# PhasicFlow: src/phasicFlow/structuredData/boundaries -> pointStructure Relation
PhasicFlow is an open-source parallel DEM (discrete element method) package for simulating granular flow. It is developed in C++ and can be exectued on both GPU (like CUDA) and CPU.

### boundaries → pointStructure Relation

File in src/phasicFlow/structuredData/boundaries | Includes file in src/phasicFlow/structuredData/pointStructure
--- | ---
boundaryList.cpp | pointStructure / pointStructure.hpp
boundaryBase / boundaryBase.cpp | internalPoints / internalPoints.hpp
boundaryBase / boundaryBase.cpp | pointStructure / pointStructure.hpp
boundaryExit / boundaryExit.cpp | internalPoints / internalPoints.hpp
boundaryPeriodic / boundaryPeriodic.cpp | internalPoints / internalPoints.hpp