Examines friction of wheelchair on various floor materials, indicating safety for users.
The main aim of this paper is to study the behavior of different types of floor materials suitable for wheelchair users. The study depends on determining the values of friction coefficient displayed by the wheelchair and the tested floor materials. Finite element 3D model of friction pair is introduced and analyzed using commercial finite element software ABAQUS/CAE. The friction coefficient values obtained from the experimental results are used as input data of the simulation model to achieve the same characteristics. It can be concluded that each case of the three tested rubber specimens- show friction values suitable for safe walking. Also it can be noticed that as the rubber hardness decreases friction coefficient increases. The simulation model makes it easy to determine the contact stress between friction pair and contact slip rates.
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Nabhan et al. (2018) studied this question.
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