Create a seat belt
1. | From the Menu Bar, select Safety > Belt Generator. |
2. | Enter a name in the Belt field and validate with Ok. |

3. | Click Type and select one of the following: |
• | Shells to create a belt with shell elements. |
• | Multi-strand to create a belt with multi-strands. |
• | Truss to create a belt with truss elements. |
• | Spring_3n to create a belt with a 3-nodes spring element. |
4. | Click Options and select one of the following: |
Node selection
1. | Click for seat belt reference points. |
2. | In the Belt Position defined by Nodes window, click . |
3. | In the graphic window, click a few nodes to define the belt trajectory. For Spring_3n belt type, select only three nodes. |
4. | Click Cancel in the Dialog menu bar to stop the node selection. The node list is updated. |
If necessary, it is possible to move the selected nodes one-by-one:
• | Select a node in the node list. |
• | Click . |
• | Modify the X, Y, and/or Z coordinate(s). |
• | Click Apply to validate the modification, or Cancel to cancel it. |
If necessary, it is possible to move all the selected nodes:
• | Click . |
• | In the dX, dY, and dZ fields, enter the node displacement to apply. |
5. | Click Apply to validate the modification, or Cancel to cancel it. |
6. | Click OK to validate the node selection. |
Part selection
The dummy parts on which the belt will be leaned must be selected. Use one of the following methods:
1. | Click and pick parts of the dummy in the graphic window. When finished, answer the question in the Dialog menu bar with Yes or Cancel. |
• | Click to add the dummy parts selected in the tree. |
• | Click to add parts of the dummy by box selection: |
o | The default box is rectangular. |
o | Use the SHIFT key to define a polygon box. |
• | Click to remove parts of the dummy by box selection: |
o | The default box is rectangular. |
o | Use the SHIFT key to define a polygon box. |
Belt components
• | Gap between the dummy and the belt (Shells and Truss belt types only): |
o | Set the gap value in the Gap field. |
or
o | Click to modify the gap. |
• | Belt width (Shells belt type only): |
o | Set the belt width in the Belt geometrical width field. |
or
o | Click to modify the belt width. |
• | Number of shell elements in the length (Shells and Truss belt types only): |
o | Set the number of shell elements in the Nb elems in length field. |
or
o | Click to modify the number of shell elements. |
• | Number of shell elements in the width (Shells belt type only): |
o | Set the number of shell elements in the Nb elems in width field. |
or
o | Click to modify the number of shell elements. |
• | Transversal direction at the first node: This defines the belt perpendicular direction at the first node (Shells belt type only): |
o | Click the X, Y or Z radio button. |
or
o | Click the first button and, in the graphic window pick a node. Next, click the second button and, in the graphic window pick another node to define the direction. |
or
o | Fill in the two X, Y, and Z fields defining the direction. |
o | Click to display the direction in the graphic window. |
• | Transversal direction at the last node: This defines the belt perpendicular direction at the last node (Shells belt type only): |
o | Click the X, Y or Z radio button. |
or
o | Click the first button and, in the graphic window pick a node. Next, click the second button and, in the graphic window pick another node to define the direction. |
or
o | Fill in the two X, Y, and Z fields defining the direction. |
o | Click to display the direction in the graphic window. |
• | Material (Shells and Truss belt types only): |
o | Click . |
o | In the Material File window, select the desired material (law 2 for Shells type, law 1 for Truss type) and click OK. |
o | The stress vs. strain curve appears on the screen. To confirm, click Yes in the Dialog menu bar. |
o | Click . |
o | In the Property File window, select the desired property and click OK. |
Belt creation
1. | Click See to display the defined belt. |
2. | If necessary, the following can be modified: |
3. | Once the belt is finished, click Save to save it. |
or
Click Cancel to cancel the belt creation.
4. | Click Close to close the menu. |
Modify a seat belt
1. | From the Menu Bar, select Safety > Belt Generator. |
2. | Click Belt list and select a created belt. Follow the same steps as with Belt creation. |
Delete a seat belt
In the tree window, select the seat belt part and delete it as with a normal part. The model and the seat belt menu will be automatically updated.
See also
Dummy Positioner
Seat Deformer