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mesh-adaptation / goalie

Goal-oriented error estimation and mesh adaptation for finite element problems solved using Firedrake
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Avoid re-enforcing positivity of error indicators #40

Open jwallwork23 opened 1 year ago

jwallwork23 commented 1 year ago

Currently, we compute error indicators in enriched space (positive by construction), transfer them back to the base space, and then interpolate to ensure that the result is still positive.

Might we be able to avoid this second interpolation using Bernstein polynomials?

Parent issue: https://github.com/pyroteus/pyroteus/issues/9.