Computational evaluation of the cargo compartment of a light aircraft, using free software
DOI:
https://doi.org/10.18667/cienciaypoderaereo.749Keywords:
Structural evaluation, computational fluid dynamics, finite element method, Open-source software, light aircraftAbstract
This paper shows the structural evaluation of a VLA category light aircraf (maximum take-off mass less than or equal to 1200 kg), using computational fluid dynamics (CDF) sofware to evaluate the aerodynamic behavior of the aircraf and the finite element method to evaluate its structural behavior. For its structural evaluation, the aircraf has been divided into cabin, body, and flight surfaces (wings and empennage). The complete models of the aircraf were extracted from the cad model made using SolidWorks® Sofware for each of the sub-components of the cockpit, body and wings, and the empennage. From the calculations and simulations performed, it was concluded that the central structure of the aircraf supports the aerodynamic forces and moments adequately, having values below the yield values of the material. However, it is necessary to reinforce the attachment of the wing to the fuselage to reduce the effort produced in that area. Unlike other methods reported in the literature that use very specialized and high-cost programs, the procedure to evaluate the aerodynamics and central structure of a vla category light aircraf that was developed in this study made use of public domain programs, at around 80 % of the analysis process.
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Sistema General de Regalías de Colombia
Grant numbers Proyecto: “Investigación y Desarrollo en el Sector Aeronáutico del Valle del Cauca”, BPIN 20170010043
