# Boundary conditions

> [HTML Version](boundary_conditions.html)

Boundary conditions can be defined line by line. The following selections are available:

- Radial fixed: All nodes for this surface are fixed radially.

- Axial fixed: All nodes for this surface are fixed axially.

- Radial and axial fixed: All nodes for this surface are fixed radially and axially.

- Bolted joint: The head of the bolts is on this plane.

- Radial bearing: A radial bearing is connected to this plane .

- Axial bearing: An axial bearing is connected to this plane. This input is used for axial positioning.

- Cross roller bearing: A cross roller bearing is connected to this surface.

- Surface load: A load is applied to this surface.

- Contact: A contact to a second part or to the rigid environment is considered.