On 8/3/19 1:17 PM, Jonathan Russ wrote:
>
> How difficult would it be to add serendipity elements to dealii? They are
> very
> useful in solid mechanics applications and can greatly reduce the
> computational cost. Is it very difficult to add an element that is the same
> is
> FE_Q but without the few extra basis functions when quadratic polynomials are
> used? i.e. 8-node FE_Q instead of 9-node FE_Q in 2D and 20-node FE_Q instead
> of 27-node FE_Q in 3D?
I suspect it's not going to be terribly difficult, but can you explain how the
shape functions of the serendipity element differ from the ones of FE_Q(2)?
Best
W.
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Wolfgang Bangerth email: bange...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/
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