dolfin team mailing list archive

[Niclas Jansson <njansson@xxxxxxxxxx>]

Kent <question94104@xxxxxxxxxxxxxxxxxxxxx> writes:

> Question #94104 on DOLFIN changed:
> https://answers.launchpad.net/dolfin/+question/94104
>
> Kent proposed the following answer:
>> Question #94104 on DOLFIN changed:
>> https://answers.launchpad.net/dolfin/+question/94104
>>
>>     Status: Open => Answered
>>
>> Anders Logg proposed the following answer:
>> On Mon, Dec 14, 2009 at 11:49:18PM -0000, jhameed2@xxxxxxxxxxxx wrote:
>>> New question #94104 on DOLFIN:
>>> https://answers.launchpad.net/dolfin/+question/94104
>>>
>>> Hello,
>>>
>>> I hope this is the right list to ask this question. I am trying to
>>> restrict a function space in C++, but I get an error saying
>>>
>>> Error: FunctionSpace::attach is not working. Please fix the dof map
>>> builder.
>>>
>>> I am trying to restrict the function space using
>>>
>>> boost::shared_ptr<FunctionSpace> W = V.restriction(cells);
>>>
>>> Anyone help me figure out whats going wrong here?
>>>
>>> -Jehanzeb
>>
>> Restrictions have been broken for a while after the work on
>> parallelization of DOLFIN in August.
>>
>> This needs to be reimplemented. I don't have time for this now so it
>> will take a while if no one else is willing to fix it.
>>
>> --
>> Anders
>>
>
> I am sorry, but the implementation is not suited for parallel meshes. I am
> not sure
> how to fix it just now.
>
> My best advice is to use some kind of penalty method to "remove" the extra
> degrees
> of freedom.
>
> Kent
>

I can have a look at it during the holidays...but I need to get bzr to
work first.

Niclas