Design of Cellular Shear Bands of a Non-Pneumatic Tire -Investigation of Contact Pressure
Design of Cellular Shear Bands of a Non-Pneumatic Tire -Investigation of Contact Pressure
- New search for: Ananthasayanam, Balajee
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- New search for: Summers, Joshua David
- New search for: Joseph, Paul
- New search for: Ananthasayanam, Balajee
- New search for: Ju, Jaehyung
- New search for: Summers, Joshua David
- New search for: Joseph, Paul
In an effort to build a shear band of a lunar rover wheel which operates at lunar surface temperatures (40 to 400K), the design of a metallic cellular shear band is suggested. Six representative honeycombs with aluminum alloy (7075-T6) are tailored to have a shear modulus of 6.5MPa which is a shear modulus of an elastomer by changing cell wall thickness, cell angles, cell heights and cell lengths at meso-scale. The designed cellular solids are used for a ring typed shear band of a wheel structure at macro-scale. A structural performance such as contact pressure at the outer layer of the wheel is investigated with the honeycomb shear bands when a vertical force is applied at the center of the wheel. Cellular Materials Theory (CMT) is used to obtain in-plane effective properties of a honeycomb structure at meso-scale. Finite Element Analysis (FEA) with commercial software ABAQUS is employed to investigate the structural behavior of a wheel at macro-scale. A honeycomb shear band designed with a higher negative cell angle provides a lower contact pressure along the contact patch associated with an in-plane shear flexible property.
Document information
Design of Cellular Shear Bands of a Non-Pneumatic Tire -Investigation of Contact Pressure
Sae International Journal of Passenger Cars. Mechanical Systems
Sae Int. J. Passeng. Cars – Mech. Syst
SAE 2010 World Congress & Exhibition ; 2010
Sae International Journal of Passenger Cars - Mechanical Systems ; 3 , 1 ; 598-606
2010-04-12
9 pages
Conference paper
English
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