AceGen implementation of the implicit BP yield function

Here you can find a Mathematica notebook containing the AceGen input for generating the numerical code (subroutine) that computes the implicit Bigoni-Piccolroaz (BP) yield function and its first and second derivatives:

And here are ready-to-use subroutines in:

The Mathematica code has been tested, and examples of its use are given in the above Mathematica notebook. The remaing codes have not been tested but they should work, as they have been generated from the same AceGen input.

Feel free to use the notebook and the subroutines for your work provided the source, i.e. our paper, is adequately cited.


This is a supplementary material to the paper:

S. Stupkiewicz, R. Denzer, A. Piccolroaz and D. Bigoni
Implicit yield function formulation for granular and rock-like materials
Computational Mechanics 54, 1163-1173 (2014)
doi: 10.1007/s00466-014-1047-8


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Last modified: June 16, 2015