Skripsi
SIMULASI CFD-FSI KEKUATAN MEKANIK UNTUK MENENTUKAN PERSENTASE INFILL PLASTICS MATERIAL UNTUK TURBIN HAWT (HORIZONTAL AXIS WIND TURBINE)
Wind energy has become one of the most promising renewable energy sources, with horizontal-axis wind turbines widely used due to their high efficiency. However, the mechanical strength of turbine blades made using additive manufacturing is highly influenced by internal structural configurations, which may affect their durability under aerodynamic loading. To address this issue, optimization of internal filling density and pattern is required to improve structural performance while maintaining material efficiency. This study aims to determine the optimal internal filling configuration for turbine blades by evaluating their mechanical behavior under various wind conditions. The study was conducted through numerical simulations by combining airflow analysis and structural analysis. The results showed that increasing wind speed caused higher deformation, strain, and stress on the blade. Higher filling density improved structural stiffness, while the concentric pattern produced the most stable performance. The seventy-five percent concentric configuration was found to be the most effective design.
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