# PhasicFlow: src/Interaction/contactSearch/methods/cellBased/NBS Directory Reference
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.

NBS Directory Reference
Directory dependency graph for NBS:

## Files

file | cellsWallLevel0.cpp [code]
file | cellsWallLevel0.hpp [code]
file | mapperNBS.cpp [code]
file | mapperNBS.hpp [code]
file | mapperNBSKernels.cpp [code]
file | mapperNBSKernels.hpp [code]
file | NBS.cpp [code]
file | NBS.hpp [code]
file | NBSLevel0.cpp [code]
file | NBSLevel0.hpp [code]
file | NBSLevel0Kernels.hpp [code]
file | NBSLoop.hpp [code]