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/FAIL/XFEM_FLD (Obsolete)

/FAIL/XFEM_FLD (Obsolete)

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/FAIL/XFEM_FLD (Obsolete)

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Block Format Keyword

/FAIL/XFEM_FLD - Failure Model for XFEM Crack Initialization and propagation (Forming Limit Diagram based)

Description

Describes a XFEM (eXtended Finite Element Method) failure model.

Format

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/FAIL/XFEM_FLD/mat_ID/unit_ID

fct_ID

Ifail_sh

 

 

 

 

 

 

 

 

Optional line:

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(2)

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fail_ID

 

 

 

 

 
hmtoggle_plus1Flag Definition

Field

Contents

SI Unit Example

mat_ID

Material identifier

(Integer, maximum 10 digits)

 

unit_ID

Optional unit identifier

(Integer, maximum 10 digits)

 

fct_ID

Function identifier

(Integer)

 

Ifail_sh

Shell failure flag

(Integer)

= 1: Shell is cracked (not deleted), if there is one layer in failure zone.

= 2: The layer tensor stress is set to zero if this layer is in the failure zone, and shell is cracked (not deleted), if all layers are in the failure zone.

 

fail_ID

(Optional) Failure criteria identifier (see Comment 2)

(Integer, maximum 10 digits)

 
hmtoggle_plus1Comments
1.This failure model is available for Shell only.

fail_fld

2.The fail_ID is used with /STATE/BRICK/FAIL and /INIBRI/FAIL. There is no default value. If the line is blank, no value will be output for failure model variables in the /INIBRI/FAIL (written in .sta file with /STATE/BRICK/FAIL option).