FFC

Support for new GeometricQuantity, CellSurfaceArea, in UFL

Registered by Kristian B. ├ślgaard

It might be useful to have the entire surface area of the current cell available as a geometric quantity when defining integrals.

The surface area is defined as the total area of all facets of a given cell.
The quantity can be defined for ds, dS and dx integrals.

Blueprint information

Status:
Not started
Approver:
None
Priority:
Low
Drafter:
None
Direction:
Needs approval
Assignee:
None
Definition:
Approved
Series goal:
None
Implementation:
Unknown
Milestone target:
None

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Sprints

Whiteboard

MER: cell.surface_area exists in UFL so this should be easy to do the moment anyone actually needs it.

MSA: I would also like to have the facet diameter.

(?)

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