Abstract
The problem of sensitivity of viscoelastic response with respect to material parameters is studied in the paper. The direct differentiation method is employed. The FEM-related implementation issues are discussed. A number of numerical examples illustrates the theory.
References
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[2] M.A. Zocher, S.E. Groves, H. Hilton. A three-dimensional finite element formulation for thermoviscoelastic orthotropic media J. Num Meth. Eng 40: 2267-2288, 1997.
[3] M. Kleiber et al. Parameter sensitivity in nonlinear mechanics. Wiley, 1997.
[4] J. Argyris, J . St. Doitsinis, V. D. Da Silvia. Constitutive modelling and computation of non-linear viscoelastic solids. Comp. Meth. Appl. Mech 88:135-163, 1991.
[5] J.C. Simo, R.L. Taylor. Consistent tangent operator for rate independent elastoplasticity. Comp. Meth. Appl. Mech 48: 182- 118, 1985.
