Position a component or subassembly FEM using coordinate systems within an assembly FEM

You can position a component or subassembly FEM within an assembly by doing one of the following:

• Assign an existing coordinate system with the desired position and orientation in space.

• Create and assign a new coordinate system based on the current position of the component or subassembly FEM, and then reposition the coordinate system as needed to control the position and orientation of the component or subassembly FEM.

Note:

To position component and subassembly FEMs using coordinate systems, you must first enable theCaeCore_AfemCsysPositioning early access feature. For more information, see Enable an early access feature.

Position by assigning an existing coordinate system

1. (Optional) If no coordinate system exists with the desired position and orientation in space, you can create one by doing the following:Choose Home tab→Utilities group→Coordinate System .In the CSYS dialog box, specify the coordinate system creation method and define the coordinate system.Click OK.

2. Assign the coordinate system to the component FEM or subassembly FEM:Choose Utilities group→Position Component by CSYS .In the Position Component by CSYS dialog box, in the Component To Position group, select the component or subassembly FEM.In the CSYS Reference group, from the CSYS Reference list, select either Select from Label or Select Existing CSYS as the method for selecting a coordinate system.Select the coordinate system and click OK.When you assign a positioning relationship between a component or subassembly FEM and a coordinate system, the position and orientation of the component or subassembly in the assembly are no longer controlled by existing CAD geometry, but by the coordinate system you assign. Upon assigning the coordinate system, a warning message appears to alert you of this change.Click OK to close the warning message.

Position by creating and assigning a new coordinate system for a single component

1. Choose Home tab→Utilities group→Position Component by CSYS .

2. In the Position Component by CSYS dialog box, in the Component To Position group, select the component or subassembly FEM.

3. In the CSYS Reference group, from the CSYS Reference list, select Create from Component.

4. Click OK.When you assign a positioning relationship between a component or subassembly FEM and a coordinate system, the position and orientation of the component or subassembly in the assembly are no longer controlled by existing CAD geometry, but by the coordinate system you assign. Upon assigning the coordinate system, a warning message appears to alert you of this change.

5. Click OK to close the warning message.

6. To position the component or subassembly FEM:In the Simulation Navigator, right-click the assigned coordinate system and choose Edit.In the CSYS dialog box, reposition the coordinate system as needed and click OK.

Position by creating and assigning a new coordinate system for multiple components

1. Choose Home tab→Utilities group→Manage Component Positioning CSYS.

2. In the Manage Component Positioning CSYS dialog box, from the Bulk Edit Options list, select Assign Positioning CSYS to Component .

3. (Optional) In the CSYS Label group, select the Start Label check box and enter an integer in the text box.

4. In the Component Selection group, specify which component or subassembly FEMs are assigned coordinate systems.

5. Click OK.When you assign a positioning relationship between a component or subassembly FEM and a coordinate system, the position and orientation of the component or subassembly in the assembly are no longer controlled by existing CAD geometry, but by the coordinate system you assign. Upon assigning the coordinate system, a warning message appears to alert you of this change.

6. Close the Information window.

7. To position each component or subassembly FEM:In the Simulation Navigator, right-click the assigned coordinate system and choose Edit.In the CSYS dialog box, reposition the coordinate system as needed and click OK.

How do I

Add an existing FEM to an assembly FEM

Add a new FEM to an assembly FEM

Add a new FEM component from an FRF set to an assembly FEM

Add a new FEM component from a Mode Set to an assembly FEM

Replace component FEMs

Manage component FEM loading

Override component FEM properties

Learn more

Non-associative workflow

Positioning component and subassembly FEMs within an assembly FEM

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Position a component or subassembly FEM using coordinate systems within an assembly FEM, Simcenter 3D 2021.1 Series

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