Dear Lisa,

You should have a look at some of the previous discussions on the use of 
the cell->vertex_dof_index 
(as well as its documentation 
this provides an easy link between vertices and degrees of freedom.


On Friday, October 14, 2016 at 1:20:29 PM UTC+2, Lisa Collins wrote:
> Hallo,
> Thanks for both replies.
> In general, from a solution vector, how can I extract u_x, u_y, and T 
> nodal values corresponding to a specific node?
> Best regards.
> Lisa
> On Thursday, October 13, 2016 at 1:05:08 PM UTC+2, Lisa Collins wrote:
>> Hello,
>> Dealing with vector valued problems in deal ii is a bit confusing for me.
>> I have a question regarding the solution vector (S).
>> If we have a problem with 20 nodes and 3 dofs per node (u_x , u_y , and T 
>> temperature) can we always say that:
>> S[0] = u_x of node A
>> S[1] = u_y of node A
>> S[2] = T of node A
>> S[3] = u_x of node B
>> S[4] = u_y of node B
>> S[5] = T of node B
>> and so on.
>> Thanks.
>> Lisa

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