Levelset

[LDTalbot]

Description
Levelset method implementation with frictional barrier method via Zhao et al. (2023).

TODO

• 2D benchmark tests for sliding block on plane.
• 3D benchmark tests for sliding block on plane.
• Adhesion functionality + "uphill" prevention
• Computational speed improvements.
• Add functionality for separate levelset mesh.
• Write tests.
• Add documentation: update wiki, example input files, benchmarks.

Potential Issues/Modifications

• Parameter exploration: barrier stiffness, slip threshold, levelset MP radius (contact tolerance)
• Potential levelset normal source of error once mesh is separate
• RBD levelset

Related Issues

• Contact functionality
• Nomenclature for subclasses/derived classes: want e.g. MeshLevelset, ParticleLevelset

[codecov]

Codecov Report

Attention: Patch coverage is 15.08772% with 242 lines in your changes are missing coverage. Please review.

Project coverage is 95.23%. Comparing base (a036d3d) to head (be94707).

❗ Current head be94707 differs from pull request most recent head d2c7d5e

Please upload reports for the commit d2c7d5e to get more accurate results.

Files	Patch %	Lines
include/particles/particle_levelset.tcc	0.00%	70 Missing ⚠️
include/mesh/mesh_levelset.tcc	0.00%	56 Missing ⚠️
include/io/io_mesh_ascii.tcc	8.00%	23 Missing ⚠️
include/solvers/mpm_base.tcc	47.73%	23 Missing ⚠️
include/nodes/node_levelset.tcc	0.00%	17 Missing ⚠️
include/nodes/node_base.h	0.00%	12 Missing ⚠️
include/nodes/node_levelset.h	0.00%	12 Missing ⚠️
include/contacts/contact_levelset.tcc	0.00%	11 Missing ⚠️
include/mesh/mesh_levelset.h	0.00%	5 Missing ⚠️
include/solvers/mpm_explicit.tcc	28.57%	5 Missing ⚠️
... and 4 more

Additional details and impacted files

@@            Coverage Diff             @@
##           master      #88      +/-   ##
==========================================
- Coverage   95.71%   95.23%   -0.48%     
==========================================
  Files         241      248       +7     
  Lines       50257    50526     +269     
==========================================
+ Hits        48101    48118      +17     
- Misses       2156     2408     +252     

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