This package implements smoothed particle hydrodynamics (SPH) in LAMMPS. Currently, the package has the following features: * Tait, ideal gas, Lennard-Jones equation of states, full support for complete (i.e. internal-energy dependent) equations of state * plain or Monaghans XSPH integration of the equations of motion * density continuity or density summation to propagate the density field * commands to set internal energy and density of particles from the input script * output commands to access internal energy and density for dumping and thermo output See the file doc/USER/sph/SPH_LAMMPS_userguide.pdf to get started. There are example scripts for using this package in examples/PACKAGES/sph. The person who created this package is Georg Ganzenmuller at the Fraunhofer-Institute for High-Speed Dynamics, Ernst Mach Institute in Germany (georg.ganzenmueller at emi.fhg.de). Contact him directly if you have questions.