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Syifaul Huzni Fikrir Oktianda Syarizal Fonna Fazal Rahiem Lilis Angriani

Abstract

Tibia is one of the bones that often fracture, generally occurring due to a car accident, falling from high places, work accidents, and sports injuries. Internal fixation is one of the solutions to repair broken bones. In some cases, internal fixation also failed to carry out its function, so the healing process was disturbed and did not run according to the plan. Factors that might interfere with the process can be analyzed using FEM. The objective of this study is to study the effect of the contact model used to model the connection between broken bones of the tibia, to stress distribution that occurs on fixation plate for walking conditions. Analysis was carried out by using ANSYS software with fine-sized tetrahedrons mesh. Two contact models were used. Namely, friction and bonded. The load amount used is based on the average weight of Indonesian Adults, i.e. 63 kg. The results of the analysis show that, for the friction contact model, higher stress is found in the middle area plate, adjacent to the broken location on the bone. Different results are found in the bonded contact model, larger stress occurs in the upper-end area fixation plate.

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Section
SI: Failure Analysis of Materials and Structures

How to Cite

Huzni, S., Oktianda, F., Fonna, S., Rahiem, F. and Angriani, L. (2022) “The use of frictional and bonded contact models in finite element analysis for internal fixation of tibia fracture”, Frattura ed Integrità Strutturale, 16(61), pp. 130–139. doi: 10.3221/IGF-ESIS.61.09.