Abaqus Keywords Reference Guide  
How to find keyword examples

*SURFACE FLAW
Define geometry of surface flaws.

This option is used with line spring elements to define the geometry of the part-through crack of the shell.

Product: Abaqus/Standard  

Type: Model data

Level: Part,  Part instance  

Reference:

Required parameter:

SIDE

Set SIDE=POSITIVE or SIDE=NEGATIVE to indicate which surface is cracked.

Optional parameter:

INPUT

Set this parameter equal to the name of the alternate input file containing the data lines for this option. See “Input syntax rules,” Section 1.2.1 of the Abaqus Analysis User's Guide, for the syntax of such file names. If this parameter is omitted, it is assumed that the data follow the keyword line.

Data lines to define the flaw: 

First line:

  1. Node number or node set label. This node or node set can be at either side of the crack for element LS6.

  2. Crack depth at this location.

Repeat this data line as often as necessary to define the crack depth at all nodal locations along the crack.