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Implement bond-associated quadrature Peridynamics model for TLSPH#1233

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Implement bond-associated quadrature Peridynamics model for TLSPH#1233
efaulhaber wants to merge 7 commits into
mainfrom
ef/bond-associated-peridynamics

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@efaulhaber

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This is a first prototype based on the implementation by Kai Partmann in Peridynamics.jl:
https://github.com/kaipartmann/Peridynamics.jl/blob/main/src/physics/rk_correspondence.jl

The results look very promising. Standard TLSPH on the left, the new model on the right:
grafik
I need a penalty force of alpha = 1.0 to get similar results with the standard model. It will be very interesting to see how this model performs in the fin simulation.

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codecov Bot commented Jun 8, 2026

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Codecov Report

❌ Patch coverage is 92.10526% with 18 lines in your changes missing coverage. Please review.
✅ Project coverage is 71.27%. Comparing base (f883a8a) to head (6e7f969).
⚠️ Report is 2 commits behind head on main.

Files with missing lines Patch % Lines
...c/schemes/structure/total_lagrangian_sph/system.jl 88.35% 17 Missing ⚠️
src/schemes/structure/total_lagrangian_sph/rhs.jl 98.11% 1 Missing ⚠️

❗ There is a different number of reports uploaded between BASE (f883a8a) and HEAD (6e7f969). Click for more details.

HEAD has 1 upload less than BASE
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Additional details and impacted files
@@             Coverage Diff             @@
##             main    #1233       +/-   ##
===========================================
- Coverage   90.04%   71.27%   -18.77%     
===========================================
  Files         136      136               
  Lines       10596    10792      +196     
===========================================
- Hits         9541     7692     -1849     
- Misses       1055     3100     +2045     
Flag Coverage Δ
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unit 71.27% <92.10%> (+0.50%) ⬆️

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@efaulhaber efaulhaber force-pushed the ef/bond-associated-peridynamics branch from 025727c to 56c6c78 Compare June 9, 2026 10:38
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