<![CDATA[The structural integrity of a laboratory oil-fluid flow test bench depends strongly on the stiffness and load-carrying capacity of its supporting frame. This study evaluates a stainless-steel frame designed for an oil fluid flow test bench using a linear static finite element analysis (FEA) implemented in SolidWorks 2022. The frame is constructed from SS304 hollow sections with a nominal cross-section of 40 × 40 mm and a wall thickness of 1.2 mm. Five vertical load cases 10, 20, 30, 55, and 81 kg were investigated. The numerical model used fixed supports at the frame feet and static loading on the upper structure. The principal responses were maximum stress, resultant displacement, and factor of safety. The calculated maximum stresses were 25.514, 51.026, 76.541, 140.326, and 206.661 MPa, respectively. Maximum resultant displacements were 0.312, 0.625, 0.937, 1.718, and 2.530 mm. The corresponding factors of safety were 8.1, 4.0, 2.7, 1.4, and 1.0. The response is approximately proportional to the applied load, consistent with the assumptions of linear static analysis. The results indicate that the 30 kg case provides a substantially larger safety margin than the higher-load cases, while 81 kg reaches the adopted yield-strength criterion. The study demonstrates that CAD-integrated FEA is useful for screening frame designs before fabrication, while also showing the importance of mesh verification, realistic joint modeling, and experimental validation for future work.]]>
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