Block-Structured AMR Software Framework
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amrex::EBData Struct Reference

Set of Array4 views to EB data for a single box (plus helpers). More...

#include <AMReX_EBData.H>

Public Member Functions

template<EBData_t T>
__host__ __device__ auto get (int i, int j, int k) const noexcept
 Access scalar EB data entries at cell (i,j,k).
template<EBData_t T>
__host__ __device__ const auto & get () const noexcept
 Access the Array4 backing EB data T.
template<EBData_t T>
requires ( T == EBData_t::centroid || T == EBData_t::bndrycent || T == EBData_t::bndrynorm || T==EBData_t::fcx || T==EBData_t::fcy || T==EBData_t::fcz )
__host__ __device__ auto get (int i, int j, int k, int n) const noexcept
__host__ __device__ GpuArray< Real, 3 > randomPointOnEB (int i, int j, int k, RandomEngine const &engine, GpuArray< Real, 3 > const &dx) const
 Generate a uniformly random point on the EB face inside cell (i,j,k).

Public Attributes

Array4< EBCellFlag const > const * m_cell_flag = nullptr
Array4< Real const > const * m_real_data = nullptr

Static Public Attributes

static constexpr int real_data_size = static_cast<int>(EBData_t::cellflag)

Detailed Description

Set of Array4 views to EB data for a single box (plus helpers).

Member Function Documentation

◆ get() [1/3]

template<EBData_t T>
__host__ __device__ const auto & amrex::EBData::get ( ) const
inlinenodiscardnoexcept

Access the Array4 backing EB data T.

◆ get() [2/3]

template<EBData_t T>
__host__ __device__ auto amrex::EBData::get ( int i,
int j,
int k ) const
inlinenodiscardnoexcept

Access scalar EB data entries at cell (i,j,k).

◆ get() [3/3]

template<EBData_t T>
requires ( T == EBData_t::centroid || T == EBData_t::bndrycent || T == EBData_t::bndrynorm || T==EBData_t::fcx || T==EBData_t::fcy || T==EBData_t::fcz )
__host__ __device__ auto amrex::EBData::get ( int i,
int j,
int k,
int n ) const
inlinenodiscardnoexcept

◆ randomPointOnEB()

__host__ __device__ GpuArray< Real, 3 > amrex::EBData::randomPointOnEB ( int i,
int j,
int k,
RandomEngine const & engine,
GpuArray< Real, 3 > const & dx ) const
inlinenodiscard

Generate a uniformly random point on the EB face inside cell (i,j,k).

The point is in the cell's local coordinates normalized to [-0.5,0.5]. The cell size dx is needed because the stored boundary normal is a unit vector in physical space.

Useful for Monte-Carlo flux evaluations or sampling with particles.

Member Data Documentation

◆ m_cell_flag

Array4<EBCellFlag const> const* amrex::EBData::m_cell_flag = nullptr

◆ m_real_data

Array4<Real const> const* amrex::EBData::m_real_data = nullptr

◆ real_data_size

int amrex::EBData::real_data_size = static_cast<int>(EBData_t::cellflag)
staticconstexpr
The documentation for this struct was generated from the following file: