Investigation of Shear Band Effects on Energy Dissipation in Agricultural Non-Pneumatic Tires

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Abstract:

Non-pneumatic tires (NPTs) have been increasingly considered for agricultural machinery due to their puncture resistance, reduced maintenance, and adaptability to varying field conditions. One of the critical components governing their mechanical property is the shear band, which is a composite structure. This study investigated the effects of steel belt layers inside the shear band on the energy loss characteristics of agricultural NPTs. Finite element models were developed to simulate tire deformation under a cyclic load condition. Parametric variations in belt layer numbers and alignment were analyzed to evaluate their contribution to energy dissipation. The results reveal that shear band stiffness played dominant roles in controlling rolling resistance. The results indicated that higher vertical stiffness may not necessarily reduce rolling resistance, highlighting the importance of balancing it with other performance aspects. These findings provide design guidelines for agricultural NPTs that balance durability and energy efficiency, supporting the development of sustainable agriculture.

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39-45

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June 2026

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© 2026 Trans Tech Publications Ltd. All Rights Reserved

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