dolfin team mailing list archive

[Johan Hake <johan.hake@xxxxxxxxx>]

On Tuesday September 14 2010 13:52:06 Joe Morris wrote:
> Question #125426 on DOLFIN changed:
> https://answers.launchpad.net/dolfin/+question/125426
> 
>     Status: Answered => Open
> 
> Joe Morris is still having a problem:
> Excellent. In c++ I tried achieving this with:
> 
>     SubSpace V0(*V,0);
>     DirichletBC bcLeftRightFixedU(V0, leftRightFixedU,
> onLeftRightBoundary); bcs.push_back(&bcLeftRightFixedU);
> 
> But at runtime I get the complaint that:
> 
> Error: Unable to create boundary condition. Reason: Illegal value 1 for
> value rank, should be 0.

It looks like you passed a vector constant as leftRightFixedU.

It should be:

  Constant leftRightFixedU(0.);

Johan