Nonlinear Viscoelasticity for Short Time Ranges

[+] Author and Article Information
N. C. Huang, E. H. Lee

Division of Engineering Mechanics, Stanford University, Stanford, Calif.

J. Appl. Mech 33(2), 313-321 (Jun 01, 1966) (9 pages) doi:10.1115/1.3625043 History: Received March 31, 1965; Online September 15, 2011


Approximate constitutive equations for nonlinear viscoelastic incompressible materials under small finite deformation and for short time ranges are derived. The error bound of such a constitutive equation is investigated. Nonlinear creep is analyzed on the basis of the proposed equation, and also the problem of a pressurized viscoelastic hollow cylinder bonded to an elastic casing. Numerical solutions, evaluated by assuming particular forms of kernel functions in the constitutive equation, are obtained by means of an inverse interpolation technique, and the effects of nonlinearity of material properties are discussed. An experimental procedure is also proposed for measuring kernel functions from uniaxial tension tests for real materials.

Copyright © 1966 by ASME
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