Effect of Vibrations and Operational Parameters in Frequency and Amplitude of a Vibratory Subsoiler

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Luis Orlando Marín-Cabrera
Armando Eloy García de la Figal-Costales
Arturo Martínez-Rodríguez

Abstract

This paper aims to analyze the effect of free and forced vibrations and of working depth on the frequency and amplitude of a vibratory curved bent leg subsoiler plowing a silt loam soil (Rhodic Ferralsol) by the modal analysis of the soil-bent leg system. The finite elements method and the design software Solid Works with its complement Simulation were used to model and to simulate, the bent leg scarifier­ soil interaction. The soil was considered as homogeneous and elastoplastic of Drucker-Prager extended constitutive relation. The results showed the significant effect of the work depth on the frequencies and amplitude of the soil when the vibratory system works with free vibrations. When forced vibrations were used to different work depths, significant differences were not observed in frequencies neither of the bent leg nor of the soil. On the other hand, the resonant frequencies of the shank obtained corresponding to the two first vibration modes (2,20; 8,47 and 13,35 Hz) at a working depth of 200 mm allowed a better loosening of the soil

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How to Cite
Marín-Cabrera, L. O., García de la Figal-Costales, A. E., & Martínez-Rodríguez, A. (2021). Effect of Vibrations and Operational Parameters in Frequency and Amplitude of a Vibratory Subsoiler. Revista Ciencias Técnicas Agropecuarias, 30(2). Retrieved from https://revistas.unah.edu.cu/index.php/rcta/article/view/1405
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Original Articles

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