Files
lammps/src/USER-SMD
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Smooth Mach Dynamics -- Smooth Particle Hydrodynamics for solids and fluids

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.