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IDENTIFICATION OF NONLINEARTIES IN ANELASTIC POLYCRYSTALLINE MATERIALS USING VOLTERRA - FOURIER TRANSFORM

Gh. E. Dragnescu1,2, A. Ercuta3,*

Affiliation

  1. Department of Mechanics, “Polytechnica” University of Timi oara Bv. M. Viteazul, Nr. 1, 1900 - Timisoara, Romania
  2. Faculty of Physics, West University of Timioara, Bv. V. Pârvan, Nr. 4, 1900 - Timisoara, Romania
  3. bFaculty of Physics, West University of Timioara, Bv. V. Pârvan, Nr. 4, 1900 - Timisoara, Romania

Abstract

A nonlinear rheological model built on the basis of structural properties of polycrystalline solids is presented. A Fourier - Volterra series method of model parameters identification from the experimental data is proposed..

Keywords

Nonlinear - anelastic solid, Small parameter, Nonlinear rheology, Volterra series, Dimensional stabilization, Identification.

Submitted at: Nov. 22, 2002
Accepted at: March 12, 2003

Citation

Gh. E. Dragnescu, A. Ercuta, IDENTIFICATION OF NONLINEARTIES IN ANELASTIC POLYCRYSTALLINE MATERIALS USING VOLTERRA - FOURIER TRANSFORM, Journal of Optoelectronics and Advanced Materials Vol. 5, Iss. 1, pp. 301-304 (2003)