FEM MaterialMechanicalNonlinear

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    FEM MaterialMechanicalNonlinear.svg FEM MaterialMechanicalNonlinear

    Menu location
    Model → Materials → Nonlinear mechanical material
    Workbenches
    FEM
    Default shortcut
    None
    Introduced in version
    -
    See also
    FEM tutorial

    Description

    Adds nonlinear mechanical material model. Currently only plasticity with simple hardening is available.

    Usage

    1. To define nonlinear mechanical material model do the following:
    2. To edit an existing MaterialMechanicalNonlinear object:
      • Click it in the Tree view.
      • Select the material model (currently only simple hardening is available).
      • Define yield points (stress vs plastic strain). The first point must have a zero plastic strain specified.

    Notes

    • In FreeCAD 0.19 and older versions, it's possible to specify only 3 yield points. Since the 0.20 version, this limitation doesn't exist and a list of yield point can contain as many of them as needed.