期刊
MECHANICS RESEARCH COMMUNICATIONS
卷 84, 期 -, 页码 60-64出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.mechrescom.2017.06.010
关键词
Nonlinear viscoelasticity; Fiber reinforcement; Spectral physical invariants; Deformation indicators; Rate of deformation indicators
类别
In this paper we are interested in developing constitutive equations for fiber-reinforced nonlinearly viscoelastic solids. It has been shown that constitutive equations for such bodies can be expressed in terms of a complete minimal set of 18 classical invariants associated with deformation and fiber orientation. In this paper, we give an alternative formulation using a set of spectral invariants. It is shown via the use of spectral invariants that only 11 of the 18 classical invariants are independent. We analyze the spectral invariants for two illustrative deformation gradients: (i) simple tension, and (ii) simple shear. (C) 2017 Elsevier Ltd. All rights reserved.
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