shell10x term

FYI: The branch shell10x, partially implementing the shell10x element [1] (the piezo and multi-layer features are not there yet), was merged to the git master branch - see examples of use [2, 3]. Bugs are possible, rough edges probable :)

r.

[1] http://www.tandfonline.com/doi/abs/10.1080/15376490600777657 [2] http://sfepy.org/doc-devel/examples/linear_elasticity/shell10x_cantilever.ht... [3] http://sfepy.org/doc-devel/examples/linear_elasticity/shell10x_cantilever_in...