Determination of the Harmonic Response of a Railway Wheelset using the Finite Element Analysis Method

Cruceanu, Ioan Cristian; Sorohan, Ştefan

doi:10.1016/j.promfg.2020.03.026

Cited by 9 publications

(6 citation statements)

References 6 publications

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“…Since the cantilever structure can be regarded as a simple truss system, its first 10 natural frequencies and vibration modes mainly depend on the torsional and bending stiffness of the cantilever. The modal analysis results are shown in Table 1: Use ANSYS software to analyze the harmonic response of the structure [15,16], and find out the vibration frequency that has the greatest influence on the dynamic performance of the structure under the action of external loads (especially the moment when the pantograph passes, wind load and contact wire tension changes). Under the action of dynamic loads with different excitation frequencies, the maximum vertical displacement point of the cantilever system and the maximum peak value of the vertical displacement response of the anchor positioning clip appear in the third mode, as shown in Figure 6.…”

Section: Structural Dynamic Model and Dynamic Characteristic Analysismentioning

confidence: 99%

Dynamic Analysis of Cantilever Structure for Catenary System

Li¹

2021

AJTTE

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Structural dynamics analysis is widely used in the fields of civil engineering, automobile manufacturing industry, Aerospace industry, and construction machinery. It is rarely applied in the railway transportation industry, especially the catenary arm structure. In this paper, a dynamic analysis of the cantilever structure is carried out, and the natural frequency of the cantilever structure is obtained. Through research, the frequency range that can cause the resonance of the cantilever structure is found and compared with the structural vibration frequency caused by the external load in the actual working condition. For this purpose, a finite element model of cantilever structure was created based on engineering practice. Static analysis was done by using finite element method to test the model's strength and stiffness. Then a dynamic model was made and modal analysis was done in order to get the first ten natural frequencies and corresponding modes. Resonance frequency was got by taking harmonic response analysis under the influence of external load. After all of these, a conclusion was made and the overall structure of the resonance phenomenon will not occur in actual situation which coincides with engineering actuality. It provides theoretical support for engineering practice. And also provides a theoretical basis for the follow-up structural anti-loose research.

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Section: Structural Dynamic Model and Dynamic Characteristic Analysismentioning

confidence: 99%

Dynamic Analysis of Cantilever Structure for Catenary System

Li¹

2021

AJTTE

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“…The plates have been modelled in a curvilinear shape with a stiffener. The harmonic response of a Minden Deutz type bogie of a passenger coach wheelset based on the finite element method has been determined by Cruceanu and Sorohan (2020). The nonlinear vibration of cracked Mindlin plate with in-plane preload has been investigated by Xue et al (2020).…”

Section: Introductionmentioning

confidence: 99%

The Impact of the Cracks on the Harmonic Response of Stiffened Steel Plates

Daş

Gönenli

2022

Lat. Am. j. solids struct.

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Stiffened plates are employed in various engineering structures including aerospace, civil, naval, etc. These structures may be subjected to harmonic loads. Therefore, it is essential to understand the harmonic response of a cracked stiffened structure. This study presents the effects of the crack location on the free vibration and harmonic response of the stiffened plates. For this purpose, horizontal and vertical cracks are modelled throughout the fixed from two-side structure. The analyses are performed via the Finite Element Method and the Mode Superposition technique. The natural frequencies and the displacement responses of the cracked and healthy structures are obtained and interpreted. It is concluded that a horizontal crack can decrease the third natural frequency by 60% as it is located in the center of the stiffened plate that is fixed from its nonstiffened edges. Thus, the displacement response of the stiffened structures is increased by 18% in the presence of the side horizontal or vertical cracks, which are located at the free ends of the stiffened structures no matter which boundary condition is considered.

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“…7 and 8, it follows, first of all, to draw such an important conclusion that the amplitude of the third harmonic oscillations is about 50 % of the first. Since the system under consideration is linear, and the perturbation is represented by only one harmonic, the appearance of the third harmonic must be attributed to the action of a parametric perturbation [7]. The accelerations of the wheelset due to the action of harmonic geometric roughness are given in Fig.…”

Section: Introductionmentioning

confidence: 99%

Analysis of forced oscillations of wheelset bouncing from multiplicative perturbation specified by harmonic function

Nikolaev¹,

Musayev²,

Zhauyt³

2022

J., mech. eng. autom., control. syst.

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The article analyzes the movement of a wheelset along a path that is unequal in length with wave wear of the rails. The authors studied the influence of a force external disturbance on the parametric system “wheel-rail”. The problem under consideration is solved on the basis of a mathematical model of the interaction of a wheel pair and an unequal track, taking into account the additive effect of unequal stiffness on a railway vehicle. It is shown that taking into account the longitudinal uneven elasticity of the railway track makes it possible to more accurately determine the resonant regions and evaluate the decrease or increase in the acceleration level and the amplitudes of bouncing of the unsprung mass of the rolling stock.

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Determination of the Harmonic Response of a Railway Wheelset using the Finite Element Analysis Method

Cited by 9 publications

References 6 publications

Dynamic Analysis of Cantilever Structure for Catenary System

Dynamic Analysis of Cantilever Structure for Catenary System

The Impact of the Cracks on the Harmonic Response of Stiffened Steel Plates

Analysis of forced oscillations of wheelset bouncing from multiplicative perturbation specified by harmonic function

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