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2001•Natural Science Journal of Xiangtan UniversityRequires access

A Nonlinear Viscoelastic Constitutive Relation with Damages

Zhang Chun-yuan

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Abstract

In this paper, the nonlinear viscoelastic constitutive relation with damage which is based on the proposed nonlinear viscoelastic constitutive relation is obtained by means of continuum damage metho d (CDM). The result that the nonlinear viscoelastic constitutive relation with damages is more suitable for describing the mechanical behaviors of nonlinear viscoelastic materials than the nonlinear viscoelastic constitutive relation is ver ified by comparison between the theoretic calculated results and experimental da ta about the experiments under different strain rate levels for improved polypro pylene.

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What this paper is about

In this paper, the nonlinear viscoelastic constitutive relation with damage which is based on the proposed nonlinear viscoelastic constitutive relation is obtained by means of continuum damage metho d (CDM). The result that the nonlinear viscoelastic constitutive relation with damages is more suitable for describing the mechanical behaviors of nonlinear viscoelastic materials than the nonlinear viscoelastic constitutive relation is ver ified by comparison between the theoretic calculated results and experimental da ta about the experiments under different strain rate levels for improved polypro pylene.

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Available abstract

In this paper, the nonlinear viscoelastic constitutive relation with damage which is based on the proposed nonlinear viscoelastic constitutive relation is obtained by means of continuum damage metho d (CDM). The result that the nonlinear viscoelastic constitutive relation with damages is more suitable for describing the mechanical behaviors of nonlinear viscoelastic materials than the nonlinear viscoelastic constitutive relation is ver ified by comparison between the theoretic calculated results and experimental da ta about the experiments under different strain rate levels for improved polypro pylene.

Key concepts: Viscoelasticity, Constitutive equation, Nonlinear system, Relation (database), Materials science, Structural engineering, Composite material, Physics

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