PENGARUH VARIASI DIAMETER TRAILING ARM LANDING GEAR PADA PESAWAT FALCON 7X TERHADAP TEGANGAN DAN DEFLEKSI MENGGUNAKAN FINITE ELEMENT ANALYSIS (FEA)

AFONCO DA COSTA LELAN, DOMINGOS (2019) PENGARUH VARIASI DIAMETER TRAILING ARM LANDING GEAR PADA PESAWAT FALCON 7X TERHADAP TEGANGAN DAN DEFLEKSI MENGGUNAKAN FINITE ELEMENT ANALYSIS (FEA). Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Trailing arm is a suspension that is usually used on the rear landing gear and produces a smoother landing for a better ride when sliding, this serves to withstand the impact when landing and withstand the tension and vibration when taxiing. In this research, the trailing arm is designed using finite element analysis (FEA) based software using the autodesk inventor program to create a model of a desirable trailing arm with different diameter variations. Then the data were export in an extension to be compatible with ANSYS Static Structural Software, which produces data in the form of displacement, von-mises stress and diameter analysis on the trailling arm. To carry out these simulations, first the material properties to be used must be defined, namely the stell alloys 4340 material because it has a high density on the landing gear of the Falcon 7X Traling Arm. From the simulation results, the diameter 60 mm had 8.1786 Mpa, 70 mm the had 8.1412 MPa and 80 mm had 6.2242 MPa tension. Simulation of deflection of 60 mm, 70 mm and 80 mm diameter variations using Static Structural ANSYS Software showed that the trailing arm had the same deflection results so that there is no difference. It can be concluded the greater the diameter variation, the smaller the had simulation achieved.

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