Simulation of shear-induced phase separation
De=25.
A snapshot of concentration c(x,y) of polymers
under shear flow u=(sy,0), where s
is the shear rate.
Structure function S(kx,ky) of the above picture.
S(kx,ky)=< c(k)c(-k) > , where
c(k) is the Fourier component of c(x,y) and
k=(kx,ky) is the wave vector.
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