GuiCommand:Container| {{GuiCommand Name: FEM ConstraintPlaneRotation MenuLocation: Model , Geometrical analysis features , Plane multi-point constraint Workbenches: FEM_Workbench SeeAlso: FEM_ConstraintTransform }} {{GuiCommandFemInfo Solvers: CalculiX }}

FEM ConstraintPlaneRotation

Description

Creates a FEM multi-point constraint (MPC) for keeping the nodes on a planar surface on the same plane.

Usage

1. There are several ways to invoke the command:
   • Press the Plane multi-point constraint button.
   • Select the Model → Geometrical analysis features → Plane multi-point constraint option from the menu.
2. In the 3D view select the object to which the multi-point constraint should be applied, which can only be a single face.
3. Press the Add button.

Limitations

1. Plane multi-point constraint can only be applied to a single planar face.
2. When a plane multi-point constraint is applied to the same face as a displacement/fixed boundary condition, the displacement/fixed boundary condition takes precedence.

Notes

1. This constraint uses the *MPC card in CalculiX.

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This page is retrieved from https://github.com/FreeCAD/FreeCAD-documentation/blob/main/wiki/FEM_ConstraintPlaneRotation.md