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Ingeniería Mecánica

versión On-line ISSN 1815-5944


GONZALEZ-BECERRA, Alfredo  y  ESTRADA-CINGUALBRES, Roberto-Andrés. Dynamic analysis for finite elements to the support of the captator of high frequency of an underground train. Ingeniería Mecánica [online]. 2015, vol.18, n.1, pp. 23-30. ISSN 1815-5944.

The objective of this work was the determination of the state of the dynamic loads in several models of the support of the system of automatic pilotage of an underground train with the employment of the Method of the Finite Elements starting from the spectral density of power of the loads and the maximum accelerations determined previously in extensometrics evaluations carried out to the same one, keeping in mind the frequencies characteristic of oscillation of the group of high frequency (HF for its initials in English). As a result of this investigation it was determined that the high values of tensions that they appeared in this element they were the cause of the appearance of the cracks and its development resulted in the appearance of high levels of vibrations, what bore to the decontrols in the operation of the system and the necessity of its repair or premature substitution. It was designed and a new model of support, more rigid, analyzed where together with the elevation of the resistance, is improves her behavior notably before the dynamic loads.

Palabras clave : dynamic analysis; finite elements; vibrations; rail transportation.

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