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connorjward
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Jan 21, 2026
| # so corresponding gem expression will never be needed. | ||
| expression = None | ||
| elif integral_type.startswith("interior_facet"): | ||
| return None |
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I think that here is another case of using Nones inappropriately, but that's not relevant here.
pbrubeck
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Jan 21, 2026
| dx1 = Measure("dx", mesh1) | ||
| dx2 = Measure("dx", mesh2) | ||
| ds1_ds2 = Measure("ds", mesh1, intersect_measures=(Measure("ds", mesh2),)) | ||
| ds1_ds2 = Measure("ds", mesh1, intersect_measures=(Measure("ds", mesh2), Measure("dx", mesh12))) |
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We are hitting an error for Forms involving legal integrals on codim 1 multidomain problems. We are able to assemble each term individually. However, the interface mesh must be included in every surface Measure if assembling all integrals all at once.
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Description
A multi-domain Form is split into single-domain terms. Each term knows that it belongs to a multidomain problem, but is assembled individually. During the assembly of each single-domain term, we may skip the setup on the all the other domains.
firedrake/tsfc/driver.py
Lines 170 to 175 in 4a5cba1
These methods will now skip a mesh not found in
integral_data.domain_integral_type_map(as returned byufl.algorithms.compute_form_data).This is to remove the
integral_type = Noneentries that were hacked into thedomain_integral_type_map, which lead to obscure errors for illegal forms.