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Required parameter, Optional parameter, Data lines to define the flaw – ABAQUS Volume II: I–Z User Manual

Page 517

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*SURFACE FLAW

18.48

*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:

“Line spring elements for modeling part-through cracks in shells,” Section 26.10.1 of the
ABAQUS Analysis User’s Manual

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 Manual, 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.

18.48–1

ABAQUS Version 6.1

Module: ID:

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