Mingliang Jiang1, Zhujiang Wang2,*
The International Conference on Computational & Experimental Engineering and Sciences, Vol.26, No.2, pp. 1-1, 2023, DOI:10.32604/icces.2023.08949
Abstract This work deals with the parameter identification of invariant-based hyperelastic materials using the virtual
fields method (VFM). Combined with the full-field deformation data obtained from the digital image
correlation (DIC), VFM has been utilized to characterize the mechanical properties of hyperelastic materials
[1]. In the conventional formulation of the VFM, the calculation of the internal virtual work (IVW) needs to
obtain the stress and conjugate virtual strains, which requires a lot of calculation and derivation work. In
this paper, the VFM is reformulated by calculating the IVW through the variation of elastic energy, which is More >
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