Types

struct Simulation{D}

• config::Any

• id::Pair{Int64, Int64}

• pids::Vector{Int64}

• simdata::Any

• timeinfo::Any

  ::TimeInfo

• outputinfo::Any

  ::OutputInfo

• loginfo::Any

  ::LogInfo

• physics::Any

  ::PhysicsInfo

• stream::Any

  ::StreamInfo

• visinfo::Any

  ::VisualizationInfo

• buffer::Any

  ::Buffer

• bgforce::Vector{Function}

• bgpotential::Vector{Function}

struct SimConfig{F, U}

• name::String

• author::String

• daytime::Dates.DateTime

• floattype::Any

  Numeric type of float numbers

• units::Any

  Prefered units in simulation. Default is uAstro. See PhysicalParticles: uAstro, uSI, uGadget2, uCGS. To run without units, use nothing

• ZeroValues::Any

  ZeroValue. Pre-constructed zero values for different types to simplify function arguments

• constants::Any

  Constant. Physical constants

• loggingmode::Any

  Choose how to display status of simulation. Supported: NormalMode, ProgressMode, SilentMode. Default is ProgressMode displaying progress bars

• time::Any

  TimeConfig

• output::Any

  OutputConfig

• solver::Any

  SolverConfig

• grav::Any

  GravityConfig

• device::Any

  DeviceConfig

Examples

SimConfig(; GravitySolver = Tree())
SimConfig(; device = GPU(), TimeStep = 1.0e-5u"Gyr")
SimConfig(; units = uGadget2)
SimConfig(; units = nothing, ForceSofteningTable = [0.01 for i in 1:6])
SimConfig(; TimeEnd = 1.0u"Gyr", OutputDir = "Test/Dir")

mutable struct StreamInfo

• loggingio::IOStream

• timerio::IOStream

• analyserio::IOStream

mutable struct TimeInfo{T<:Number, I<:Integer}

• dt::Number

  Time interval between neighbor time steps

• system_time_int::Integer

• system_time_float::Number

• last_system_time_int::Integer

• last_system_time_float::Number

• next_output_time_int::Integer

• next_output_time_float::Number

• redshift::Float64

• scalefactor::Float64

• min_endstep::Integer

• stepcount::Integer

mutable struct OutputInfo

• snapshotcount::Int64

• syncflag::Bool

mutable struct PhysicsInfo

• NumForceUpdateSinceLast::Int64

mutable struct VisualizationInfo

• progress::ProgressMeter.Progress

• PlotData::Any

• resolution::Any

• fig::Any

• Realtime::Bool

• RenderTime::Float64

• last_plot_time::Float64

• xlims::Any

• ylims::Any

• zlims::Any

• markersize::Float64

struct TreeSimConfig

Controls accuracy of tree method

• TreeOpenAngle::Float64

  If the view angle of tree node that relative to the sink point is too large, open this node. In radian unit. Default is 0.1

• ErrTolAcc::Float64

  While opening the tree node, take the last acceleration into account. Improves accuracy at high redshift cosmology. Default is 0.025

Direct Summation Method

Peano-Hilbert Space Filling Octree Method

Finite Differencing Method

Fast Fourier Transform

Machine Learning

Smoothed Particle Hydrodynamics

Magnetohydrodynamics

Finite Element Method

Finite Volume Method

Gravity model. Supported: Newton, MOND1983Milgrom, QUMOND

Traditional Newtonian gravity

Milgrom 1983 formula of MOND

1st-order explicit Euler time integration

Leapfrog time integration

`::OutboundLimiter`. Choose how to handle particles out of the non-periodic simulation box.
Supported:
    - `Delete`: delete outbound particles
    - `DS`: use direct summation method to compute forces 
    - `CoarseMesh`: Construct a coarse mesh to overlap all particles

Delete outbound particles if they run out of the non-periodic simulation box

Compute forces using direct summation method if the particles run out of the non-periodic simulation box

Construct a coarse mesh to overlap all particles for non-periodic boundary conditions