Identification of a planar crack in Zener type viscoelasticity
Résumé
The paper addresses the identification of a planar crack for Zener type linear viscoelastic solids. Under the condition of low frequency, the Zener model of viscoelasticity establishes the equivalence between viscoelasticity and elasticity and the equations are reduced to a Helmholtz type problem for time harmonic loadings. The solutions to the crack identification problems are then obtained from the corresponding solutions in elasticity, using only one frequency.
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