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🌊 v2.0: ElastoFlow - Complete 2D/3D Viscoelastic Framework

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@VatsalSy VatsalSy released this 03 Nov 12:23
· 180 commits to main since this release
v2.0
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Enhanced Documentation and Robustness Update

Building upon our successful v1.0 release, this version brings significant improvements to documentation, code clarity, and robustness of the log-conformation viscoelastic solver. Also made version tag consistent across main source files: log-conform-viscoelastic-scalar-2D.h and log-conform-viscoelastic-scalar-3D.

✨ Key Improvements

Documentation Enhancements

  • Added comprehensive documentation for the log-conformation method in 2D implementation
  • Synchronized documentation between 2D and 3D versions for consistency
  • Fixed documentation typos in log-conform-viscoelastic-scalar-3D.h

Code Robustness

  • Added validation check for negative eigenvalues in diagonalization_2D function
  • Introduced new initialization functions:
    • init_pseudo_v for pseudo vectors
    • init_pseudo_t for pseudo tensors
  • Enhanced computation of B tensor components
  • Improved transformation of rotation tensor Omega to original coordinate system

Architecture Improvements

  • Refactored tensor operations using intermediate tensor structure A
  • Enforced explicit symmetry in tensor operations
  • Added TODO markers for future transition to fully tensor-based formulation

🔍 Technical Details

  • Enhanced matrix algebra implementation in both 2D and 3D calculations
  • Improved intermediate variable handling for better clarity
  • Better error reporting for negative eigenvalue cases

🎯 Future Development

  • Planned transition to a fully tensor-based formulation
  • Continued optimization of computational efficiency
  • Further documentation improvements

🔄 Compatibility

  • Fully compatible with previous v1.0 implementations
  • Maintains support for both 2D and 3D simulations
  • Preserves existing functionality while improving robustness

For a complete list of changes, please refer to the commit history and PR #14.

📚 Previous Release (v1.0) Highlights

  • Complete scalar implementation of log-conformation method for 3D viscoelastic fluid simulations
  • Optimized matrix operations in 3D calculations
  • Enhanced initialization functions
  • Improved error handling
  • Optimized Omega tensor calculations
  • Performance improvements in acceleration term calculations
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