plus - v1.1.0

Changelog of v1.1.0

New Features

• non-collinear antiferromagnets
  • viscous damping
  • traction boundary conditions
  • Add more accurate calculation of stray field kernels using an asymptotic expansion.
  • 3D voronoi tessellation
  • magnetic force microscopy (with example)
  • show_regions functionality.

Quality of life

• Let StrayField accept all Magnet classes.
• Add pyOVF to the environment for proper reading and writing of .ovf files.
• documentation website

Bug fixes

• Cast 1 to real for proper single/double handling in voronoi.cpp.
• Fix exchangeAssuredZero function.
• Fix energy calculation for non-trivial geometries.

Misc.

• Slight optimization of field, force and strain initialization.
• Add colon to ku2 and kc3 parameter names.
• Reference paper2025 tag in README and documentation.

- Python
Published by ilateur 11 months ago

plus - v1.0.2

Changelog of v1.0.2

New features

• Add rigid strain (with example and tests).
• Add frozen spins (with tests).
• Enhance Voronoi tessellation:
  • settable seed
  • user-accessible regionOf function
  • PBC
  • Let user define center indices using a function.

Quality of life

• Allow writing data to file during solve.
• Add meshgrid property to Magnet class.
• Add option to use callable function to set time term mask of Parameter (with tests).
• Allow for easy AFM demag switch in AFM.
• Bind is_sublattice to Python side.
• Add optional tqdm progress bar to solve function.

Bug fixes

• Change uint to unsigned int.
• Fix adaptive corrFactor.
• Change afmexnn and afmexcell warnings to function with functions and arrays.
• Fix wrong pointer bug in dynamic CuVectorParameter vectorAt function.
• Fix bench example.
• Fix bug in dmiAssuredZero.
• Make k_fieldGetRGB memory safe.
• Account for rectangular grids in tessellator.
• Use a default sensible timestep when starting adaptive timestepping if torque is zero.
• Update C++ examples and let pip install them.
• Improve accuracy of traction-free BC to 2nd order which improves stability.
• Account for zero msat of sub2 neighbor in AFM DMI calculation.

Tests

• Added proposed DMI standardproblem tests in 1D, 2D and 3D.
• Added similar tests for AFM.
• Rigid strain tests
• Frozen spins tests
• Parameter time term mask tests

Misc.

• Change cij to Cij.
• Mention double precision in README.
• Fix typo in AFM Relaxer.
• Add B1 and B2 warnings.
• Add valueAt to CuVectorParameter.
• Tweak magnetoelasticdispersionafm example.
• Clean up twodomain config.
• Fix typo in standardproblem 2.
• Remove unnecessary transpose in magnetoelastic example.
• Change displacement representation from scatter to lines in example.
• Expand skyrmionracetrack example to show more than just the final result.
• Fix docstring units.
• Add rigid strain example based on paper.

Full Changelog: https://github.com/mumax/plus/compare/v1.0.1...v1.0.2

- Python
Published by ilateur about 1 year ago

plus - v1.0.1

Small update to update CMake, Python and pybind11: - CMake 3.16 ti 4.0.0, with minimum of 3.24 for clean automatic CUDA architecture detection - Python 3.8 to 3.13 - pybind11 ~v2.4 to v2.13.6

- Python
Published by ilateur about 1 year ago

plus - 1.0.0

Features include: - multiple magnets - antiferromagnets and ferrimagnets - total DMI tensor - magnetoelastics - antiferromagnetic magnetoelastics

See the following paper for a full description.

mumax+: extensible GPU-accelerated micromagnetics and beyond

https://arxiv.org/abs/2411.18194

- Python
Published by ilateur over 1 year ago