Finite Element Analysis of a Water Curtain Spray Booth Frame under Static Loading

Abstract

The structural reliability of a spray booth frame is a critical factor in ensuring safe and stable operation, particularly for water curtain spray booth systems that support multiple mechanical components and operational loads. This study aimed to evaluate the structural performance of a water curtain spray booth frame constructed from ASTM A36 steel under static operational loading using Finite Element Analysis (FEA). A three-dimensional computer-aided design (CAD) model of the frame was developed and analyzed in SolidWorks Simulation 2024. The numerical simulation considered a total operational load of 415.94 N, representing the combined weight of the structural and mechanical components. The structural response was evaluated based on the von Mises stress distribution, maximum displacement, and factor of safety, and the numerical results were validated through theoretical calculations. The simulation produced a maximum von Mises stress of 35.06 MPa, a maximum displacement of 0.427 mm, and a minimum factor of safety of 7.10. Comparison with theoretical calculations resulted in percentage differences of 28.14%, 23.33%, and 21.97% for von Mises stress, displacement, and factor of safety, respectively, indicating acceptable agreement between the analytical and numerical approaches. These findings demonstrate that the proposed ASTM A36 steel portal-frame configuration satisfies the structural performance requirements under the investigated static loading conditions. The application of finite element analysis during the design stage provides an effective engineering approach for evaluating structural reliability and supporting the development of water curtain spray booth systems prior to fabrication.