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sequence of papers followed which outlined analysis of the method as well as numerical experiments [6, 7, 8, 9, 10]. The treatment of the deformation tensor as a distinct variable increases the problem size [...] (2ηpD (u) + E)=0
λ(2ηp ∇
D (u) + ∇ E) + exp
( λκ
ηp (Tr (2ηpD (u) + E))
) (2ηpD (u) + E) = 2ηpD (u) (7)
where κ ∈ [0, 1] is the extensibility parameter. The constitutive equation of the Giesekus and PTT [...] viscoelastic formulation velocity, pressure and stress field is Q2/P
disc 1 /Q3 shown in Figure 1.
7
Q2 P disc 1
Q3
Figure 1: Finite elements Q2,P disc 1 ,Q3 for velocity, pressure and stess, respectively …