Translations:FEM ConstraintContact/5/en

Some tipps how to model?

 * from https://forum.freecadweb.org/viewtopic.php?f=18&p=340874#p340494
 * Better use linear elements otherwise calculations are very time consuming
 * master/slave assignment:
 * The larger of the two surfaces should act as the master surface.
 * If the surfaces are of comparable size, the surface on the stiffer body should act as the master surface.
 * If the surfaces are of comparable size and stiffness, the surface with the coarser mesh should act as the master surface.