首页|On Numerical Analysis of Creep Fracture Behaviour of Medium Density Polyethylene
On Numerical Analysis of Creep Fracture Behaviour of Medium Density Polyethylene
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An implicit numerical algorithm for the integration of the primary/secondary creep constitutive law at the material point level is derived. For the presented constitutive model, the experimentally obtained material parameters for the medium density polyethylene (MDPE) are taken from literature. The derived algorithm in conjunction with the Jacobian matrix is implemented in the finite element (FE) code ABAQUS by using the user subroutine CREEP. The accuracy of the proposed algorithm is demonstrated.
finite element analysispolyethylenecreepC~*-integral
Ivica Skozrit、Zdenko Tonkovic
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Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, I. Lucica 5, 10000 Zagreb, Croatia
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