Draft: Implement Nitsche method to couple embedded meshes - #1613

Draft

eulovi wants to merge 29 commits into

4C-multiphysics:mainfrom

eulovi:nitsche-embeddedmesh-constraint

Commits on Feb 19, 2026

Add first draft of penalty method in Nitsche
eulovi
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4dad16a
Correct penalty contribution Nitsche
eulovi
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2ec71e3
Add parameters for Nitsche
eulovi
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703531c
Fix obtaining parameters
eulovi
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d3eb649
Include discretization for evaluation of Cauchy
eulovi
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3c6a413
Add evaluation of Cauchy stress into embedded
eulovi
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22f2056
Commit more or less working Nitsche
eulovi
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0f1cc72
Working Nitsche version
eulovi
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55e8cd3
Add testing of the embeddedmesh nitsche
eulovi
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a4c8d67
Remove an error and writing of nodal data
eulovi
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480253d
Add parameter changes
eulovi
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985fad9
Try to clean up Nitsche implementation
eulovi
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0206ea0
Write nodal output
eulovi
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5860cf0
Add comments
eulovi
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5447f9b

Commits on Feb 20, 2026

Commit first draft for fixing K_T
eulovi
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e2522b9

Commits on Feb 23, 2026

Fix stiffness matrix calculation
eulovi
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6f0babf

Commits on Mar 4, 2026

Commit current state (maybe not right)
eulovi
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12d38b9

Commits on Mar 11, 2026

Add first version
eulovi
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e0c9d71

Commits on Mar 13, 2026

Saving a middle state (not working)
eulovi
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ed0f24a
Clean implementation
eulovi
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0a0dc28
Add more cleanup
eulovi
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13f9b4e

Commits on Mar 14, 2026

Add last changes
eulovi
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104ea87
Simplify formulation
eulovi
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6ccbee4

Commits on Mar 17, 2026

Do more clean up
eulovi
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b2dc4a6

Commits on Mar 20, 2026

Save current state
eulovi
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3415e3b

Commits on Mar 23, 2026

Save dirty state
eulovi
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1bc3518
Save working state
eulovi
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d10b43b
Remove couts and update test
eulovi
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3f93bb0

Commits on Mar 25, 2026

Add linear kinematics and tests
eulovi
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ece2d40