Experimental and Numerical Study of Non-Pneumatic Tires with Honeycomb Structure on Varying Road Inclination Angles
Abstract
Abstract: The increasing demand for vehicle mobility necessitates advancements in tire technology, with non-pneumatic tires (NPT) emerging as a promising alternative. NPTs address key limitations of conventional pneumatic tires, such as puncture risks and air pressure dependency. The honeycomb structure in NPTs is engineered to enhance load-bearing capacity and shock absorption, yet its performance under varying road inclination angles remains underexplored. This study integrates both experimental and numerical methodologies using the Finite Element Method (FEM). Three distinct NPT models with varying honeycomb cell angles were tested on inclined road surfaces (0°, 10°, and 20°). Experimental trials were conducted with a Universal Tensile Machine (UTM) to evaluate vertical reaction forces, while numerical simulations in ANSYS validated experimental outcomes under dynamic conditions. Key parameters such as von Mises stress distribution and stiffness were analyzed. Findings indicate that NPT models with smaller honeycomb cell angles exhibit higher vertical reaction forces, suggesting superior load-bearing capabilities on inclined surfaces. This research provides critical insights for optimizing NPT designs, particularly in applications where stability and durability are essential.
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