In this study, the robustness of five different commercial type wheelchairs under direct frontal impact loadings were modeled, examined and compared. Wheelchairs were modeled, simulated and analyzed under direct frontal impact process using ANSYS/LS-DYNA software. The stresses, strains and displacements of deformed shapes were obtained and compared. The results showed that, “Wheelchair Chassis 4” is the most economic and robust design. Finally the chosen wheelchair design was modified and developed and its robustness was examined.

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