Fcs. Carvalho et Jf. Labuz, EXPERIMENTS ON EFFECTIVE ELASTIC-MODULUS OF 2-DIMENSIONAL SOLIDS WITHCRACKS AND HOLES, International journal of solids and structures, 33(28), 1996, pp. 4119-4130
In this paper, some basic concepts on effective properties of nonhomog
eneous elastic solids are reviewed. The various theories are evaluated
by conducting experiments on artificially cracked and porous solids,
and by comparing the results with the theoretical predictions for the
cases of interacting and non-interacting inhomogeneities. Two aluminum
plates containing slots and two containing circular holes in random m
utual positions with different orientational distributions were tested
. In the case of plates containing random slots it is shown that the a
pproximation of non-interacting cracks provides a reasonable estimate
of the modulus, even when interactions may be significant. The results
obtained from;the plates containing circular holes indicate that, as
porosity increases, the effective Young's modulus follows the predicti
ons for the case of interacting holes from both Mori-Tanaka and differ
ential schemes. Copyright (C) 1996 Elsevier Science Ltd.