<?xml version="1.0" encoding="ISO-8859-1"?><article xmlns:mml="http://www.w3.org/1998/Math/MathML" xmlns:xlink="http://www.w3.org/1999/xlink" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance">
<front>
<journal-meta>
<journal-id>2071-0054</journal-id>
<journal-title><![CDATA[Revista Ciencias Técnicas Agropecuarias]]></journal-title>
<abbrev-journal-title><![CDATA[Rev Cie Téc Agr]]></abbrev-journal-title>
<issn>2071-0054</issn>
<publisher>
<publisher-name><![CDATA[Universidad Agraria de La Habana]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S2071-00542023000100001</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Influence of the Forward Speed in the Cutting Forces of a Vibrating Subsoiler]]></article-title>
<article-title xml:lang="es"><![CDATA[Influencia de la velocidad de avance en las fuerzas de corte de un subsolador vibratorio]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Marín Cabrera]]></surname>
<given-names><![CDATA[Luis Orlando]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[García de la Figal Costales]]></surname>
<given-names><![CDATA[Armando Eloy]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Martínez Rodríguez]]></surname>
<given-names><![CDATA[Arturo]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Universidad Agraria de La Habana (UNAH) Centro de Mecanización Agropecuaria (CEMA) Facultad de Ciencias Técnicas]]></institution>
<addr-line><![CDATA[San José de las Lajas Mayabeque]]></addr-line>
<country>Cuba</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>04</month>
<year>2023</year>
</pub-date>
<volume>32</volume>
<numero>1</numero>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_arttext&amp;pid=S2071-00542023000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_abstract&amp;pid=S2071-00542023000100001&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.sld.cu/scielo.php?script=sci_pdf&amp;pid=S2071-00542023000100001&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[ABSTRACT In the present work, it is analyzed the behavior of the cutting forces (draft force and vertical force)of a vibrating subsoiler tilling a silt loam soil (ferralitic), by a soil-tillage interaction simulation model, developed applying the Finite Element Model and using the elastoplastic Drucker-Prager constitutive model and Solid Works design software. The soil parameters and properties required for simulation, the boundary conditions and acting loads were assigned to model and the meshing of the model was realized. Several running of the model were also realized for four forward speeds (0 ms-1; 0, 4 ms-1; 0, 8 ms-1 and 1, 2 ms-1). The results showed the quadratic behavior of both forces with the increasing of forward speed.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[RESUMEN En el presente trabajo se analiza el comportamiento de las fuerzas de corte (tracción y vertical) de un subsolador vibratorio labrando un suelo arcilloso limoso (ferralítico), mediante un modelo de simulación de la interacción suelo-herramienta de labranza desarrollado aplicando el Método de Elementos Finitos, utilizando la forma lineal del modelo constitutivo elastoplástico de Drucker-Prager y el software de diseño Solid Works. Se asignaron al modelo las propiedades y parámetros del suelo requeridos para la simulación, se aplicaron las condiciones de frontera y cargas actuantes, así como fue realizada la discretización del mismo. Fueron realizadas, además, las corridas del modelo de simulación para cuatro velocidades de avance (Vm) distintas (0 ms-1; 0,4 ms-1; 0,8 ms-1 y 1,2 ms-1). Los resultados mostraron el comportamiento cuadrático de ambas fuerzas con el aumento de la velocidad de avance.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[FEM]]></kwd>
<kwd lng="en"><![CDATA[Draft Force]]></kwd>
<kwd lng="en"><![CDATA[Simulation Model]]></kwd>
<kwd lng="en"><![CDATA[Forward Speed]]></kwd>
<kwd lng="es"><![CDATA[MEF]]></kwd>
<kwd lng="es"><![CDATA[fuerza de tracción]]></kwd>
<kwd lng="es"><![CDATA[modelo de simulación]]></kwd>
<kwd lng="es"><![CDATA[velocidad de avance]]></kwd>
</kwd-group>
</article-meta>
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