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  1. MatthieuM

    Several surface-to-surface contact interaction or only one ?

    I thought, because of my problem's size, that surface-to-surface with smaller contact pairs could decrease the calculation time ?
  2. MatthieuM

    Several surface-to-surface contact interaction or only one ?

    Hello, I have to model a 3D metallic structure in which several (around 30) slave surfaces are in contact with several master surfaces (around 30 too). I use "hard contact" for normal behaviour and "penalty" for tangential behaviour. Each slave surface is composed of approximately 10 000 3D...
  3. MatthieuM

    incompatibility between elements

    Thanks for the answer, I know that linear tetrahedron are really too stiff, however with quadratics like C3D10M I get good results (but the computing time is high). Besides, i read that for plasticity and contact, the modified tetrahedral (and triangular) elements are better to avoid shear and...
  4. MatthieuM

    incompatibility between elements

    Hello, I'm using the "coupled temperature-displacement" procedure for creep with two kinds of elements : -C3D10MT -C3D4T (where the Von Mises stress is low) to reduce the computing time. My problem is that Abaqus gives me this error message :"the selected geometry order will introduce an...
  5. MatthieuM

    Axial pressure in Generalized Plane Strain

    Hello everyone, I try to model in 2D a part under isostatic pressure which means I need to put a pressure in the direction 3 too. However with Generalized plane strain elements it is only possible to put a concentrated load on the reference point. Does someone know how i could enforce an axial...

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