[petsc-dev] meaning of NUM_FIELDS in PetscFEM

[Jed Brown]

Geoffrey Irving <irving at naml.us> writes:

> To make sure I understand the code correctly: a single field can be
> vector-valued, right?  I.e., the position field for elasticity can be
> 1 field, corresponding to NUM_FIELDS = 1 in the various examples?  

Yeah, each field can have a number of "components".

> And in ex62, the two fields are pressure and velocity, the latter
> vector valued?

Yup.
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