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Constitutive Laws for Normal Stiffness and Thermal Resistance of a Contact Element
Author(s) -
Schrefler B. A.,
Zavarise G.
Publication year - 1993
Publication title -
computer‐aided civil and infrastructure engineering
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 2.773
H-Index - 82
eISSN - 1467-8667
pISSN - 1093-9687
DOI - 10.1111/j.1467-8667.1993.tb00215.x
Subject(s) - stiffness , finite element method , linearization , nonlinear system , thermal , mechanics , thermal contact , element (criminal law) , coupling (piping) , constitutive equation , materials science , law , structural engineering , engineering , heat transfer , physics , composite material , thermodynamics , quantum mechanics , political science
The contact element formulation presented considers microscopically mechanisms of force transmission and heat exchange together with coupling between thermal and mechanical fields. Experimentally and theoretically well founded micro‐mechanical and micro‐thermal laws are adapted to FEM consistent linearization necessities. Based on these laws the nonlinear macroscopic related stiffness is calculated as a function of changes in significant parameters. Examples related to industrial applications are shown.