Block Format Keyword

/GRNOD/SURF - Node Groups (Surface)

Describes the node surface groups which belong to given surfaces.

Enter selected item numbers (any number may be input, 10 per Line)

Field	Contents
grnd_ID	Node group identifier (Integer, maximum 10 digits)
unit_ID	Optional unit identifier (Integer, maximum 10 digits)
grnd_title	Node group title (Character, maximum 100 characters)
item_ID1, item_ID2,..., item_IDn	List of surface identifiers (Integer)

1.	Node groups are used to define slave nodes of rigid walls, interfaces, rigid bodies or nodes to which a load is applied, like a concentrated load or a fixed velocity.

2.	If item_ID is a negative number, the item number is deleted from the group.

3.	Nodes are stored in this order. For all other input types, nodes are sorted.

/GRNOD/SURF