B modeling
==============

Characteristics of modeling
-----------------------------------

The models tested are DIS_T and DIS_TR on meshes and dots. The stiffness characteristics of the discretes are therefore of the type: K_T_D_L, K_ TR_D_L, K_T_D_N, K_ TR_D_N.


Characteristics of the mesh
----------------------------

Number of knots: 6, number of stitches: 4, elements SEG2: 2, elements POI1: 2.


Boundary conditions and loads
-------------------------------------

The condition while traveling is a function of time:

:math:`{U}_{0}.\mathrm{sin}(2\pi .\mathit{f.t})` with :math:`f=5\mathrm{Hz};{U}_{0}=0.1m`


Discretization in time
-----------------------

The analysis time step and time interval are:

:math:`\Delta t=\mathrm{4,0}{10}^{-3}s` and :math:`t\in [0s\mathrm{,1}s]`


Tested sizes and results
------------------------------

The sizes tested are:

• travel, and effort. The values are those shown in the table.

• the dissipation over a stabilized cycle is given by the equation.

After digital application, the dissipation on a stabilized cycle is:

:math:`{D}_{\mathrm{cycle}}=0.53097854397953936J`

The cycle considered for calculating the dissipation is the last in the simulation, between the moments :math:`(1.0-1.0/f)\mathit{sec}` and :math:`1.0\mathit{sec}`. In reality this cycle is not quite stable, but for reasons of time CPU, it will be considered stabilized. This results in a slight discrepancy between the theoretical value and the calculated value.


.. csv-table::

    "", "**Reference Value**", "**Precision**", "**Calculated Value**"
    "Dissipation", "0.53097854397953936", "0.53097854397953936", "0.53097854397953936", "3.00E-003", "0.5295830097"