# Displacement Constraints

Displacement constraints can be applied to a model to limit deflections in desired locations and directions.

You can choose to limit displacement in one direction or in all directions, as shown in the images below. A displacement constraint in one direction can have an upper bound, lower bound, or both.

## Apply a Displacement Constraint in All Directions

- Displacement constraints should only be applied to non-design spaces.
- While they can be used as the sole constraint for an optimization, we recommend using displacement constraints alongside a stress constraint.
- Use the right-click context menu to include or exclude a displacement constraint from a load case.

## Apply a Displacement Constraint in a Single Direction

- Displacement constraints should only be applied to non-design spaces.
- While they can be used as the sole constraint for an optimization, we recommend using displacement constraints alongside a stress constraint.
- Use the right-click context menu to include or exclude a displacement constraint from a load case.

## Microdialog Options

Double-click on a displacement constraint to enter editing mode, which opens a microdialog.

Apply the displacement constraint in one direction or all directions. | |

Enter a magnitude or upper and/or lower bound for the displacement constraint. When applying in one direction, use the check boxes to define whether to use a lower and/or upper bound. | |

Connect a displacement constraint placed at a distance to the model using connectors. | |

Translate or rotate the displacement constraint using the Move tool. | |

Align the displacement constraint to an axis or normal to the face. | |

Click to orient the displacement constraint by entering component vectors for x, y, and z. (For example, entering 1, 0, 0 would orient it in the positive x direction.) |

## FAQs: Displacement Constraints

Find answers to frequently asked questions about displacement constraints.

### Why Are My Results Disconnected?

When you use displacement constraints, it is important to either apply them near all of the major loads or to use both stress constraints and displacement constraints together.