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GeoDict User Guide 2025

Effective Stiffness (AF)

With ElastoDict-Effective Stiffness (AF), the effective elastic properties of a given structure can be computed using an analytical approach.

The FeelMath-AF solver provides a fast analytic approximation of the effective elastic properties. It computes the Voigt (upper bound), the Reuss (lower bound) and the Mori-Tanaka approximations. AF stands for analytic functions, since here the equations are solved by an analytic approximation instead by an iterative numerical solver.

ElastoDict-Effective Stiffness (AF) only works for linear elastic materials.

Topics of this section

  • Constituent Materials
    Description of how to use and setup material laws for ElastoDict - Effective Stiffness (AF).
  • Load Case
    Description of different load case options.
  • Post-processing
    Description of the postprocessing options.
  • Result File
    Description of the Result File generated by an ElastoDict - Effective Stiffness (AF) simulation step.

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