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Numerical Simulation of New Generation Non-Pneumatic Tire (TWEEL™) and Sand

[+] Author Affiliations
Jianfeng Ma, Avinash Kolla, Joshua D. Summers, Paul F. Joseph, Vincent Y. Blouin, Sherrill Biggers

Clemson University, Clemson, SC

Paper No. DETC2009-87263, pp. 123-130; 8 pages
doi:10.1115/DETC2009-87263
From:
  • ASME 2009 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 2: 29th Computers and Information in Engineering Conference, Parts A and B
  • San Diego, California, USA, August 30–September 2, 2009
  • Conference Sponsors: Design Engineering Division and Computers in Engineering Division
  • ISBN: 978-0-7918-4899-9 | eISBN: 978-0-7918-3856-3
  • Copyright © 2009 by ASME

abstract

In order to have a better understanding of the performance of non-pneumatic tires (Tweel™) on soil and provide information for further optimization of this Tweel™, we model and simulate the interaction between Tweel™ and soil using finite element method (FEM). In this paper, the model of the Tweel™ is described in detail. The Tweel™ is treated as a deformable body. The Drucker-Prager/Cap plasticity constitutive law with hardening is employed to model sand. The material properties of Lebanon sand found in New Hampshire that has a complete set of material properties in the literature is used. Numerical results show deformation of sand and Tweel™. The stress distributions in sand, Tweel™, and along the interface between them are also presented. We next illustrate how this interaction model can be used to develop new tractive solutions for lunar exploration and terrestrial travel over dry soil.

Copyright © 2009 by ASME

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