.. _V8.21.312:

**v8.21.312** ADLV312 — Flexible cylindrical tank filled with water
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**Summary:**

This test concerns the modal analysis of a tank filled with water. The fluid volume has a free surface. The reservoir is modelled by plate DKT elements and the fluid by 3D vibro-acoustic elements.

It is a question of calculating hydro-elastic natural modes; we are not particularly interested in sloshing modes whose deformation energy is low compared to that of hydro-elastic modes.

In order to improve the identification of these modes, the generalized masses are calculated after having imposed the norm on a given degree of freedom.

The reference values of the natural frequencies are obtained numerically from 3D and Fourier models in the software SAMCEF.


.. 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