From 677997699d0fdabc32ff83b2174b19faf58e2aee Mon Sep 17 00:00:00 2001 From: Axel Kohlmeyer Date: Sat, 15 Oct 2022 15:35:29 -0400 Subject: [PATCH] more consistency --- doc/src/pair_granular.rst | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/doc/src/pair_granular.rst b/doc/src/pair_granular.rst index 6f84b0d9c7..0b8f3e11ae 100644 --- a/doc/src/pair_granular.rst +++ b/doc/src/pair_granular.rst @@ -97,7 +97,7 @@ on particle *i* due to contact with particle *j* is given by: Where :math:`\delta_{ij} = R_i + R_j - \|\mathbf{r}_{ij}\|` is the particle overlap, :math:`R_i, R_j` are the particle radii, :math:`\mathbf{r}_{ij} = \mathbf{r}_i - \mathbf{r}_j` is the vector separating the two -particle centers (note the i-j ordering so that :math:`F_{ne}` is +particle centers (note the i-j ordering so that :math:`\mathbf{F}_{ne}` is positive for repulsion), and :math:`\mathbf{n} = \frac{\mathbf{r}_{ij}}{\|\mathbf{r}_{ij}\|}`. Therefore, for *hooke*, the units of the spring constant :math:`k_n` are *force*\ /\ *distance*, or equivalently *mass*\ /*time\^2*.