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Thermo-Electro-Mechanical Simulation of Aluminum-Steel Imperfect Electrical Contact With Extremely High Interfacial Temperature

[+] Author Affiliations
Wan-Sik Kim, Q. Jane Wang, Leon M. Keer

Northwestern University, Evanston, IL

Shuangbiao Liu

Caterpillar, Inc., Peoria, IL

Paper No. WTC2005-63369, pp. 259-260; 2 pages
doi:10.1115/WTC2005-63369
From:
  • World Tribology Congress III
  • World Tribology Congress III, Volume 1
  • Washington, D.C., USA, September 12–16, 2005
  • Conference Sponsors: Tribology Division
  • ISBN: 0-7918-4201-0 | eISBN: 0-7918-3767-X
  • Copyright © 2005 by ASME

abstract

This paper introduces the frequency response function (FRF)-based continuous convolution and fast Fourier transform (CC-FFT) algorithm to simulate a periodically large contact area rather than the influence coefficient (IC)-based discrete convolution fast Fourier transform (DC-FFT). The former and the latter may be called as a periodic boundary condition (PBC) and a non-periodic boundary condition (nPBC) based on their periodicity. In the calculation, the contact pressure, surface displacement, and surface temperature are analyzed and compared by means of PBC CC-FFT and nPBC DC-FFT.

Copyright © 2005 by ASME

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