Moving mass problem: Complete solution with the effect of initial conditions by Dimitrovová, Zuzana

“…In this contribution, recently published new semi-analytical solution for the moving mass problem [1] is extended to account for the transient terms that adapt…”
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Two-layer model of the railway track: Analysis of the critical velocity and instability of two moving proximate masses by Dimitrovová, Zuzana

“…•New fully analytical formula for the critical velocity (in the absence or shear resistance and axial force).•New fully analytical expression for the natural…”
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Dynamic interaction and instability of two moving proximate masses on a beam on a Pasternak viscoelastic foundation by Dimitrovová, Zuzana

“…•It is proven that instability of two proximate moving masses occurs at the critical velocity in the absence of damping.•Instability of two proximate moving…”
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Semi-analytical solution for a problem of a uniformly moving oscillator on an infinite beam on a two-parameter visco-elastic foundation by Dimitrovová, Zuzana

“…In this paper a semi-analytical solution for transverse vibrations induced by a moving oscillator is derived and validated. It is assumed that the oscillator…”
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New semi-analytical solution for a uniformly moving mass on a beam on a two-parameter visco-elastic foundation by Dimitrovová, Zuzana

“…In this paper a new semi-analytical solution for the moving mass problem is presented. Firstly, the problem of a mass traversing a finite beam on an elastic…”
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Complete semi-analytical solution for a uniformly moving mass on a beam on a two-parameter visco-elastic foundation with non-homogeneous initial conditions by Dimitrovová, Zuzana

“…•Semi-analytical solution for moving mass problem on infinite beams.•Inclusion of non-homogeneous initial conditions.•Determination of accurate full vibration…”
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Message from the Organizers by Maia, Nuno, Dimitrovová, Zuzana

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The study of the interlock of ballast in triaxial geogrids by Pires, Diogo, Barroso, Madalena, Fontul, Simona, Dimitrovová, Zuzana

“…Rail transport is the most efficient way of transport from an energetic and environmental point of view. The integration of geosynthetics in the rehabilitation…”
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Semi-analytical analysis of vibrations induced by a mass traversing a beam supported by a finite depth foundation with simplified shear resistance by Dimitrovová, Zuzana

“…In this paper the new semi-analytical solution for the moving mass problem on massless foundation, published by the author of this paper, is extended to…”
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Numerical analysis of geogrid contribution to railway track reinforcement by Lanca, António, Dimitrovová, Zuzana, Barroso, Madalena, Fontul, Simona

“…In this work, influence of geogrids on overall stabilization of railway tracks is studied numerically. It is expected that by geogrids implementation…”
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Dynamic responses of vehicle ballasted track interaction system for heavy haul trains by Wang, Yingjie, Dimitrovová, Zuzana, Yau, Jong-Dar

“…In this study, the dynamic responses of ballasted tracks subjected to heavy haul trains are investigated. The vehicle ballasted track interaction (VTI) model…”
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Dynamic response of a vehicle with flexible car body moving on a ballasted track by Wang, Yingjie, Dimitrovová, Zuzana, Yau, Jong-Dar

“…In this study, the dynamic response of a vehicle with flexible car body moving on a ballasted track is investigated. The vehicle/track interaction model is…”
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Semi-Analytical Approach and Green's Function Method: A Comparison in the Analysis of the Interaction of a Moving Mass on an Infinite Beam on a Three-Layer Viscoelastic Foundation at the Stability Limit-The Effect of Damping of Foundation Materials by Dimitrovová, Zuzana, Mazilu, Traian

“…In this paper, the interaction of a mass moving uniformly on an infinite beam on a three-layer viscoelastic foundation is analyzed with the objective of…”
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Special Issue from WMVC 2022 by Dimitrovová, Zuzana

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Instability of Vibrations of Mass(es) Moving Uniformly on a Two-Layer Track Model: Parameters Leading to Irregular Cases and Associated Implications for Railway Design by Dimitrovová, Zuzana

“…Ballasted railway tracks can be modeled using reduced/simplified models composed of several layers of discrete components. This paper deals with the two-layer…”
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Analysis of the critical velocity of a load moving on a beam supported by a finite depth foundation by Dimitrovov, Zuzana

“…•Semi-analytical solution of steady-state response of infinite beam on finite depth foundation under constant force in 2D.•Enhanced formula for the critical…”
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Critical velocity of a uniformly moving load on a beam supported by a finite depth foundation by Dimitrovovaa, Zuzana

“…In this paper, a new formula for the critical velocity of a uniformly moving load is derived. It is assumed that the load is traversing a beam supported by a…”
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On the Critical Velocity of Moving Force and Instability of Moving Mass in Layered Railway Track Models by Semianalytical Approaches by Dimitrovova, Zuzana

“…This article presents a comparison between layered models of a railway track. All analyses are based on semianalytical approaches to show how powerful they can…”
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A general procedure for the dynamic analysis of finite and infinite beams on piece-wise homogeneous foundation under moving loads by DIMITROVOVA, Zuzana

“…Transversal vibrations induced by a load moving at a constant speed along a finite or an infinite beam resting on a piece-wise homogeneous visco-elastic…”
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