# Step 1: Gravitational Body Forces

This example involves a static simulation that solves for the deformation from loading by gravitational body forces.
{numref}`fig:example:troubleshooting:2d:step01:diagram` shows the boundary conditions on the domain.
The parameters specific to this example are in `step01_gravity.cfg`.

:::{figure-md} fig:example:troubleshooting:2d:step01:diagram
<img src="figs/step01-diagram.*" alt="" scale="75%">

We apply roller boundary conditions on the lateral sides and bottom of the domain.
:::

See [examples/reverse-2d Step 1](../reverse-2d/step01-gravity.md) for more information.