dihedral_multi_harmonic.html
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	<CENTER><A HREF = "http://lammps.sandia.gov">LAMMPS WWW Site</A> - <A HREF = "Manual.html">LAMMPS Documentation</A> - <A HREF = "Section_commands.html#comm">LAMMPS Commands</A>
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	<H3>dihedral_style multi/harmonic command
	</H3>
	<P><B>Syntax:</B>
	</P>
	<PRE>dihedral_style multi/harmonic
	</PRE>
	<P><B>Examples:</B>
	</P>
	<PRE>dihedral_style multi/harmonic
	dihedral_coeff 1 20 20 20 20 20
	</PRE>
	<P><B>Description:</B>
	</P>
	<P>The <I>multi/harmonic</I> dihedral style uses the potential
	</P>
	<CENTER><IMG SRC = "Eqs/dihedral_multi_harmonic.jpg">
	</CENTER>
	<P>The following coefficients must be defined for each dihedral type via the
	<A HREF = "dihedral_coeff.html">dihedral_coeff</A> command as in the example above, or in
	the data file or restart files read by the <A HREF = "read_data.html">read_data</A>
	or <A HREF = "read_restart.html">read_restart</A> commands:
	</P>
	<UL><LI>A1 (energy)
	<LI>A2 (energy)
	<LI>A3 (energy)
	<LI>A4 (energy)
	<LI>A5 (energy)
	</UL>
	<P><B>Restrictions:</B> none
	</P>
	<P><B>Related commands:</B>
	</P>
	<P><A HREF = "dihedral_coeff.html">dihedral_coeff</A>
	</P>
	<P><B>Default:</B> none
	</P>
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