MFIX-Exa 25.06 Release Notes

Improvements/new capabilities

  • Solve temperature in chemistry ODE (exa/mfix!1340)
  • Support particle size change in chemistry (exa/mfix!1450)

Bug fixes

  • Add fill boundary after velocity update (exa/mfix!1480)
  • Add HALF of explicit divtau for advect momentum update in corrector (exa/mfix!1477)
  • Add species mass fractions clamping and normalization after implicit diffusive solve (exa/mfix!1479)
  • Fix Subramaniam (exa/mfix!1473)
  • Fix bugs in virtual mass implementation (exa/mfix!1470)
  • Fix enthalpy and species diffusion calculations (exa/mfix!1462)

Code cleanup

  • Remove unused code relocate restart (exa/mfix!1489)
  • Remove unused routine (exa/mfix!1488)
  • Remove leveldata dep from grid report (exa/mfix!1487)
  • Move MFIXEB::resize_factories into class constructor (exa/mfix!1486)
  • Move tracer variables to fluid object (exa/mfix!1485)
  • Make diveu local to nodal projection (exa/mfix!1484)
  • Refactor mixture specific heat and enthalpy (exa/mfix!1474)
  • Remove diveu from IO options (exa/mfix!1483)
  • Remove extra call to setup mac projection solver (exa/mfix!1482)
  • Make bcoeff local to MAC proj (exa/mfix!1481)
  • Rework fluid update (exa/mfix!1457)
  • Remove avg_regions and expand monitors (exa/mfix!1449)
  • Never plot solids ep_s nor cp_s (exa/mfix!1471)
  • Reduce particles variables (exa/mfix!1461)
  • Remove all NSWs (exa/mfix!1468)

CI and test changes

  • Remake FLD09 after amrex bump (exa/mfix!1476)
  • Use rocm version 6.3.2. See amrex PR 4330 (exa/mfix!1472)

Subproject updates

  • Bump amrex and fix compilation (exa/mfix!1478)
  • Bump amrex, fix compilation of random engine constructor

Tools updates and fixes

  • none

MFIX-Exa 25.06 has been released on the website. Please report any issues or bugs here on the forum.

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