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  1. Gazo18

    Ogden model

    Hi All, I am modelling rubber using Abaqus. According to Abaqus theory manual The Ogden model at N=2 and N=3 fits the rubber test data very accurately for all three modes of deformation. However it is unstable for my uniaxial test data (attached). Has this happened to anyone else before...
  2. Gazo18

    Modelling rubber block in Abaqus

    Hi all, I am trying to model a simple block of rubber by applying a boundary condition to the top and displacing by about 420% it's original length (with three appropriately placed symmetry boundary conditions). Clearly I am modelling this using a hypereleastic material model. The uniaxial data...

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