diff --git a/doc/src/bond_fene.rst b/doc/src/bond_fene.rst index 4f5f754a35..e9c2f31b3c 100644 --- a/doc/src/bond_fene.rst +++ b/doc/src/bond_fene.rst @@ -19,7 +19,7 @@ Syntax bond_style fene bond_style fene/nm/split - + Examples """""""" @@ -46,11 +46,11 @@ term is attractive, the second Lennard-Jones term is repulsive. The first term extends to :math:`R_0`, the maximum extent of the bond. The second term is cutoff at :math:`2^\frac{1}{6} \sigma`, the minimum of the LJ potential. -The *fene/nm/split* bond style substitutes the standard LJ potential with the generalized LJ potential. The bond energy is then given by -.. math:: +The *fene/nm/split* bond style substitutes the standard LJ potential with the generalized LJ potential. The bond energy is then given by +.. math:: E = -0.5 K R_0^2 \ln \left[ 1 - \left(\frac{r}{R_0}\right)^2\right] + \frac{\epsilon}{(n-m)} \left[ m \left(\frac{r_0}{r}\right)^n - n \left(\frac{r_0}{r}\right)^m \right] - + The following coefficients must be defined for each bond type via the :doc:`bond_coeff ` command as in the example above, or in the data file or restart files read by the :doc:`read_data ` @@ -61,7 +61,7 @@ or :doc:`read_restart ` commands: * :math:`\epsilon` (energy) * :math:`\sigma` (distance) -For the *fene/nm/split* style, the following additional coefficients are needed. Note, the standard LJ potential is recovered for (n=12 m=6). +For the *fene/nm/split* style, the following additional coefficients are needed. Note, the standard LJ potential is recovered for (n=12 m=6). * :math:`n` (unitless) * :math:`m` (unitless) diff --git a/doc/src/pair_nm.rst b/doc/src/pair_nm.rst index 13916eb8f5..c2e4b471a4 100644 --- a/doc/src/pair_nm.rst +++ b/doc/src/pair_nm.rst @@ -84,7 +84,7 @@ interaction has the following form: where :math:`r_c` is the cutoff. Style *nm/cut/split* applies the standard LJ (6-12) potential above :math:`2^\frac{1}{6} \sigma`. - + Style *nm/cut/coul/cut* adds a Coulombic pairwise interaction given by .. math::