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Optimizing the Shear Beam of a Non-Pneumatic Wheel for Low Rolling Resistance

[+] Author Affiliations
Niranjan Thyagaraja, Prabhu Shankar, Georges Fadel, Paolo Guarneri

Clemson University, Clemson, SC

Paper No. DETC2011-48532, pp. 33-42; 10 pages
  • ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference
  • Volume 5: 37th Design Automation Conference, Parts A and B
  • Washington, DC, USA, August 28–31, 2011
  • Conference Sponsors: Design Engineering Division and Computers and Information in Engineering Division
  • ISBN: 978-0-7918-5482-2
  • Copyright © 2011 by ASME


The design requirements of a low rolling loss non-pneumatic wheel are determined through a systematic optimization approach. In order to reduce the rolling resistance, linear elastic materials are considered instead of elastomers. To achieve an adequate compliance level, a metamaterial needs to be designed. The required metamaterial properties are determined as a result of an optimization where the metamaterial tensor components as well as the geometric dimensions are the design variables. This way the metamaterial can be designed such that the overall behavior of the non pneumatic wheel achieves the best performance in terms of compliance and contact patch pressure distribution. The resulting constitutive metamaterial properties of the shear layer can be used as prescribed constitutive properties to tailor the periodic mesostructure of a material by means of topology optimization.

Copyright © 2011 by ASME



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