CHANGELOG.md

Changelog

[5.1] - 2020-04-09

Added

• Add new tutorials and showcases
• Extend MESA-PD functionalities, including several molecular dynamics models
• Fluid-particle coupling with MESA-PD: functionalities, tests, benchmark scenarios

Changed

• Update to C++17
• Update CUDA compiler support
• Extend Clang-Tidy coverage
• Add closer integration of code generation using pystencils and lbmpy
• Python Coupling now build upon pybind11. Boost.Python is no longer supported
  • lbm module dropped from python coupling due to deprecation for a long time
  • geometry, postprocessing and timeloop dropped from python coupling due to its low usage
  • PEP8-ification of Python API. This means all keyword arguments are now in snake_case and not in CamelCase as before.

Fixed

• Guo force model for non-SRT, may change simulation results

[4.1] - 2019-04-19

Added

• Galerkin coarsening for Multigrid
• LBM-PE-Coupling:
  • new coupling approach for unresolved particle interactions (discrete particle method)
  • adaptive grid refinement for coupled simulations
  • load balancing functionalities for coupled simulations
  • module description
• integrated pystencils and lbmpy code generation for kernels and pack infos
• new GPU communication, including support for GPUDirect
• load balancing functionality for the pe
• implemented IProbe communication as an alternative to two message communication for unknown size communication
• new creation helpers for BlockForest
• Minor:
  • dynamic load balancing now possible with levels ignored
  • ExtendedBoundaryHandlingFactory now uses ParserUBB instead of UBB so that velocity profiles can be specified as an equation in a parameter file
  • Enabled the body selection functions for PSM coupling method
  • grid_generators now allow range based for loops

Changed

• A compiler with full C++14 support is now required
• All Boost usage has been replaced with the corresponding standard library functionality, except for Boost.Python (used for the python_coupling module), Boost.PropertyTree (used in config::configToBoostPropertyTree) and Boost.Graph (used by math::EquationSystem). This usually means you need to replace boost:: with std:: in your code and change some #includes.
• API changes in blockforest::PhantomBlockForest, blockforest::loadbalancing, pe::amr::weight_assignment
• API change for vtk::VTKOutput::getFilenames
• made SendBuffer memory access more high level
• PE coupling:
  • changed body mapping functions: removed most of them, added mapping-decider function, accomodated changes to test cases, added new mapping test case
  • changed pe coupling mapping functions interfaces, added new mapping functions, adapted test cases and benchmarks
  • change in lubrication correction functionality to not require the lattice model but use the dynamic viscosity directly
• PE:
  • rebased Union on BodyStorage
  • pe::Union, boundary::BoundaryHandling and boundary::BoundaryHandlingCollection are now variadic templates instead of taking a tuple of bodies/boundaries/handlers. This means that you need to replace std::tuple<A,B> with A,B in these cases.
  • using smart pointers for all memory management
  • made setMass protected
  • extended DEM collision model with dt
  • pe::createBlockForest changed to support a variable number of processes
  • changed BodyStatistics to use shared_ptr instead of reference

Removed

• Remove dependency resolution from Singleton
• from PE
  • Node
  • PtrVector
  • contacts from RigidBody
  • attached bodies
  • attachables

Fixed

• Fix implict/explict naming in pe::cr

Deprecated

• all dynamic level-wise balance functions (use the more general ones, without "level-wise")