| Titre : | Vibration analysis of 3D timoshenko beams subjected to moving vehicles (2012) |
| Auteurs : | Shen-Haw Ju, Auteur |
| Type de document : | Article : texte imprimé |
| Dans : | Journal of engineering mechanics (Vol.137 N° 11, Novembre 2011) |
| Article en page(s) : | pp. 713-721 |
| Note générale : | Mécanique appliquée |
| Langues : | Anglais |
| Tags : | Finite element method Beams Modal analysis Railroad trains Vehicles Wheels |
| Résumé : | This study solves the three-dimensional (3D) dynamic interaction problem between simply supported Timoshenko beams and vehicles by using theoretical equations. The model includes intermediate supports, so train-rail-soil interaction can be analyzed. The vehicle equations are formed by using a matrix method by the assemblage of spring-dampers and rigid links, and the bridge formulations are decoupled using the modal method. The Newmark method is then used to analyze these vehicle-bridge equations. Variable speed, road irregularities, vehicle eccentricities, and multiple vehicles are considered. The comparison of the beam displacements between the current and finite-element methods indicates that the accuracy of this method is acceptable. |
| DEWEY : | 620.1 |
| ISSN : | 0733-9399 |
| En ligne : | http://cedb.asce.org/cgi/WWWdisplay.cgi?285375 |
