PENGARUH DOUBLER TERHADAP KEKUATAN STRUKTUR PADA FUSELAGE SKIN DENGAN STATION NUMBER 727G -727H STRINGER 23R – 24R PESAWAT BOEING 737 – 900ER

Alghifari Iba, Muhammad (2024) PENGARUH DOUBLER TERHADAP KEKUATAN STRUKTUR PADA FUSELAGE SKIN DENGAN STATION NUMBER 727G -727H STRINGER 23R – 24R PESAWAT BOEING 737 – 900ER. Skripsi thesis, Institut Teknologi Dirgantara Adisutjipto.

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Abstract

Structure Repair is an aircraft maintenance activity handling the structure of an aircraft, which requires repair action. Structural repair is something that is often handled in the aircraft maintenance industry. For Repair of aircraft structures already included in the SRM (Structural Repair Manual) published by the manufacture but the value of the strength of the structure to hold the load is not explained in the SRM document. The purpose of this study is to determine the Margin of Safety value of the fuselage skin Repair doubler of Boeing 737-900ER aircraft. Modeling is performed using SOLIDWORKS and ANSYS software based on material input property, meshing and analysis structure. After analyzing using ANSYS software, the software will display the results of the stress when applied tension loading, so that the maximum stress obtained can be used to determine the Margin of Safety value. The highest margin of safety value in the model without damage occurred at an altitude of 6000 feet of 22.86, the highest margin of safety value in the model when damaged occurred at an altitude of 6000 feet of 16.15 and the highest Margin of Safety value in the model after repair occurred at an altitude of 6000 feet of 17.28.

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