Abstract
A large amplitude oscillatory shear (LAOS) is considered in the strain-controlled regime, and the interrelation between the Fourier transform and the stress decomposition approaches is established. Several definitions of the generalized storage and loss moduli are examined in a unified conceptual scheme based on the Lissajous–Bowditch plots. An illustrative example of evaluating the generalized moduli from a LAOS flow is given.
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Communicated by Andreas Öchsner.
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Argatov, I., Iantchenko, A. & Kocherbitov, V. How to define the storage and loss moduli for a rheologically nonlinear material?. Continuum Mech. Thermodyn. 29, 1375–1387 (2017). https://doi.org/10.1007/s00161-017-0584-8
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DOI: https://doi.org/10.1007/s00161-017-0584-8