.. _V2.02.124:

**v2.02.124** SDLL124 - Rotating beam with 3 disks subjected to gyroscopy
=================================================================================

**Summary:**

This test makes it possible to validate the calculation of the rotation modes of a rotating shaft system with the CALC_MODE_ROTATION command.

In this test, it is a simple rotor model with 3 disks, supported by hydrodynamic bearings. This example is taken from the reference [:ref:`bib1 <bib1>`].

The reference results are the result of a calculation with ROTORINSA, [:ref:`bib2 <bib2>`], finite element software designed to predict the dynamic behavior of rotors under bending.

A good agreement is observed between the Code_Aster results and the reference solution.


.. toctree::
    :hidden:

    self

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

    Probl_me_de_r_f_rence
    Solution_de_r_f_rence
    Mod_lisation_A
    Synth_se_des_r_sultats