Enzo Changelog

Version 2.1.1

Release date - Oct 27, 2011

Enhancement: Test suite is now fully operational. See run/README for more details.
Enhancement: The “must refine” region can move with a user-defined, time-dependent refine region (parameter RefineRegionFile and refinement option 12)
Bugfix: Enzo now compiles with HDF5 v1.6.x (Michael Kuhlen)
Bugfix: User-defined time-dependent refine region now works with code time (David Collins)
Bugfix: Photon timesteps no longer go to tiny numbers (~1e-20) in certain situations when using the HII-restricted timestepping algortihm.

Release date - Oct 17, 2011

New feature: Isotropic and anisotropic heat conduction
New feature: X-ray ionization and heating
New feature: Massive black hole particles
New feature: Testing suite
New feature: Shock tracking
New feature: Distributed stellar feedback across multiple cells
Enhancement: Improved molecular hydrogen chemistry at high densities
Enhancement: Fourth-order accurate gravity solver
Enhancement: HDF5 based hierarchy file (off by default)
Enhancement: Dust cooling -- Molecular hydrogen formation on dust grains
Enhancement: Time-dependent Lyman-Werner radiation backgrounds
Enhancement: Type Ia SNe and planetary nebulae feedback
Enhancement: HLLC and HLL Riemann solvers for HD (HydroMethod=0)
Enhancement: HLLD Riemann solver for MHD
Enhancement: Improved inline analysis with yt
Enhancement: Simplifed multi-mesh cosmological initial conditions with inits.
Enhancement: Improved and expanded documentation
Performance improvement: Load balancing on a space-filling curve
Performance improvement: Parallel ray tracing
Performance improvement: Ray tracing load balancing
Changed all FORTRAN files to .F instead of .src to remove the pre-processing step.
Various bugfixes over the past year.

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