Homogenization Of Composites
Using Eigenstrains
Author(s)
P. Prochazka
Abstract
In recent papers of the author, a periodic structure has been
homogenized on square unit cell obeying boundary conditions
following classical works of Suquet. Either uniform strain or
uniform stress was applied and the overall material stiffness
matrix has been obtained from that assumptions. The disad-
vantage of this procedure appears to be a non-unique boundary
conditions for the normal directions. This phenomenon follows
from application of Green's theorem to kinematical equations
in integral form. Consequently, the results were dependent of
boundary condition along the boundary, which was not loaded
either by normal strain or normal stress. The remedy is either
to change the boundary conditions (non-uniqueness is still not
suppressed) or to change the way of loading.
In the paper suggested here, overall eigenparameters are
Keywords
Related Book
Other papers in this volume
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