Would you like to [wrap any pointers](https://github.com/projectchrono/DEM-Engine/blob/5521154b63f4ef03f9fcd55822223181ba8ecee3/src/DEM/APIPublic.cpp#L23-L65 "Update candidate: DEMSolver class") with the class template “[std::unique_ptr](https://en.wikipedia.org/wiki/Smart_pointer#Unique_pointers "Description for the usage of smart pointers")”?
