정적 대변형에 중첩된 미소 동적 하중을 견디는 고무재료의 점탄성 구성방정식에 대한 연구A viscoelastic constitutive model of rubber under small oscillatory loads superimposed on large static deformation

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A viscoelastic constitutive equation of rubber that is under small oscillatory load superimposed on large static deformation is proposed. The proposed model is derived through linearization of Simos viscoelastic constitutive model and reference configuration transformation. The proposed constitutive equation is extended to a generalized viscoelastic constitutive equation that includes widely used Mormins model as a special case using objective stress increment. Static deformation correction factor is introduced to consider the influence of Pre-strain on the relaxation function. The proposed constitutive model is tested fer dynamic behavior of rubber specimens with different carbon black contents. It is concluded from the test that the viscoelastic constitutive equation for filled rubber must include the influence of the static deformation on the time effects. The suggested constitutive equation with static deformation correction factor shows good agreement with test values.
Publisher
대한기계학회
Issue Date
2000
Language
Korean
Citation

대한기계학회논문집 A, v.25, no.4, pp.619 - 628

ISSN
1226-4873
URI
http://hdl.handle.net/10203/76619
Appears in Collection
ME-Journal Papers(저널논문)
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