نبذة مختصرة : This study investigates the biomechanical behavior of human tibial cancellous bone under static loading using Finite Element Analysis (FEA) in ANSYS Workbench 2025 R1. A threedimensional tibial model was developed, meshed with high precision, and analyzed under physiologically relevant boundary and loading conditions. Cancellous bone, characterized by its porous and anisotropic structure, was modeled with accurate material properties including young’s modulus, density, and Poisson’s ratio. The bone was subjected to four load cases: 50 N, 100 N, 150 N, and 200 N. Simulation results showed a linear increase in total deformation, elastic strain, and equivalent (von Mises) stress with increasing load, confirming elastic behavior across the entire range. The maximum deformation and stress values, recorded at 200 N, were 6.3934 × 10⁻¹⁰ m and 1.101 Pa respectively well within the elastic threshold of cancellous bone. Stress and strain concentrations were consistently observed in the middiaphyseal region, identifying it as a critical load-bearing zone. These findings highlight the bone’s ability to maintain structural integrity under moderate physiological loads and underscore the effectiveness of FEA in orthopedic analysis. The outcomes of this research offer valuable insights for implant design, fracture risk evaluation, and the optimization of boneimplant interfaces in clinical and biomedical engineering applications.
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