Cracking and Damage

Ideal Spot Size

d f(d) d(d) r)=Fv f +00 d f(d) d(d)

b. 9 — 4 "/z 'A/2

E:a:E(w) >2 - ild.wdo) - ft' d.w ds (11) where S2 / f = 0 ). c) Existence and uniqueness results i) A sufficient condition for problem (Q) to have solutions is that the operator A be monotone from V to V'and coercive [15]. The operator A is said to be monotone from V to V' if (A (v) — A (w),v

(38) his important to notice that not only the strongest discontinuity type [u] may be computed but u] may also be computed by a recurrent process : (X,+µ)([dnu].n)n+ li[dnui Inv] G =BO (ND (39) The same analysis will provide information for [d 210]. APPLICATION TO POROUS DILATANT MATERIAL

Figure 5 illustrates the proposed multiscale approach intense acoustic emmision zone Elementary volume elementary volume