The paper deals with the transient thermal diffusion in localized contacts. Starting from Jaeger's solution for an instantaneous point heat source in a half space, a solver for generic bodies in contact under time varying load is proposed. As a benchmark, the steady state solution for elliptical contacts heated by Coulomb friction has been found. Such problem depends upon two dimensionless parameters, ellipticity and Peclet number. The grid size has been set so that the error is less than 1%.
Transient thermal diffusion in elliptic contacts / Fava, Elisabetta; Barbieri, Marco. - 1:(2013), pp. 732-735. (Intervento presentato al convegno 5th World Tribology Congress, WTC 2013 tenutosi a The Palaolimpico Isozaki Torino, C.so Sebastopoli, ita nel 2013).
Transient thermal diffusion in elliptic contacts
BARBIERI, MARCO
2013
Abstract
The paper deals with the transient thermal diffusion in localized contacts. Starting from Jaeger's solution for an instantaneous point heat source in a half space, a solver for generic bodies in contact under time varying load is proposed. As a benchmark, the steady state solution for elliptical contacts heated by Coulomb friction has been found. Such problem depends upon two dimensionless parameters, ellipticity and Peclet number. The grid size has been set so that the error is less than 1%.
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