Finite Element Analysis of a Running-Specific Transtibial Prosthesis Designed for Additive Manufacturing

Szőcs, Krisztina and Egyed-Faluvégi, Erzsébet (2025) Finite Element Analysis of a Running-Specific Transtibial Prosthesis Designed for Additive Manufacturing. MŰSZAKI TUDOMÁNYOS KÖZLEMÉNYEK (EN), 23. pp. 80-86. ISSN 2601-5773

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Abstract

This study explores the application of additive manufacturing in the design and testing of transtibial run ning prostheses. The research consists of two main phases: design and evaluation. The prosthesis model is created using Autodesk Inventor, incorporating different internal lattice structures—grid, triangular, and zig-zag patterns—optimally suited for 3D printing. These structures aim to balance weight reduction and load-bearing capacity. The model is then subjected to finite element analysis (FEA) using ANSYS software to assess its structural performance under three distinct loading conditions. The analysis examines deforma tion and stress distribution to determine the most effective internal pattern for maximizing strength while minimizing material usage. Identifying the optimal infill pattern could lead to more efficient manufacturing processes, reducing material and production costs while providing lighter, more comfortable prosthetic solu tions for athletes.

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