Markus,

maybe I should provide a bit more of context: I am working on topology 
optimization, and the idea is to remove 'void' elements altogether from the 
analysis.  This would imply that the element gets created when the 
triangulation is created, but it does not contribute to the global stiffness 
matrix--and importantly, degrees of freedom that completely lie on the 'void' 
region (i.e. have no connection to 'solid' or 'gray' elements) are also taken 
out of the  stiffness matrix.  If in a subsequent iteration of the optimization 
the element becomes 'gray' or 'solid', then it should be included again in the 
analysis.

-Julian

--- El jue, 9/2/10, Markus Bürg <[email protected]> escribió:

De: Markus Bürg <[email protected]>
Asunto: Re: [deal.II] Is there a way to inactivate elements?
A: [email protected]
Fecha: jueves, 2 de septiembre de 2010, 11:00 am




  
Hello Julian,



could you please describe in more detail, what you mean by "removed
from analysis"? What do you want to do?



Best Regards,

Markus







Am 02.09.10 17:48, schrieb Julian:

  
    
      
        Is there a way that, after a triangulation has already
been created, I can flag an element to be removed from the analysis
(possibly re-activating it afterward)?

        

Thanks!

        

-Julian

        
      
    
  
  

 
  
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