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<p>Created page with &quot; == Abstract == International audience; Based on the finite element method, the wave finite element method (WFE) permits to analyze the dynamics of a periodic structure by us...&quot;</p> <p><b>New page</b></p><div><br /> == Abstract ==<br /> <br /> International audience; Based on the finite element method, the wave finite element method (WFE) permits to analyze the dynamics of a periodic structure by using a wave decomposition of one period. This method reduces the number of DOF and it has advantages in calculation time. However, it cannot be applied easily to a railway track because this structure is subjected by moving loads which are not considered in a classical WFE. In this article, we present a technique to deal with moving loads applying in a railway track where the track components are modeled by 3D continuous media. By using the classical WFE for one track period in frequency domain, we can rewrite the vector of DOF and loads in a wave base. Then, we can calculate the wave amplitudes of the moving loads from their representation in this base. Thereafter, we apply the wave analyze of WFE to the hold structure. The result shows that the moving loads lead to a sum of wave amplitudes. Finally, we apply this method for a railway track subjected to constant moving loads with numerical application. The new technique permits to analyze the dynamic of railway tracks by considering only one track period.<br /> <br /> <br /> == Original document ==<br /> <br /> The different versions of the original document can be found in:<br /> <br /> * [https://hal.archives-ouvertes.fr/hal-02142477 https://hal.archives-ouvertes.fr/hal-02142477],<br /> : [https://hal.archives-ouvertes.fr/hal-02142477/document https://hal.archives-ouvertes.fr/hal-02142477/document],<br /> : [https://hal.archives-ouvertes.fr/hal-02142477/file/communication_2018_4.pdf https://hal.archives-ouvertes.fr/hal-02142477/file/communication_2018_4.pdf]</div>

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