Finite Element Analysis of a Go-Kart Chassis Prototype for the OK-J Category Under Static and Dynamic Loading Conditions
DOI:
https://doi.org/10.29019/enfoqueute.1190Keywords:
Finite Element Analysis, Go-Kart, Chassis, Dynamic Loads, Structural SimulationAbstract
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.
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