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ChaNGa

Scientific models · by ChaNGa

Code to perform collisionless N-body simulations.

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What it does

Code to perform collisionless N-body simulations. Supports cosmological simulations with periodic boundary conditions in comoving coordinates and simulations of isolated stellar systems. Includes hydrodynamics via Smooth Particle Hydrodynamics (SPH). Uses a Barnes-Hut tree for gravity with hexadecapole expansion and Ewald summation for periodic forces. Timestepping via leapfrog integrator with individual timesteps. Uses Charm++ dynamic load balancing for massively parallel systems. Uses the Tipsy file format for I/O.

  • Collisionless N-body simulations
  • Cosmological simulations with periodic boundary conditions in comoving coordinates
  • Simulations of isolated stellar systems
Category
Scientific models
Public API
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