Re: [deal.II] Can dealii handle different type of element in a grid

2020-05-26 Thread Wolfgang Bangerth

On 5/26/20 8:13 AM, 徐辉 wrote:
Or another example in 2D, I have some some one order quadrilateral element and 
some two order quadrilateral element.


Or, if you mean the polynomial degree, you want to use the hp framework -- see 
step-27 and step-46.


Best
 W.

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Wolfgang Bangerth  email: bange...@colostate.edu
   www: http://www.math.colostate.edu/~bangerth/

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[deal.II] Can dealii handle different type of element in a grid

2020-05-26 Thread 徐辉
I want using different type of element in a grid in dealii.

I already have a grid,  I want solve problem based on this grid.  The grid 
contain different type of element. For example in 2D, I have some one order 
triangle element and some one order quadrilateral element. Or another 
example in 2D, I have some some one order quadrilateral element and some 
two order quadrilateral element.

I search dealii's tutorial do not found any topic talk about using 
different type element in a grid. And I found in dealii FAQ first item that 
seems dealii not support triangle or tetrahedra.

Does dealii can only support one kind of element to assemble a discrete 
system? All element in grid must be same? Is there any reference can help 
me?

Thanks for your time.

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