.. _linear_elasticity-its2D_4: linear_elasticity/its2D_4.py ============================ **Description** Diametrically point loaded 2-D disk with postprocessing and probes. See :ref:`sec-primer`. 1. solve the problem:: sfepy-run sfepy/examples/linear_elasticity/its2D_4.py 2. optionally, view the results:: sfepy-view its2D.h5 -2 3. optionally, convert results to VTK, and view again ((assumes running from the sfepy directory):: python3 sfepy/scripts/extractor.py -d its2D.h5 sfepy-view its2D.0.vtk -2 4. probe the data:: sfepy-probe sfepy/examples/linear_elasticity/its2D_4.py its2D.h5 Find :math:`\ul{u}` such that: .. math:: \int_{\Omega} D_{ijkl}\ e_{ij}(\ul{v}) e_{kl}(\ul{u}) = 0 \;, \quad \forall \ul{v} \;, where .. math:: D_{ijkl} = \mu (\delta_{ik} \delta_{jl}+\delta_{il} \delta_{jk}) + \lambda \ \delta_{ij} \delta_{kl} \;. .. image:: /../doc/images/gallery/linear_elasticity-its2D_4-its2D_0.png .. image:: /../doc/images/gallery/linear_elasticity-its2D_4-its2D_1.png .. image:: /../doc/images/gallery/linear_elasticity-its2D_4.png :download:`source code ` .. literalinclude:: /../sfepy/examples/linear_elasticity/its2D_4.py