Characterization and modeling of strain-dependent dynamic behavior of viscoelastic elastomers in simple shear

Kiran Govindswamy, George A. Lesieutre, Edward Smith, Michael R. Beale

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Abstract

A time-domain model that characterizes the nonlinear viscoelastic behavior of viscoelastic elastomers has been developed. The approach is based on the method of Anelastic Displacement Fields (ADF) and was extended to model strain-dependent material behavior. The material nonlinearities were introduced through nonlinear functions that describe the dependence of the unrelaxed and relaxed material moduli, and the anelastic strain rate on the instantaneous strains. The parameters that characterize the nonlinear material behavior were identified through harmonic strain controlled experimental tests.

Original languageEnglish (US)
Pages (from-to)2032-2042
Number of pages11
JournalCollection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference
Volume3
StatePublished - 1995

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Elastomers
Strain rate

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Cite this

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abstract = "A time-domain model that characterizes the nonlinear viscoelastic behavior of viscoelastic elastomers has been developed. The approach is based on the method of Anelastic Displacement Fields (ADF) and was extended to model strain-dependent material behavior. The material nonlinearities were introduced through nonlinear functions that describe the dependence of the unrelaxed and relaxed material moduli, and the anelastic strain rate on the instantaneous strains. The parameters that characterize the nonlinear material behavior were identified through harmonic strain controlled experimental tests.",
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AU - Lesieutre, George A.

AU - Smith, Edward

AU - Beale, Michael R.

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AB - A time-domain model that characterizes the nonlinear viscoelastic behavior of viscoelastic elastomers has been developed. The approach is based on the method of Anelastic Displacement Fields (ADF) and was extended to model strain-dependent material behavior. The material nonlinearities were introduced through nonlinear functions that describe the dependence of the unrelaxed and relaxed material moduli, and the anelastic strain rate on the instantaneous strains. The parameters that characterize the nonlinear material behavior were identified through harmonic strain controlled experimental tests.

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JO - Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference

JF - Collection of Technical Papers - AIAA/ASME/ASCE/AHS/ASC Structures, Structural Dynamics and Materials Conference

SN - 0273-4508

ER -