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Kelvin-Voigt model; (a) creep strain (o) and creep compliance (-) response of shear elastic modulus, G, of 6 kPa, and viscosity, η, of 6 Pa·s at 10 kHz sampling rate. (b) Estimated relative storage modulus from creep strain (o), Cs, and creep compliance (-), Gs. (c) Estimated relative loss modulus from creep strain, Cl, and creep compliance, Gl. (d) tan(δ) from estimated complex modulus using from creep strain (o) and creep compliance (-).
