<?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>1390-6542</journal-id>
<journal-title><![CDATA[Enfoque UTE]]></journal-title>
<abbrev-journal-title><![CDATA[Enfoque UTE]]></abbrev-journal-title>
<issn>1390-6542</issn>
<publisher>
<publisher-name><![CDATA[Universidad UTE]]></publisher-name>
</publisher>
</journal-meta>
<article-meta>
<article-id>S1390-65422025000400006</article-id>
<article-id pub-id-type="doi">10.29019/enfoqueute.1190</article-id>
<title-group>
<article-title xml:lang="en"><![CDATA[Finite Element Analysis of a Go-Kart Chassis Prototype for the OK-J Category Under Static and Dynamic Loading Conditions]]></article-title>
</title-group>
<contrib-group>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Simbaña]]></surname>
<given-names><![CDATA[I.]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Saquinga]]></surname>
<given-names><![CDATA[David]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
<contrib contrib-type="author">
<name>
<surname><![CDATA[Viera]]></surname>
<given-names><![CDATA[Manuel]]></given-names>
</name>
<xref ref-type="aff" rid="Aff"/>
</contrib>
</contrib-group>
<aff id="Af1">
<institution><![CDATA[,Instituto Superior Universitario Sucre  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af4">
<institution><![CDATA[,Instituto Superior Universitario Sucre  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<aff id="Af6">
<institution><![CDATA[,Instituto Superior Universitario Sucre  ]]></institution>
<addr-line><![CDATA[ ]]></addr-line>
<country>Ecuador</country>
</aff>
<pub-date pub-type="pub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<pub-date pub-type="epub">
<day>00</day>
<month>12</month>
<year>2025</year>
</pub-date>
<volume>16</volume>
<numero>4</numero>
<fpage>47</fpage>
<lpage>52</lpage>
<copyright-statement/>
<copyright-year/>
<self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_arttext&amp;pid=S1390-65422025000400006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_abstract&amp;pid=S1390-65422025000400006&amp;lng=en&amp;nrm=iso"></self-uri><self-uri xlink:href="http://scielo.senescyt.gob.ec/scielo.php?script=sci_pdf&amp;pid=S1390-65422025000400006&amp;lng=en&amp;nrm=iso"></self-uri><abstract abstract-type="short" xml:lang="en"><p><![CDATA[Abstract This study presents a structural evaluation of a Go-Kart chassis prototype through Finite Element Analysis (FEA), aimed at validating its mechanical integrity under both static and dynamic loading conditions. The design adheres to international CIK-FIA standards and local FEDAK regulations, utilizing ASTM A36 steel tubing with a diameter of 38.1 mm and a wall thickness of 3 mm, which is selected for its availability and cost-effectiveness in the Ecuadorian market. The ladder-type chassis was modeled with standard dimensions, 700 mm in width, 1800 mm in length, and a 1070 mm wheelbase, to be analyzed under loads corresponding to component weight, driver mass, and forces from braking, acceleration, and cornering. Mesh quality was confirmed using the aspect ratio method, yielding a value of 3.266, which ensures accurate stress distribution. Simulation results indicated that the inclusion of a reinforcing cross member limited the maximum stress to 232 MPa, remaining within the 240 MPa yield strength of the material. Maximum displacement did not exceed 0.8 mm, confirming the chassis's structural resilience. The results underscore the utility of FEA as a strategic design tool, enabling early detection of critical stress areas and optimizing structural performance previous fabrication. This research presents a replicable methodology for lightweight chassis design and highlights the importance of simulation-driven development to enhance safety, reduce weight, and improve efficiency in small-scale vehicle engineering.]]></p></abstract>
<abstract abstract-type="short" xml:lang="es"><p><![CDATA[Resumen Este trabajo presenta un análisis estructural de un prototipo de bastidor para Go-Kart, desarrollado mediante el método de elementos finitos (FEA), con el propósito de evaluar su comportamiento mecánico frente a cargas estáticas y dinámicas. El diseño se fundamentó en las dimensiones estándar de la CIK-FIA, 700 mm de ancho, 1800 mm de largo y 1070 mm de distancia entre ejes, utilizando tubería de acero ASTM A36, diámetro de 38.1 mm y espesor de 3 mm, material seleccionado por su disponibilidad y relación costo-resistencia en el mercado ecuatoriano. Se modeló un bastidor tipo escalera, aplicando cargas equivalentes al peso del conductor, los componentes y las solicitaciones dinámicas generadas por frenado, aceleración y maniobras de giro. La calidad de la malla fue validada mediante el criterio del cociente de aspecto, con un valor de 3.266, lo que aseguró una buena calidad numérica. Los resultados indicaron que, tras incorporar un larguero transversal adicional, los esfuerzos máximos alcanzaron 232 MPa, permaneciendo por debajo del límite elástico del material de 240 MPa, mientras que la deformación máxima fue de 0.8 mm. Estos resultados confirman la viabilidad estructural del diseño propuesto y destacan la utilidad del análisis computacional como herramienta para optimizar el diseño de bastidor. Se propone esta metodología como base para futuras validaciones experimentales, estudios de fatiga e implementación de materiales alternativos que contribuyan a mejorar la seguridad y eficiencia estructural en vehículos de pequeña escala.]]></p></abstract>
<kwd-group>
<kwd lng="en"><![CDATA[Finite element analysis]]></kwd>
<kwd lng="en"><![CDATA[Go-Kart]]></kwd>
<kwd lng="en"><![CDATA[chassis]]></kwd>
<kwd lng="en"><![CDATA[dynamic loads]]></kwd>
<kwd lng="en"><![CDATA[structural simulation]]></kwd>
<kwd lng="es"><![CDATA[Análisis por elementos finitos]]></kwd>
<kwd lng="es"><![CDATA[Go-Kart]]></kwd>
<kwd lng="es"><![CDATA[bastidor]]></kwd>
<kwd lng="es"><![CDATA[cargas dinámicas, simulación estructural]]></kwd>
</kwd-group>
</article-meta>
</front><back>
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