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Page 5: SpWeld (Spot Weld)

  • spweld panel
  • Figure 1 - SpWeld Interface

Purpose: This interface is used for showing, creating, modifying, and deleting *CONSTRAINED_SPOTWELD cards in LS-DYNA.

Controls:

  • rbs Show - Show existing *CONSTRAINED_SPOTWELD entities
  • rb Modify - Modifying *CONSTRAINED_SPOTWELD values
  • rb Create - Create new *CONSTRAINED_SPOTWELD entities
  • rb Delete - Delete *CONSTRAINED_SPOTWELD
  • rb CDelete - Check and delete invalid *CONSTRAINED_SPOTWELD

For Show, Modify, Delete, and CDelete, the Entity Operation Interface is displayed in the secondary controls area. For Create, the bottom panel is as shown in Figure 2 below.

  • Label: Set current entity label type

  • WID: Enter spot weld optional ID
  • cbc ShowPara - Show spot weld parameters in entity list
  • cbc N1 - Enter Node ID 1
  • cb N2 - Enter Node ID 2

All
 Select all Constrained Spotweld
None
 Deselect all Constrained Spotweld
Rev
 Reverse selection Constrained Spotweld
Alist
 All selected list Constrained Spotweld
Apply
 Apply create, delete, and modify
Cancel
 Cancel modify
Done
 Exit Constrained Spotweld interface

  • Click item from list to select (1)


Bottom Panel:

  • spweld bottom panel
  • Figure 2 - Create Bottom Panel
  • SN: Normal force at spotweld failure (optional)
  • SS: Shear force at spotweld failure (optional)
  • N: Exponent for normal spotweld force (optional)
  • M: Exponent for shear spotweld force (optional)
  • TF: Failure time for nodal constraint set
  • EP: Effective plastic strain at failure

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© 2012 Livermore Software Technology Corporation