Enzo Tutorials

More general information can be found in the UserGuide.

If you add new pages, please update one of the Table of Contents macros below.

Running Enzo

Table of Contents

• How to run an Enzo test problem
  • ShockPool3D test
  • GravityTest test

• Enzo Test Suite

• How to run a cosmology simulation
  • Creating initial conditions
  • Parallel IO - the ring tool
  • Running an Enzo cosmology simulation

• Cosmology Step by Step
  • Obtaining the Enzo package
    • Download
    • Subversion Checkout
  • Compiling Enzo
  • Running an Enzo Cosmology Simulation
    • Creating Initial Conditions
    • Parallel IO Using Ring
    • Running an Enzo cosmology simulation
  • Example Data and Analysis

• Sample inits and Enzo parameter files

• Writing Enzo Parameter Files
  • Initialization parameters
  • Cosmology
  • Gravity and Particle Parameters
  • Adiabatic Hydrodynamics parameters
  • AMR Hierarchy Control Parameters
    • Multiple nested grids
  • I/O Parameters
  • Radiative Cooling and UV Physics Parameters
  • Star Formation and Feedback Physics Parameters
  • IO Parallelization Options
  • Notes

• Controlling Enzo data output
  • Data Formats and Files
    • Packed AMR
    • Not Packed AMR
    • Pitfall 1
  • Timing Methods
    • Cycle Based Output
    • Time Based Output
    • Redshift Based Output
    • Force Output Now
    • Sub Cycle Based Output
  • Fin.

• The non intuitive details of ParallelRootGridIO
  • Background: why it is how it is
  • Short version
    • Input/Restart
    • Output
    • Initialization
  • So? That seems pretty straight forward.
    • Setup and Allocation
  • Partition TopGrid and /* bad kludge */

• Estimate of processor counts needed for different Enzo simulations and …

Modifying Enzo

Table of Contents

• Float is double

• lcatest Tutorial
  • Check out lcatest
  • Configure lcatest
    • lcatest Configuration File
  • lcatest Job Templates
    • interactive.template
    • batch.template
  • ~/.lcatestrc
  • Building lcatest
  • Run lcatest

• Adding a new parameter to Enzo

• Adding new refinement criteria
  • Writing your code to flag cells
  • Call your method

• How to add a new baryon field

• Making a branch and merging back
  • The very short version
  • With the new repository head

• Merging Branches
  • Phase I: Branching the Trunk
    • Create a New Branch
    • Check Out the Branch
    • Time Passes
  • Phase II: Testing
  • Phase III: Merging Back
    • Check Out the Trunk
    • Merge From the Branch
    • Check Updated Files
    • Build and Test
    • Commit
  • Phase IV: Delete Branch

• Diffing Copies
  • Set Up: Add and remove a file
  • Revision vs. Working Directory
  • Diffing Between Copies
  • Copy vs. Working Directory
  • Copy vs. Copy
• More Diff
  • Local vs Repository
  • Brief Diffing
  • Lazy?

• Adding a new Local Operator.