*SURFACE

Data format:

An arbitrary number of lines up to 20 values

ISURF IEL1 .. IELi

Status :

Optional

Purpose :

To define a surface as a group of triangles

Restriction :

IEL1 .. IELi must have been previously defined by the keyword *TRIANGLE

Details :

Parameter	Description
ISURF	identification number of the new group of
elements
IEL1 .. IELi	identification number of the triangles

Note

The normal vectors of neighbour triangles must be consistent.

Short cut -and EOF & characters may be used to enter all elements numbers