Abstract

To analyze the mechanical properties of porous polymers under large deformation, the homogenization analysis of hyperelasticy and mechanical loading test results of porous polymers for sports equipment were described in this paper. The porous polymers are applied to sports equipment like as shoe sole, shock protector and grip tape of racquets. In this research, the microstructures of porous polymer were assumed to deform uniformly and the microscopic periodicity remains under large deformation. To evaluate the applicability of the simulation program to the porous polymers, homogenization analysis of microscopic skeletal wall of which was assumed to be represented by nearly incompressible hyperelasticity is demonstrated. In the mechanical loading tests, fundamental properties of porous polymers for sports equipment were shown to investigate the effect of microscopic pore ratio on the macroscopic mechanical characteristics. By the comparing the numerical simulation with experimental results, applicability of the proposed model to the porous polymer is shown.

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