A Simulation Study of E-Glass Reinforced Polyurethane Footbed and Investigation of Parameters Effecting Elastic Behaviour of Footbed Material

Authors: Berkay Ergene, Çağın Bolat

Abstract:

In this study, we mainly focused on a simulation study regarding composite footbed in order to contribute to shoe industry. As a footbed, e-glass fiber reinforced polyurethane was determined since polyurethane based materials are already used for footbed in shoe manufacturing frequently. Flat, elliptical and rectangular grooved shoe soles were modeled and analyzed separately as TPU, 10% glass fiber reinforced, 30% glass fiber reinforced and 50% glass fiber reinforced materials according to their properties under three point bending and compression situations to determine the relationship between model, material type and mechanical behaviours of composite model. ANSYS 14.0 APDL mechanical structural module is utilized in all simulations and analyzed stress and strain distributions for different footbed models and materials. Furthermore, materials constants like young modulus, shear modulus, Poisson ratio and density of the composites were calculated theoretically by using composite mixture rule and interpreted for mechanical aspects.

Keywords: Composite, elastic behaviour, footbed, simulation.

Digital Object Identifier (DOI): doi.org/10.5281/zenodo.3607842

References:

[1] Alexandre Landesmann, Carlos Alexandre Seruti, Eduardo de Miranda Batista, Mechanical Properties of Glass Fiber Reinforced Polymers Members for Structural Applications, Materials Research. 2015; 18(6): 1372-1383.
[2] Leonardo Mackmillan Paim, João Marciano Laredo dos Reis, Heraldo Silva da Costa Mattos, Analysis of a glass fiber reinforced polyurethane composite repair system for corroded pipelines at elevated temperatures, IV International Symposium on Solid Mechanics - MecSol 2013, April 18 - 19, 2013 - Porto Alegre – Brazil.
[3] Lei Wang, Wuxue Dingand Yu Sun, Effect of different fiber materials on mechanical properties of polyurethane composites, 2nd International Workshop on Materials Engineering and Computer Sciences (IWMECS 2015).
[4] J.M.L. Reis, F. L. Chaves, H.S. da Costa Mattos, Tensile Behaviour of Glass Fibre Reinforced Poliurethane at Different Strain Rates, 22nd International Congress of Mechanical Engineering (COBEM 2013), November 3-7, 2013, Ribeirão Preto, SP, Brazil.
[5] Thilina W. Weerasinghe, Ravindra S. Goonetilleke, Getting to the Bottom of Footwear Customization, J Syst Sci Syst Eng, ISSN: 1004-3756 (Paper) 1861-9576 (Online).
[6] Mariana Pastina, Aura Mihai, Nikolaos Bilalis, Finite Element Analysis for Insole-Sole Prototypes, ICAMS 2012 – 4th International Conference on Advanced Materials and Systems.
[7] Jason Tak-Man Cheung, and Ming Zhang, Finite Element Modeling of the Human Foot and Footwear, 2006 ABAQUS Users’ Conference.
[8] Harisha.S, Y.J. Suresh, Rotor dynamics analysis of a multistage centrifugal pump, International Journal of Innovative Research in Science, Engineering and Technology, ISSN:2319-8753, Volume 3, Issue 9, September 2014
[9] http://inside.mines.edu/~apetrell/ENME442/Documents/SOLID186.pdf
[10] http://www.azom.com/properties.aspx?ArticleID=764, 10.02.2017
[11] Materials Data Book, 2003 edition, Cambridge University Department, page 11-14.
[12] Kaw AK. Mechanics of Composite Materials, 2nd edition. Taylor and Francis, 471, USA, 2006.