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Vol. 5, July  Issue 7

Paper Submission  Deadline : 6th  August 2020...
Vol. 5,  Special Issue(Bi-yearly)

IMPACT FACTOR 5.909 (2018)

UGC Listed Journal(2017) 


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MODELING AND STRUCTURAL ANALYSIS OF CIVILTRANSPORT AIRCRAFT NOSE LANDING GEAR USING FEM


Abstract

Abstract:An aircraft landing gear system must absorb the kinetic energy produced by alanding impact and excitations caused by the aircraft travelling over an unevenrunway surface. This is the necessary requirement of a successfully designedlanding system. The oleo-pneumatic shock is the most common type of shockabsorber landing gear system used in aircrafts. It dissipates the kineticenergy produced by impacts arising when an airplane lands at high speed butalso offers a comfortable ride to passengers when the airplane taxies at lowspeed. The objective of this project is to determine the stress ,displacement,strain, shear stress of of a nose gear using the different materials likeFerrium M54, Ti 10Al 2Fe 3v , Ti 6Al-6v-2sn , Al 7075 of an aircraft duringlanding using structural finite element analysis. The landing gear was firstmodeled using catia software and then imported into Ansys software perform asatic and modal analysis. The apply the working forces on Nose landing gearwere taken the boundary conditions. finally concluded the which material is thesuitable for landing gear based on the stress , displacement ,strain, shearstress values.

Keywords—Landing gear, shock absorber,loads, stresses, rebound chamber models.


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