Figure 13: Helicoidal actuator. Contour plot of the p for the proposed shell formulation. Incompressible model in (56). Results obtained for a value of ω0 = λ × 10−5Q/m2 with (a) λ = 200; (b) λ = 300; (c) λ = 500; (d) λ = 600; (e) λ = 800; (f) λ = 900; (g) λ = 1100; (h) λ = 1200; (i) λ = 1300. Finite Element discretisation of 29× 6 elements. CBC approach for ϕ and γ with ns = 2 (47). Number of dofs for {x0,v, ϕ, γ, p, λ} of {3 × 767, 3 × 210, 5 × 767, 2 × 174, 2 × 174, 210}. Reference configuration represented by shadowed region.
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