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  • Users: jfonken
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  1. jfonken

    Initial stress read from ODB file, integration point or nodal stresses?

    Hi all, I'm working on a model to estimate the pre-stress in a measured abdominal aortic geometry. To do so, I use an initial condition in which stress is read from the ODB file of a previous simulation using: *INITIAL CONDITIONS, TYPE=STRESS, FILE=Cylinder_BI_01.odb This works fine, but I...
  2. jfonken

    Differences stress extrapolation Ansys & Abaqus

    Hi all, As a subproject in my PhD project, I'm comparing Ansys and Abaqus (geometrically) nonlinear solution methods. I used a simple cylinder to represent an artery and modelled it with a simple Neo-Hookean material model. Large deformations (NLGEOM) are turned on (hence the non-linearity). I...

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