Data

mutable struct KA{DIM, NDF}

Structure that collects all of the data.

• kinfo::KInfo

• kdata::KData

mutable struct KInfo{DIM, NDF}

Structure of required information during a simulation.

• config::Configure: Defined by Configure.

• forest::Forest: Defined by Forest.

• status::Status: Defined by Status.

mutable struct KData{DIM, NDF}

Structure of computed data.

• field::Field

• ghost::Ghost

mutable struct Forest{DIM}

Structure related to p4est.

• p4est::Union{Ptr{KitAMR.P4est.LibP4est.p4est}, Ptr{KitAMR.P4est.LibP4est.p8est}}

• ghost::Union{Ptr{KitAMR.P4est.LibP4est.p4est_ghost_t}, Ptr{KitAMR.P4est.LibP4est.p8est_ghost_t}}

• mesh::Union{Ptr{KitAMR.P4est.LibP4est.p4est_mesh_t}, Ptr{KitAMR.P4est.LibP4est.p8est_mesh_t}}

mutable struct Status

Structure of simulation status. It contains the real time information, and is updated every step.

Fields

• gradmax::Vector{Float64}: Maximum absolute value of the gradients of conserved variables.

• Δt::Float64: Time step size used in iterate!.

• Δt_ξ::Float64: Time step size constraint by grid size.

• sim_time::Float64: Dimensionless simulation time.

• step::Int64: Number of steps that have been marched.

• ps_adapt_step::Int64: Number of steps after last AMR in physical space.

• vs_adapt_step::Int64: Number of steps after last AMR in velocity space.

• partition_step::Int64: Number of steps after last partition.

• residual::Residual: Residual of conserved variables defined by Residual.

• save_flag::Base.RefValue{Bool}: Flag indicating whether to save.

• mpi_reqs::Vector{MPI.Request}: Reusable vector of MPI requests for asynchronous communication.

mutable struct Residual

• residual::Vector{Float64}: Residual of primary variables, is updated by residual_check!.

• sumRes::Vector{Float64}: Summation of residuals.

• sumAvg::Vector{Float64}: Summation of primary variables to average sumRes.

• redundant_step::Int64: Count of redundant step to insure the convergence.

mutable struct Ghost

Structure of ghost layer for communication between processors.

• ghost_buffer::GhostBuffer

• ghost_wrap::Vector{KitAMR.AbstractGhostPsData}

• ghost_info::GhostInfo

mutable struct GhostBuffer

Julia-managed MPI buffers for the ghost layer. All memory is owned by the Julia GC; no manual sc_free is required.

• ghost_datas::Vector{Float64}: Flat receive buffer for ghost cell data (df, w, …).

• ghost_slopes::Vector{Float64}: Flat receive buffer for ghost cell slopes (sdf, sw).

• ghost_structures::Vector{Float64}: Flat receive buffer for ghost VS structure (weight, level, midpoint).

• mirror_data_bufs::Vector{Vector{Float64}}: Per-mirror send buffer for data, one entry per mirror quadrant.

• mirror_slope_bufs::Vector{Vector{Float64}}: Per-mirror send buffer for slopes, one entry per mirror quadrant.

• mirror_structure_bufs::Vector{Vector{Float64}}: Per-mirror send buffer for VS structure, one entry per mirror quadrant.

struct GhostInfo

Julia-managed metadata for the ghost layer: vs_nums, flat-buffer offsets, and pre-computed element-count arrays that are reused every time-step without reallocation.

• ghost_vsnums::Vector{Int64}: vsnum of each ghost quadrant (length = nghosts).

• mirror_vsnums::Vector{Int64}: vsnum of each mirror quadrant (length = nmirrors).

• ghost_data_offsets::Vector{Int64}: Float64-element offset into ghost_datas for each ghost quadrant.

• ghost_slope_offsets::Vector{Int64}: Float64-element offset into ghost_slopes for each ghost quadrant.

• ghost_structure_offsets::Vector{Int64}: Float64-element offset into ghost_structures for each ghost quadrant.

• ghost_data_szs::Vector{Int64}: Cached Float64-element count of ghost data buffer per ghost quadrant.

• ghost_slope_szs::Vector{Int64}: Cached Float64-element count of ghost slope buffer per ghost quadrant.

• mirror_data_szs::Vector{Int64}: Cached Float64-element count of ghost data buffer per mirror quadrant.

• mirror_slope_szs::Vector{Int64}: Cached Float64-element count of ghost slope buffer per mirror quadrant.

mutable struct Field{DIM, NDF}

Structure of fields data.

• trees::PsTrees: Cells data defined by PsTrees.

• faces::Vector{AbstractFace}: Mapping between faces and cells. The element type is defined by AbstractFace.

• immersed_boundaries::Array{ImmersedBoundary{DIM, NDF}, 1} where {DIM, NDF}: Pre-collected immersed-boundary data (donor cells, solid cells, IB faces).

mutable struct PsTrees{DIM, NDF}

Structure of cells data managed by Julia.

• data::Array{Array{AbstractPsData{DIM, NDF}, 1}, 1} where {DIM, NDF}

• offset::Int64: Offset of treeid used in partition.