Add support for FEM isoparametric elements (segments and triangles) generalized to an arbitrary dimension D of the physical space#94

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Pawel024 wants to merge 25 commits into

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fem-1d-embedded-in-2d

Commits on Jan 23, 2026

Commits on Jan 27, 2026

fem: update elements api to select the right simplex based on degree and manifold type. Delete the seg1_embedded folder, we'll unify it with seg1
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fem: expose volume form from manifold and pass it to the element classes
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fem: replace the jacobian_measure utility with element.volume_element
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fem: update jacobian calculation in element classes to work for different physical dimensions
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tensor: add as_column_matrix factory, apply in IsoparametricSegmentP1 (mito/fem)
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fem: use pyre::tensor::col and tensor::dyadic properly to avoid repeting code
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fem: contravariant gradient computation with the riemannian formula - new elements api works
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tests/fem: adapt tests to work with the new elements API
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Commits on Jan 29, 2026

Merge remote-tracking branch 'origin/main' into fem-1d-embedded-in-2d
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Commits on Feb 5, 2026

test/fem: test integration with volume form on arbitrary segments
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