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Listar por Patrocinador "SHIFT2RAIL JOINT UNDERTAKING"

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Mostrando ítems 1-8 de 8

A framework to predict the airborne noise inside railway vehicles with application to rolling noise

Li, Hui; Thompson, David; Squicciarini, Giacomo; Liu, Xiaowan; Rissmann, Martin; Bouvet, Pascal; Denia, F. D.; Baeza González, Luis Miguel; Martin Jarillo, Julian; Moreno Garcia-Loygorri, Juan (Elsevier, 2021-08)

[EN] A framework is described for predicting the airborne noise inside railway vehicles which is applied to rolling noise sources. Statistical energy analysis (SEA) is used to predict the interior noise by subdividing the ...
Eulerian models of the rotating flexible wheelset for high frequency railway dynamics

Baeza González, Luis Miguel; Giner Navarro, Juan; Thompson, David J.; Monterde, Juan (Elsevier, 2019-06-09)

[EN] In this paper three formulations based on an Eulerian approach are presented to obtain the dynamic response of an elastic solid of revolution, which rotates around its main axis at constant angular velocity. The ...
Extension of the modal superposition method for general damping applied in railway dynamics

Giner Navarro, Juan; Andrés-Ruiz, Víctor Tomás; Martínez Casas, José; Denia Guzmán, Francisco David (R. Company, J. C. Cortés, L. Jódar and E. López-Navarro, 2019-07-12)

[EN] The frequency response function (FRF) permits to characterise in the frequency domain the systems governed by linear dynamics by means of a relationship between an excitation applied at one degree of freedom (dof) and ...
Investigation of acoustic transmission beneath a railway vehicle by using statistical energy analysis and an equivalent source model

Li, Hui; Thompson, David; Squicciarini, Giacomo; Liu, Xiaowan; Rissmann, Martin; Denia, F. D.; Giner Navarro, Juan (Elsevier, 2021-03)

[EN] An approach is presented for modelling the noise propagation beneath the train floor and this is applied to rolling noise sources. It is assumed that the sound incident on the train floor is made up of a direct and a ...
Measurements and modelling of dynamic stiffness of a railway vehicle primary suspension element and its use in a structure-borne noise transmission model

Liu, Xiaowan; Thompson, David; Squicciarini, Giacomo; Rissmann, Martin; Bouvet, Pascal; Xie, Gang; Martínez Casas, José; Carballeira, Javier; Lopez Arteaga, Inés; Garralaga, Miguel A.; Chover, José A. (Elsevier, 2021-11)

[EN] The noise inside railway vehicles is transmitted by both structure-borne and airborne paths and, although there are many sources, the rolling noise is often the most important. This paper focuses on the structure-borne ...
Study of the influence falling friction on the wheel/rail contact in railway dynamics

Giner Navarro, Juan; Víctor Andrés-Ruiz; Martínez Casas, José; F. D. Denia (R. Company, J. C. Cortés, L. Jódar and E. López-Navarro, 2019-07-12)

The complexity of the railway interaction comes from the coupling between the train and the track introduced through the forces appearing in the wheel/rail contact area. These forces are governed by the friction coefficient ...
Using a 2.5D boundary element model to predict the sound distribution on train external surfaces due to rolling noise

Li, Hui; Thompson, David; Squicciarini, Giacomo; Liu, Xiaowan; Rissmann, Martin; Denia, Francisco D.; Giner Navarro, Juan (Elsevier, 2020-11-10)

[EN] In order to be able to predict train interior noise, it is first important to calculate the external sound pressure distribution on the floor, sidewalls and roof. This can then be combined with the transmission loss ...
Virtual test method of structure-borne sound for a metro bogie

Xie, Gang; Rissman, Martin; Bouvet, Pascal; Liu, Xiaowan; Thompson, David J.; Baeza González, Luis Miguel; Moreno, Juan; Martín-Jarillo, Julián; Denia Guzmán, Francisco David; Giner Navarro, Juan; López-Arteaga, Inés (Springer Nature, 2021-01-01)

[EN] This paper presents a virtual test method for structure-borne noise generated from railway running gear. This method combines a number of existing tools to form a system approach. The wheelset and bogie frame are ...

Mostrando ítems 1-8 de 8

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Listar por Patrocinador "SHIFT2RAIL JOINT UNDERTAKING"

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