CD Skripsi
“Analisis Kekuatan Struktur Sasis Dan Kerangka Bodi Bus Listrik Ukuran Besar Menggunakan Metode Elemen Hingga”
ABSTRACT
Analysis of the strength of the chassis structure and the large-sized electric bus body frame is needed to determine the ability to withstand various loads. The purpose of this study is to coMPare the magnitude of the total deformation, equivalent stress (von misses), and safety factor between the original chassis materials, namely (SS400 & Aluminum 6061) with alternative materials (SUS201 & Aluminum 60603 T6) and (STKM16A & Aluminum 6065 A T6) under vertical loading conditions, acceleration, deceleration, and turning. Using the finite element method with the help of ANSYS R1 202 software. The finite element method is a popular method for solving differential equations numerically that appear in engineering and mathematical modeling. Problem areas that are usually of concern include structural analysis, heat transfer, fluid flow, mass transport, and electromagnetic potential. The finite element method divides the problem into small and simple elements, then solves the equations on each element, and then combines them to obtain an overall solution.
The lowest total deformation was achieved by the material (SS400 & Aluminum 6061) which is 0.93 mm - 8.80 mm. While the highest total deformation was achieved by (STKM16A & Aluminum 6065 A T6) which is 0.95 - 8.88 mm. This is because the young's modulus value is inversely proportional to the total deformation. The lowest equivalent stress was achieved by (STKM 16 A & Aluminum 6065 A T 6). While the materials differ significantly from each other. This is because the yield strength value can affect the equivalent stress value. The lowest safety factor was achieved by (SS400 & Aluminum 6061) which is 3.3 - 10.8. While the highest safety factor was achieved by (STKM 16 A & Aluminum 6065 A T6) which is 3.6 - 11.4. This is because the yield strength value is directly proportional to the safety factor.
Keywords: Electric Bus, Finite Element Method, Chassis Structure, Body Frame
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