Release version 0.4.0

ARMI v0.4.0

Release Date: 2024-08-14

What's new in ARMI

• Conserve mass by component in assembly.setBlockMesh(). PR#1665
• Removal of the Block.reactor property. PR#1425
• System information is now also logged on Linux. PR#1689
• Reset Reactor data on worker processors after every interaction to free memory from state distribution.
  [PR#1729](https://github.com/terrapower/armi/pull/1729>`_ and `PR#1750](#1750)
• Density can be specified for components via custom isotopics in the blueprints. PR#1745
• Implement a new JaggedArray class that handles HDF5 interface for jagged data. PR#1726

API Changes

• Replacing the concrete material with a better reference. PR#1717
• Adding more detailed time information to logging. PR#1796
• Renaming structuredgrid.py to camelCase. PR#1650
• Removing unused argument from Block.coords(). PR#1651
• Removing unused method HexGrid.allPositionsInThird(). PR#1655
• Removed unused methods: Reactor.getAllNuclidesIn(), plotTriangleFlux(). PR#1656
• Removed armi.utils.dochelpers; not relevant to nuclear modeling. PR#1662
• Removing old tools created to help people convert to the current database format: armi.bookkeeping.db.convertDatabase() and ConvertDB. PR#1658
• Removing the unused method Case.buildCommand(). PR#1773
• Removed the variable armi.physics.neutronics.isotopicDepletion.ORDER. PR#1671
• Removing extraneous ArmiOjbect methods. PR#1667
  • Moving ArmiObject.getBoronMassEnrich() to Block.
  • Moving ArmiObject.getPuMoles() to Block.
  • Moving ArmiObject.getUraniumMassEnrich() to Block.
  • Removing ArmiObject.getMaxUraniumMassEnrich.().
  • Removing ArmiObject.getMaxVolume() & Block.getMaxVolume().
  • Removing ArmiObject.getPuFrac().
  • Removing ArmiObject.getPuMass().
  • Removing ArmiObject.getPuN().
  • Removing ArmiObject.getZrFrac().
  • Removing ArmiObject.printDensities().
  • Moving Composite.isOnWhichSymmetryLine() to Assembly.
  • Removing Block.isOnWhichSymmetryLine().
• Removing the Block.reactor property. PR#1425
• Moving several ArmiObject methods. PR#1425
  • Moving ArmiObject.getNeutronEnergyDepositionConstants to Block.
  • Moving ArmiObject.getGammaEnergyDepositionConstants to Block.
  • Moving ArmiObject.getTotalEnergyGenerationConstants to Block.
  • Moving ArmiObject.getFissionEnergyGenerationConstants to Block.
  • Moving ArmiObject.getCaptureEnergyGenerationConstants to Block.
• Removing the parameter rdIterNum. PR#1704
• Removing the parameters outsideFuelRing and outsideFuelRingFluxFr. PR#1700
• Removing the setting doOrificedTH. PR#1706
• Changing the Doppler constant params to VOLUME_INTEGRATED. PR#1659
• Change Operator._expandCycleAndTimeNodeArgs to be a non-static method. PR#1766
• Database now writes state at the last time node of a cycle rather than during the DatabaseInterface.interactEOC interaction. PR#1090

Bug fixes

• Fixed four bugs with "corners up" hex grids. PR#1649
• Fixed safeCopy to work on both Windows and Linux with strict permissions PR#1691
• When creating a new XS group, inherit settings from initial group. [PR#1653](https://github.com/terrapower/armi/pull/1653>`_, `PR#1751](#1751)
• Fixed a bug with Core.getReactionRates. PR#1771
• Fixed a bug with interactive versus batch mode checking on windows versus linux. PR#1786

Quality Work

• Creating a single-block test reactor, to speed up unit tests. PR#1737
• Supporting MacOS in CI. PR#1713
• We now enforce a maximum line length of 120 characters, using ruff. PR#1646
• Updating ruff to version 0.5.1. PR#1770
• Move .coveragerc file information into pyproject.toml. PR#1692

Changes that Affect Requirements

• Very minor change to Block.coords(), removing unused argument. PR#1651
• Touched HexGrid by adding a "cornersUp" property and fixing two bugs. PR#1649
• Very slightly modified the implementation of Assembly.add(). PR#1670