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(a)
t
=0
(b)
t
=9
.
937
·
10
−
5
(c)
t
=2
.
291
·
10
−
3
Fig. 2.
Transient solution to the Cahn-Hilliard problem in two spatial dimensions,
subject to a random initial condition and periodic boundary conditions. The weak
form is discretized in space by a mesh of 128
2
C
1
-quadratic elements. The initially
mixed fluid phase-separates.