ExcludedVolumeWallPotential #

It is a excluded volume potential between particle and a spatial structure.

\[U(r) = \epsilon\left(\frac{r_0}{r}\right)^{12}\]

Example #

[[forcefields.external]]
interaction = "RectangularBox"
box.lower   = [  0.0,   0.0,   0.0]
box.upper   = [100.0, 100.0, 100.0]
box.margin  = 0.4

potential   = "LennardJonesWall"
epsilon     = 0.5
parameters  = [
    {index = 0, radius = 1.0},
    # ...
]

Input Reference #

epsilon: Floating
- It determines the strength of the potential.
radius: Floating
- It determines the effective radius of the particle.