<![CDATA[This study aims to: (1) simulate a 130-ton hoist frame structure using the Finite Element Analysis method, (2) analyze the distribution of stress, strain, and deformation occurring in the hoist frame structure based on the simulation results, and (3) determine the safety factor for each design variation and determine the most optimal design based on the simulation results. This study used the Finite Element Analysis (FEA) method using ANSYS Mechanical software to analyze the behavior of the hoist frame structure under a static load of 130 tons. The research stages included three-dimensional modeling of the hoist frame structure, meshing, selecting the material, boundary conditions, static loading, and static structural simulation to obtain stress, strain, deformation, and safety factor distributions. The model variations analyzed included the original frame, a frame with stiffener plate, a frame with haunch plate, and a combination of a haunch plate and stiffener plate. The structural material used SS400 structural steel based on the JIS G3101 standard. The results show that the FEA-based simulation is capable of displaying the stress, strain, deformation, and safety level distributions in detail. The addition of a stiffener plate and haunch plate is proven to reduce the maximum stress and increase the safety factor. The combined haunch and stiffener plate model produces the best performance, with a maximum stress of 127.29 MPa, a maximum strain of 0.00066711 mm/mm, a maximum deformation of 0.7801 mm, and a minimum safety factor of 1.8461.]]>
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