lammps/doc/Eqs/pair_lubricate.tex

18 lines
460 B
TeX

\documentclass[12pt]{article}
\begin{document}
\begin{eqnarray*}
W & = & - a_{sq} | (v_1 - v_2) \bullet \mathbf{nn} |^2 -
a_{sh} | (\omega_1 + \omega_2) \bullet
(\mathbf{I} - \mathbf{nn}) - 2 \Omega_N |^2 - \\
& & a_{pu} | (\omega_1 - \omega_2) \bullet (\mathbf{I} - \mathbf{nn}) |^2 -
a_{tw} | (\omega_1 - \omega_2) \bullet \mathbf{nn} |^2 \qquad r < r_c
\end{eqnarray*}
$$
\Omega_N = \mathbf{n} \times (v_1 - v_2) / r
$$
\end{document}