Reference problem ===================== Geometry --------- .. image:: images/10000200000002DF000002DA4E71ECC848ABAA59.png :width: 3.9366in :height: 3.9098in .. _RefImage_10000200000002DF000002DA4E71ECC848ABAA59.png: **Figure 1.1: Wheel Geometry** Coordinates of points :math:`(m)`: :math:`C:(0.0,0.0,0.0)` Wheel geometry :math:`(m)`: * Diameter :math:`L`: :math:`7.75` * thickness (along axis :math:`z`): :math:`0.09` Elastic properties of the material --------------------------------- A linear work hardening model is used. * Young's module, :math:`E=7.1\times {10}^{10}\mathrm{Pa}` * Poisson's ratio, :math:`\nu =0.3` * Volume density, :math:`\rho =7820.0{\mathrm{kg.m}}^{-3}` * Slope of the traction curve, :math:`{E}_{T}=0` * Elastic limit, :math:`\sigma =1.\times {10}^{15}\mathrm{Pa}` Boundary conditions and loads ------------------------------------- * * * * Imposed rotation: * * * :math:`\omega =157{\mathrm{rad.s}}^{-1}`, center rotation :math:`C` (around the :math:`Z` axis) * * Imposed travel: BAS_NO: :math:`\mathrm{DX}=\mathrm{DY}=\mathrm{DZ}=0`