Contact pressure distribution has been an important issue on the tire design due to its significant effect on passengers’ comfort, vehicle handling, wear, and noise. Motivated by our previous finite element results on contact pressure reduction with a non-pneumatic tire (NPT) of two-dimensional (2D) lattice spokes, we explore structural performance of a NPT tire with three-dimensional (3D) lattice spokes. In this study, static contact pressure of a NPT with 3D lattice spokes is investigated as a function of vertical load and is compared with that of a pneumatic tire. Finite element based numerical simulation of the contact pressure of a NPT is conducted with ABAQUS for varying vertical forces and 3D lattice spoke geometries.

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