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**v6.04.225** SSNV225 — Behavioral law HAYHURST: creep test
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**Summary:**

This document presents a creep test in large deformations to validate the capabilities of behavior model HAYHURST, to represent primary, secondary and tertiary creep.

The various models make it possible to test all integration methods:


* implicit integration with Jacobian analytic matrix (modeling A).


* the implicit integration with the Jacobian matrix obtained by disturbance (modeling B);


* explicit integration by Runge_Kutta (B modeling);

Modeling C, for its part, is a copy of modeling B making it possible to validate the HAYHURST_FO keyword of DEFI_MATERIAU, thanks to constant parameters, artificially dependent on temperature.


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.. toctree::
    :hidden:

    self

.. toctree::
    :maxdepth: 2
    :numbered:

    Probl_me_de_R_f_rence
    Solution_de_R_f_rence
    Mod_lisation_A
    Mod_lisations_B_et_C
    Synth_se_des_r_sultats