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+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/USER/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.