Parametric evaluation of the main geometric variables in a not manned plane landing gear design by using the finite element method

被引:0
|
作者
Gonzalez, Oscar [1 ]
Martinez, Gabriela [2 ]
Graciano, Carlos [3 ]
机构
[1] Univ Simon Bolivar, Coordinac Docente Postgrad Ingn Mecan, Caracas, Venezuela
[2] Univ Austral Chile, Inst Diseno & Metodos Ind, Fac Ciencias Ingn, Valdivia, Chile
[3] Univ Nacl Colombia, Dept Ingn Civil, Medellin, Colombia
来源
UIS INGENIERIAS | 2020年 / 19卷 / 02期
关键词
landing gear; UAV; run; load factor; finite element method;
D O I
10.18273/revuin.v19n2-2020017
中图分类号
T [工业技术];
学科分类号
08 ;
摘要
The most important parameters in the design of a landing gear for drones are evaluated by using the finite element method. A tricycle configuration was selected because this is the most used model in this type of aircraft. Among the evaluated parameters are the thickness of the cross section (t), width (b), leg length (l), the angle (theta) between the leg of the undercarriage and the horizontal, materials, stroke (S), and load factor (N). From the evaluation of geometric parameters, it is observed that the thickness variation of the cross section t, and the angle.. formed between the leg of the landing gear and the horizontal, are inversely proportional to the vertical deformation and, therefore, directly proportional to the load factor N. On the other hand, the length variation of the landing gear leg behaves in the opposite way to the previous parameters. Regarding the evaluation of the materials, those with a lower elasticity modulus have better performance for this design type, less stiffness produces less stress at the impact moment, although it should be considered that a greater deformation is generated, resulting in a thickness increase of the cross section.
引用
收藏
页码:149 / 160
页数:12
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