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# Changelog
All notable changes to this project will be documented in this file.
The format is based on [Keep a Changelog](https://keepachangelog.com/en/1.0.0/), and this project adheres to [Semantic Versioning](https://semver.org/spec/v2.0.0.html) for final versions and [PEP440](https://www.python.org/dev/peps/pep-0440/) in case intermediate versions need to be released (e.g. development version `2.2.3.dev1` or release candidates `2.2.3rc1`), or individual commits are packaged.
## Unreleased
### Added
- Added `read()` method to dumpers to create a model from a dump file
- `getClusters()` can be called in MPI contact with partial contact maps
- Added a JSON encoder class for models and a JSON dumper
- CUDA compatibility is re-established, but has not been tested
- Docstrings in the Python bindings for many classes/methods
### Changed
- Tamaas version numbers are now managed by
[versioneer](https://github.com/python-versioneer/python-versioneer). This
means that Git tags prefixed with `v` (e.g. `v2.2.3`) carry meaning and
determine the version. When no tag is set, versioneer uses the last tag,
specifies the commit short hash and the distance to the last tag (e.g.
`2.2.2+33.ge314b0e`). This version string is used in the compiled library, the
`setup.py` script and the `__version__` variable in the python module.
### Deprecated
- The `finalize()` function is now deprecated, since it is automatically called
when the process terminates.
### Fixed
- Fixed a host of dump read/write issues when model type was not `volume_*d`.
Dumper tests are now streamlined and systematic.
- Fixed a bug where `Model::solveDirichlet` would not compute correctly
- Fixed a bug where `Statistics::contact` would not normalize by the global
number of surface points
## v2.2.2 -- 2021-04-02
### Added
- Entry-point `tamaas` defines a grouped CLI for `examples/pipe_tools`. Try
executing `tamaas surface -h` from the command-line!
### Changed
- `CXXFLAGS` are now passed to the linker
- Added this changelog
- Using absolute paths for environmental variables when running `scons test`
- Reorganized documentation layout
- Gave the build system a facelift (docs are now generated directly with SCons
instead of a Makefile)
### Deprecated
- Python 2 support is discontinued. Version `v2.2.1` is the last PyPi build with
a Python 2 wheel.
- The scripts in `examples/pipe_tools` have been replaced by the `tamaas` command
### Fixed
- `UVWDumper` no longer imports `mpi4py` in sequential
- Compiling with different Thrust/FFTW backends
## v2.2.1 -- 2021-03-02
### Added
- Output registered fields and dumpers in `print(model)`
- Added `operator[]` to the C++ model class (for fields)
- Added `traction` and `displacement` properties to Python model bindings
- Added `operators` property to Python model bindings, which provides a
dict-like access to registered operators
- Added `shape` and `spectrum` to properties to Python surface generator
bindings
- Surface generator constructor accepts surface global shape as argument
- Choice of FFTW thread model
### Changed
- Tests use `/tmp` for temporary files
- Updated dependency versions (Thrust, Pybind11)
### Deprecated
- Most `get___()` and `set___()` in Python bindings have been deprecated. They
will generate a `DeprecationWarning`.
### Removed
- All legacy code
## v2.2.0 -- 2020-12-31
### Added
- More accurate function for computation of contact area
- Function to compute deviatoric of tensor fields
- MPI implementation
- Convenience `hdf5toVTK` function
- Readonly properties `shape`, `global_shape`, `boundary_shape` on model to give
shape information
### Changed
- Preprocessor defined macros are prefixed with `TAMAAS_`
- Moved `tamaas.to_voigt` to `tamaas.compute.to_voigt`
### Fixed
- Warning about deprecated constructors with recent GCC versions
- Wrong computation of grid strides
- Wrong computation of grid sizes in views
## v2.1.4 -- 2020-08-07
### Added
- Possibility to generate a static `libTamaas`
- C++ implementation of DFSANE solver
- Allowing compilation without OpenMP
### Changed
- NetCDF dumper writes frames to a single file
### Fixed
- Compatibility with SCons+Python 3
## v2.1.3 -- 2020-07-27
### Added
- Version number to `TamaasInfo`
### Changed
- Prepending root directory when generating archive
## v2.1.2 -- 2020-07-24
This release changes some core internals related to discrete Fourier transforms
for future MPI support.
### Added
- Caching `CXXFLAGS` in SCons build
- SCons shortcut to create code archive
- Test of the elastic-plastic contact solver
- Paraview data dumper (`.pvd` files)
- Compression for UVW dumper
- `__contains__` and `__iter__` Python bindings of model
- Warning message of possible overflow in Kelvin
### Changed
- Simplified `tamaas_info.cpp`, particularly the diff part
- Using a new class `FFTEngine` to manage discrete Fourier transforms. Plans are
re-used as much as possible with different data with the same shape. This is
in view of future MPI developments
- Redirecting I/O streams in solve functions so they can be used from Python
(e.g. in Jupyter notebooks)
- Calling `initialize()` and `finalize()` is no longer necessary
### Fixed
- Convergence issue with non-linear solvers
- Memory error in volume potentials
## v2.1.1 -- 2020-04-22
### Added
- SCons shortcut to run tests
### Fixed
- Correct `RPATH` for shared libraries
- Issues with SCons commands introduced in v2.1.0
- Tests with Python 2.7
## v2.1.0 -- 2020-04-17
### Added
- SCons shortcuts to build/install Tamaas and its components
- Selection of integration method for Kelvin operator
- Compilation option to remove the legacy part of Tamaas
- NetCDF dumper
### Fixed
- Link bug with clang
- NaNs in Kato saturated solver
## v2.0.0 -- 2019-11-11
First public release. Contains relatively mature elastic-plastic contact code.
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