To modify or delete an interface

1.	From the Menu Bar, select Contact Interface > Create / Modify.

Button	Behavior
	select all the contact interfaces.
	pick the arrow for the contact interface in graphic window to select it. When finished, answer the question in the Dialog menu bar with Yes or Cancel.
	select contact interfaces by box (use the SHIFT key to use a polygon box).
	pick parts in the graphic window to select all the contact interfaces applied to those parts. When finished, answer the question in the Dialog menu bar with Yes or Cancel.
	select parts by box (use the SHIFT key to use a polygon box) to select all contact interfaces applied to those parts.
	to get external surfaces of solid part(s).
	Click the contact interface line in the listing window to select it. Several contact interfaces of this list can be selected using the SHIFT, CTRL, or SHIFT+CTRL keys.

2.	Select only one contact interface and click for the option to do any of the following:

•	Change the group's definition (See Group selection).

•	Modify the interface properties (see Properties).

o	Use the pop-up function (right button on the mouse in the interface list window).

o	Check penetrations for the selected interfaces (intersection and penetration).

o	Set the selected interface in the time history file.

3.	Click to delete the selected interface.

4.	Answer the question in the pop-up dialog window with Yes or Cancel.

5.	Click Save to save the modified interface.

Click Save + Sym. to save the interface and automatically create its symmetric: the slave side becomes the master, and the master side becomes the slave (not available for a Self-Impact interface).

Click Cancel to cancel the contact interface modification.

6.	Click Close to close the menu.

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Contact Interface