Ghozali, Achmad Imam (2025) Evaluasi Struktur Telapak Kaki Prostetik Tipe Solid Ankle Cuchion Heel dengan Finite Element Analysis Berdasarkan Standar ISO 10328. Undergraduate thesis, UPN Veteran Jawa Timur.
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Abstract
The availability of cost-effective yet biomechanically safe Solid Ankle Cushion Heel (SACH) prosthetic feet presents a major challenge for physical rehabilitation in Indonesia. This study aims to evaluate the structural performance of a SACH prosthetic foot design using Finite Element Analysis (FEA) in accordance with the ISO 10328 level P3 static test standard. This study compares the effects of core material variations, namely aluminum 7075 T6 against economical nylon series 6 and UHMWPE polymers, on stress distribution, deformation, and Safety Factors (SF) during gait cycle phases and maximum loading. The simulation was conducted under frictional contact boundary conditions to represent realistic interactions between the foot and the support. The analysis results showed a significant trade-off in mechanical characteristics between materials. Aluminum 7075 T6 produced the highest rigidity and Safety Factor, making it highly effective for heavy load applications and high-activity users. In contrast, polymer-based materials exhibited greater elastic deformation compared to metal. This deformation phenomenon in polymer materials plays a crucial role in the shock absorption mechanism to enhance user comfort. However, the safety limit analysis indicated that UHMWPE poses a risk of structural failure under extreme loading conditions. This study concludes that nylon series 6 is the most optimal alternative material, offering a balance between strength, lightweight properties, and cost-efficiency. Overall, the simulation results demonstrate that nylon series 6 and aluminum 7075 T6 possess strength values that meet the safety criteria of the ISO 10328 level P3 standard. Keywords: SACH prosthetic foot, finite element analysis, ISO 10328, core material, safety factor
| Item Type: | Thesis (Undergraduate) | ||||||||
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| Subjects: | T Technology > TJ Mechanical engineering and machinery | ||||||||
| Divisions: | Faculty of Engineering > Departement of Mechanical Engineering | ||||||||
| Depositing User: | Achmad Imam Ghozali | ||||||||
| Date Deposited: | 22 Dec 2025 04:14 | ||||||||
| Last Modified: | 22 Dec 2025 05:15 | ||||||||
| URI: | https://repository.upnjatim.ac.id/id/eprint/48146 |
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