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(a)
t
=0
(b)
t
= 8000
Fig. 3.
Transient solution to the phase-field crystal equation in two spatial dimen-
sions. A square domain
ʩ
=[0
,
1024
ˀ/
3]
2
is considered. The computational mesh
is composed of 1024
2
C
2
-cubic elements. The generalized-
ʱ
method was used to han-
dle the temporal integration, along with a time step size of
ʔt
= 5. The initial crack
propagates throughout the domain.