git-svn-id: svn://svn.icms.temple.edu/lammps-ro/trunk@12145 f3b2605a-c512-4ea7-a41b-209d697bcdaa
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@ -28,14 +28,16 @@ dihedral_coeff 100.0 80.0
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</P>
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</P>
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<CENTER><IMG SRC = "Eqs/dihedral_quadratic.jpg">
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<CENTER><IMG SRC = "Eqs/dihedral_quadratic.jpg">
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</CENTER>
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</CENTER>
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<P>This dihedral potential can be used to keep a dihedral in a predefined value.
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<P>This dihedral potential can be used to keep a dihedral in a predefined
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value (cis=zero, right-hand convention is used).
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</P>
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</P>
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<P>The following coefficients must be defined for each dihedral type via the
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<P>The following coefficients must be defined for each dihedral type via
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<A HREF = "dihedral_coeff.html">dihedral_coeff</A> command as in the example above, or in
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the <A HREF = "dihedral_coeff.html">dihedral_coeff</A> command as in the example
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the data file or restart files read by the <A HREF = "read_data.html">read_data</A>
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above, or in the data file or restart files read by the
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or <A HREF = "read_restart.html">read_restart</A> commands:
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<A HREF = "read_data.html">read_data</A> or <A HREF = "read_restart.html">read_restart</A>
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commands:
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</P>
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</P>
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<UL><LI>K (energy)
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<UL><LI>K (energy/radian^2)
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<LI>phi0 (degrees)
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<LI>phi0 (degrees)
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</UL>
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</UL>
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<HR>
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<HR>
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@ -47,10 +49,10 @@ discussed in <A HREF = "Section_accelerate.html">Section_accelerate</A> of the
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manual. The accelerated styles take the same arguments and should
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manual. The accelerated styles take the same arguments and should
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produce the same results, except for round-off and precision issues.
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produce the same results, except for round-off and precision issues.
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</P>
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</P>
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<P>These accelerated styles are part of the USER-CUDA, GPU, USER-OMP and OPT
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<P>These accelerated styles are part of the USER-CUDA, GPU, USER-OMP and
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packages, respectively. They are only enabled if LAMMPS was built with
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OPT packages, respectively. They are only enabled if LAMMPS was built
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those packages. See the <A HREF = "Section_start.html#start_3">Making LAMMPS</A>
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with those packages. See the <A HREF = "Section_start.html#start_3">Making
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section for more info.
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LAMMPS</A> section for more info.
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</P>
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</P>
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<P>You can specify the accelerated styles explicitly in your input script
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<P>You can specify the accelerated styles explicitly in your input script
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by including their suffix, or you can use the <A HREF = "Section_start.html#start_7">-suffix command-line
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by including their suffix, or you can use the <A HREF = "Section_start.html#start_7">-suffix command-line
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@ -24,14 +24,16 @@ The {quadratic} dihedral style uses the potential:
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:c,image(Eqs/dihedral_quadratic.jpg)
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:c,image(Eqs/dihedral_quadratic.jpg)
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This dihedral potential can be used to keep a dihedral in a predefined value.
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This dihedral potential can be used to keep a dihedral in a predefined
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value (cis=zero, right-hand convention is used).
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The following coefficients must be defined for each dihedral type via the
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The following coefficients must be defined for each dihedral type via
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"dihedral_coeff"_dihedral_coeff.html command as in the example above, or in
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the "dihedral_coeff"_dihedral_coeff.html command as in the example
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the data file or restart files read by the "read_data"_read_data.html
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above, or in the data file or restart files read by the
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or "read_restart"_read_restart.html commands:
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"read_data"_read_data.html or "read_restart"_read_restart.html
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commands:
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K (energy)
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K (energy/radian^2)
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phi0 (degrees) :ul
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phi0 (degrees) :ul
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:line
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:line
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@ -43,10 +45,10 @@ discussed in "Section_accelerate"_Section_accelerate.html of the
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manual. The accelerated styles take the same arguments and should
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manual. The accelerated styles take the same arguments and should
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produce the same results, except for round-off and precision issues.
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produce the same results, except for round-off and precision issues.
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These accelerated styles are part of the USER-CUDA, GPU, USER-OMP and OPT
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These accelerated styles are part of the USER-CUDA, GPU, USER-OMP and
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packages, respectively. They are only enabled if LAMMPS was built with
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OPT packages, respectively. They are only enabled if LAMMPS was built
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those packages. See the "Making LAMMPS"_Section_start.html#start_3
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with those packages. See the "Making
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section for more info.
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LAMMPS"_Section_start.html#start_3 section for more info.
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You can specify the accelerated styles explicitly in your input script
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You can specify the accelerated styles explicitly in your input script
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by including their suffix, or you can use the "-suffix command-line
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by including their suffix, or you can use the "-suffix command-line
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