We are pleased to announce the v1.0 release of Enzo-E, a new parallel adaptive mesh refinement magnetohydrodynamics code. Enzo-E is based on Cello, a highly scalable, fully-distributed array-of-octree parallel adaptive mesh refinement (AMR) framework, and Enzo-E is a scalable branch of the original Enzo parallel astrophysics and cosmology application that has been ported to use Cello. Enzo-E’s parallel scalability is enabled by Charm++ (https://charmplusplus.org/), an advanced parallel runtime system developed at the University of Illinois. A short paper describing Enzo-E can be found here. 

Features include:

• Three HD/MHD solvers: PPM, PPML, VL+CT

• Self gravity with a multigrid Poisson solver

• Collisionless particles

• Cosmological evolution

• A wide range of star formation and sink algorithms

• Scalable HDF I/O

• Radiative cooling and chemistry via connection to the Grackle package

Source code repository: https://github.com/enzo-project/enzo-e

Documentation: http://enzo-e.readthedocs.io/

Cello was written by James Bordner and Enzo-E includes contributions from:

Matthew Abruzzo

Stefan Arridge

James Bordner

Thomas Bolden

Greg Bryan

Vanesa Diaz

Andrew Emerick

Forrest Glines

Ryan Golant

Nathan Goldbaum

Buket Benek Gursoy

Philipp Grete

William Hicks

Michael Norman

Claire Kopenhafer

Brian O’Shea

Molly Peeples

John Regan

Dan Reynolds

Wolfram Schmidt

Britton Smith

Jason Tumlinson

Matthew Turk

Saoirse Ward

Sophie Wenzel-Teuber

John Wise

Enzo-E / Cello has benefitted from the following funding sources in reverse chronological order.

• NASA TCAN 80NSSC21K1053 (PI: Peeples; Co-PIs: Bryan, Norman, O’Shea, Wise)

• Irish Research Council New Foundations Scheme (2019; PI: Regan)

• NSF OAC-1835402 (PI: Norman; Institutional PIs: Bryan, O’Shea, Wise)

• NSF SI2 SSE-1440709 (PI: Norman)

• NSF PHY-1104819 (PI: Norman)

• NSF AST-0808184 (PI: Norman)