This paper presents a study developed in order to identify the influence and relevance of the mechanical properties of the train in the prediction of vibrations induced by passenger railway traffic. Based on experimental data and numerical simulation, a discussion about the influence of the modelling strategy adopted for the train simulation is performed. Special emphasis is placed on the study of the influence of the unsprung and semi-sprung masses of the train on the train–track interaction mechanism. From the developed study it was found that the modelling strategy adopted for the train simulation is a key factor in the prediction of the free-field vibrations. Moreover, the accuracy of the prediction is considerably increased if the train simulation considers the unsprung and semi-sprung (bogies) masses of the train.
Barron de Angoiti I. High speed rail: development around the world. In: R. Calçada, R. Delgado, A. Carvalho, G. Degrande (Eds.) Noise and vibration on high-speed railways, Porto, 2008, pp. 1–14.
2.
MadshusCKayniaM. High-speed railway lines on soft ground: dynamic behaviour at critical train speed. J Sound Vib2000; 231(3): 689–701.
3.
ShengXJonesCThompsonD. A comparison of a theoretical model for quasi-statically and dynamically induced environmental vibration from trains with measurements. J Sound Vib2003; 267(3): 621–635.
4.
LombaertGDegrandeGVanhauwereB. The control of ground-borne vibrations from railway traffic by means of continuous floating slabs. J Sound Vib2006; 297: 946–961.
5.
KatouMMatsuokaTYoshiokaO. Numerical simulation study of ground vibrations using forces from wheels of a running high-speed train. J Sound Vib2008; 318: 830–849.
6.
JuSLinH. Experimentally investigating finite element accuracy for ground vibrations induced by high-speed trains. Engng Struct2008; 30: 733–746.
7.
LombaertGDegrandeG. Ground-borne vibration due to static and dynamic axle loads of InterCity and high-speed trains. J Sound Vib2009; 319(3-5): 1036–1066.
8.
ShengXJonesCThompsonD. A theoretical study on the influence of the track on train-induced ground vibration. J Sound Vib2004; 272: 909–936.
9.
GalvínPRomeroADomínguezJ. Vibrations induced by HST passage on ballast and non-ballast tracks. Soil Dyn Earthq Engng2010; 30(9): 862–873.
10.
KouroussisGVerlindenOContiC. Ground propagation of vibrations from railway vehicles using a finite/infinite-element model of the soil. Proc IMechE, Part F: J Rail Rapid Transit2009; 223: 405–413.
11.
ZhaiWSongE. Three dimensional FEM of moving coordinates for the analysis of transient vibrations due to moving loads. Comput Geotech2010; 37: 164–174.
12.
BeskouNTheodorakopoulosD. Dynamic effects of moving loads on road pavements: a review. Soil Dyn Earthq Engng2011; 31: 547–567.
13.
ChebliHOthmanRClouteauD. 3D periodic BE-FE model for various transportation structures interacting with soil. Comput Geotech2007; 35: 22–32.
14.
LaneHKettilPWibergN. Moving finite elements and dynamic vehicle interaction. Eur J Mech A/Solids2008; 27: 515–531.
15.
ZhangSXiaoXWenZJinX. Effect of unsupported sleepers on wheel/rail normal load. Soil Dyn Earthq Engng2008; 28(8): 662–673.
16.
ZhaiWCaiZ. Dynamic interaction between a lumped mass vehicle and a discretely supported continuous rail track. Comput Struct1997; 63(5): 987–997.
GuptaSBergheHLombaertGDegrandeG. Numerical modelling of vibrations from a Thalys high speed train in the Groene Hart tunnel. Soil Dyn Earthq Engng2010; 30(3): 82–97.
19.
Calçada R, Delgado R, Cardoso A, et al. Traintrack- ground interaction on high speed lines. In: R. Calçada, R. Delgado, A. Carvalho, G. Degrande et al. (eds) Noise and vibration on high-speed railways. Porto: FEUP, 2008 pp. 241–263.
20.
FrançoisSSchevenelsMGalvínP. A 2.5D coupled FE–BE methodology for the dynamic interaction between longitudinally invariant structures and a layered halfspace. Comput Methods Appl Mech Engng2010; 199(23–24): 1536–1548.
21.
GalvínPFrançoisSSchevenelsM. A 2.5D coupled FE-BE model for the prediction of railway induced vibrations. Soil Dyn Earthq Engng2010; 30(12): 1500–1512.
22.
GavricL. Computation of propagative waves in free rail using a finite element technique. J Sound Vib1995; 185(3): 531–543.
23.
Alves CostaPCalçadaRSilva CardosoABodareA. Influence of soil non-linearity on the dynamic response of high-speed railway tracks. Soil Dyn Earthq Engng2010; 30(4): 221–235.
24.
FrançoisSSchevenelsMDegrandeG. A 2.5D finite element-boundary element model for vibration isolating screens. In: P. Sas, B. Bergen (eds) ISMA 2008 - International Conference on Noise and Vibration Engineering2008; Leuven, 2008, pp. 2765–2776.
25.
BodeCHirschauerRSavidisS. Soil-structure interaction in time domain using half-space Green's functions. Soil Dyn Earthq Engng2002; 22: 283–295.
26.
Sheng X, Jones C and Petyt M. The Fourier transformed stationary and moving dynamic flexibility matrices of a layered ground. Report, Intitute of Sound and Vibration Research, Southampton, 1999.
TadeuAAntonioJGodinhoL. Green's function for two-and-a-half dimensional elastodynamic problems in a half-space. Comput Mech2001; 27: 484–491.
29.
Alves CostaPCalçadaRSilva CardosoA. Vibrations induced by railway traffic: experimental validation of a 2.5D numerical model. M Papadrakakis, M Fragiadakis, V. Plevris (eds) COMPDYN 2011 - 3rd International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering2011; Corfu, Greece, 2011. CD-ROM.
30.
LopesPAlves CostaPCalçadaRSilva CardosoA. Análise numérica de vibrações induzidas por tráfego ferroviário em túneis baseada em modelos 2.5D. In: Correia, G. (eds). 12° Congresso Nacional de Geotecnia2010; Guimarães, 2010, pp. CD-ROM publication.
31.
LombaertGDegrandeGKogutJFrançoisS. The experimental validation of a numerical model for the prediction of railway induced vibrations. J Sound Vib2006; 297: 512–535.
32.
EsveldC. Modern railway tracks. Delft: MRT Productions, 2001.
33.
ThompsonD. Railway noise and vibration. mechanisms, modelling and means control. Oxford. Elsevier, 2010.
34.
MaynePRixG. Correlations between shear wave velocity and cone tip resistance in natural clays. Soils Found1995; 35(2): 107–110.
35.
AuerschL. Wave propagation in layered soils: theoretical solution in wavenumber domain and experimental results of hammer and railway traffic excitation. J Sound Vib1994; 173(2): 233–264.
36.
BraunHHellenbroichT. Messergebnisse von strassenunebenheiten. VDI Berichte1991; 877: 47–80.
37.
GordonC. Generic criteria for vibration-sensitive equipment. In: J. Merritt, S. Fisher (eds) Proceedings of International Society for Optical Engineering 1991. San Jose, 1991, pp. 71–85.
