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[Sungick Kim <question128351@xxxxxxxxxxxxxxxxxxxxx>]

New question #128351 on DOLFIN:
https://answers.launchpad.net/dolfin/+question/128351

Let  'u' be a scalar nodal value.
Now I want to construct a nodal vector field as below.

velocity = Expression(('u', '0.0', '0.0'))

There comes no error related this.
However, it seems that velocity = (0,0,0) all throughout domain.
Can anyone help me to know the right way to do this?

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