Shielding.md

+<table>
+  <tr>
+    <th colspan="2">Electromagnetic shielding effectiveness of 2D and 3D cavities</th>
+  </tr>
+  <tr>
+    <td style="text-align:center"><img src="Shielding_screenshot1.png" width=100%></td>
+    <td style="text-align:center"><img src="Shielding_screenshot2.png" width=100%></td>
+  </tr>
+  <tr>
+    <th colspan="2"> Browse <a href="https://gitlab.onelab.info/doc/models/tree/master/Shielding/">model files</a></th>
+  </tr>
+</table>
+
+## Quick start
+
+To run the model, open `main.pro` with Gmsh.
+
+## Additional information
+
+The effectiveness of electromagnetic shields is evaluated in this
+example. Different academic cavities are considered [1-3].
+
+## References
+
+1. M. Boubekeur, A. Kameni, L. Pichon, A. Modave and C. Geuzaine, [Analysis of
+transient scattering problems using a discontinuous Galerkin method: application
+to the shielding effectiveness of enclosures with heterogeneous
+walls](http://onlinelibrary.wiley.com/doi/10.1002/jnm.1968/abstract). International
+Journal of Numerical Modelling: Electronic Networks, Devices and Fields, 27(3),
+pp. 626-635, 2014.
+
+2. J. F. Dawson, M. D. Ganley, A. C. Marvin, S. J. Porter and D. W. P. Thomas,
+[Analytical Formulation for the Shielding Effectiveness of Enclosures with
+Apertures](http://ieeexplore.ieee.org/xpl/login.jsp?tp=&arnumber=709422&url=http%3A%2F%2Fieeexplore.ieee.org%2Fiel4%2F15%2F15395%2F00709422). IEEE
+Transactions on Electromagnetic Compatibility, 40(3), pp. 240-248, 1998.
+
+3. X. Ojeda and L. Pichon, [Combining the Finite Element Method and a Padé
+Approximation for Scattering Analysis Application to Radiated Electromagnetic
+Compatibility
+Problems](http://www.tandfonline.com/doi/abs/10.1163/156939305775525918). Journal
+of Electromagnetic Waves and Applications, 19(40), pp. 1375-1390, 2005.
+
+----
+*Model developed by @modave.*