Surface Variables

You can request surface variable output to the output database file.

This page discusses:

The output variables listed below are available in Abaqus/Explicit.

Mechanical Analysis–Nodal Quantities

CFORCE
.fil: no  .odb Field: yes  .odb History: no  

Contact normal force (CNORMF) and frictional shear force (CSHEARF).

CDISP
.fil: no  .odb Field: yes  .odb History: no  

Contact opening (COPEN) and accumulated tangential motions (CSLIP1, CSLIP2, and CSLIPEQ) for general contact analyses.

CEDGEACTIVE
.fil: no  .odb Field: yes  .odb History: no  

Status of contact edges for general contact analyses (active as primary, active as secondary and deactive).

CFRICWORK
.fil: no   .odb Field: yes   .odb History: no  

Contact frictional work for general contact analyses.

CNAREA
.fil: no   .odb Field: yes   .odb History: no  

Contact nodal area for each node with active contact forces in general contact, based on area contributions from adjacent surface facets projected to a plane perpendicular to the current nodal contact normal force vector.

CORIENT
.fil: no  .odb Field: yes  .odb History: no  

Surface tangent directions (CORIENT1 and CORIENT2) for general contact analyses.

CSLIPR
.fil: no  .odb Field: yes  .odb History: no  

Instantaneous contact slip rates (CSLIPR1, CSLIPR2, and CSLIPRMAG) for general contact analyses.

CSTATUS
.fil: no  .odb Field: yes  .odb History: no  

Contact status for general contact analyses.

CSTRESS
.fil: no  .odb Field: yes  .odb History: no  

Contact pressure (CPRESS) and magnitude of the frictional shear stress (CSHEARMAG) for general contact analyses.

Contact pressure (CPRESS) and frictional shear stresses (CSHEAR1 and CSHEAR2) for contact pair analyses.

CTANDIR
.fil: no  .odb Field: yes  .odb History: no  

Instantaneous contact tangent directions (CTANDIR1 and CTANDIR2) for general contact analyses.

CTHICK
.fil: no  .odb Field: yes  .odb History: no  

Contact thickness for general contact analyses.

CSMAXSCRT
.fil: no  .odb Field: yes  .odb History: no  

Maximum value of the maximum stress-based damage initiation criterion for cohesive surfaces in general contact up to the current increment.

CSQUADSCRT
.fil: no  .odb Field: yes  .odb History: no  

Maximum value of the quadratic stress-based damage initiation criterion for cohesive surfaces in general contact up to the current increment.

CSMAXUCRT
.fil: no  .odb Field: yes  .odb History: no  

Maximum value of the maximum separation-based damage initiation criterion for cohesive surfaces in general contact up to the current increment.

CSQUADUCRT
.fil: no  .odb Field: yes  .odb History: no  

Maximum value of the quadratic separation-based damage initiation criterion for cohesive surfaces in general contact up to the current increment.

CSDMG
.fil: no  .odb Field: yes  .odb History: no  

Damage variable for cohesive surfaces in general contact.

FSLIP
.fil: no  .odb Field: yes  .odb History: no  

Length of contact slip path at secondary nodes during contact (FSLIPEQ) and in some cases (see About Contact Pairs in Abaqus/Explicit) components of net contact slip in local tangent directions (FSLIP1 and FSLIP2). These variables remain constant while a secondary node is not in contact.

FSLIPR
.fil: no  .odb Field: yes  .odb History: no  

Magnitude of contact slip rate at secondary nodes during contact (FSLIPR) and in some cases (see About Contact Pairs in Abaqus/Explicit) components of contact slip rate in local tangent directions (FSLIPR1 and FSLIPR2). These variables are set to zero while a secondary node is not in contact.

BONDSTAT
.fil: no  .odb Field: no  .odb History: yes  

Spot weld bond status.

BONDLOAD
.fil: no  .odb Field: no  .odb History: yes  

Spot weld bond load.

CFORCEC
.fil: no  .odb Field: yes  .odb History: no  

Consistent contact normal force (CNORMFC) and frictional shear force (CSHEARFC) in general contact with active C3D10 elements.

Crack Bond Failure Quantities

DBT
.fil: no  .odb Field: yes  .odb History: no  

Time when bond failure occurs.

DBS
.fil: no  .odb Field: yes  .odb History: no  

All components of remaining stress in the failed bond.

DBSF
.fil: no  .odb Field: yes  .odb History: no  

Fraction of stress that remains at bond failure.

BDSTAT
.fil: no  .odb Field: yes  .odb History: no  

Bond state (the state is 1.0 if bonded, 0.0 if unbonded).

OPENBC
.fil: no  .odb Field: yes  .odb History: no  

Relative displacement behind crack when fracture criterion is met.

CRSTS
.fil: no  .odb Field: yes  .odb History: no  

All components of critical stress at failure.

ENRRT
.fil: no  .odb Field: yes  .odb History: no  

All components of strain energy release rate.

EFENRRTR
.fil: no  .odb Field: yes  .odb History: no  

Effective energy release rate ratio.

Mechanical Analysis–Whole Surface Quantities

CFN
.fil: no  .odb Field: no  .odb History: yes  

Total force due to contact pressure (CFNn, n = 1, 2, 3).

CFNM
.fil: no  .odb Field: no  .odb History: yes  

Magnitude of total force due to contact pressure.

CFS
.fil: no  .odb Field: no  .odb History: yes  

Total force due to frictional stress (CFSn, n = 1, 2, 3).

CFSM
.fil: no  .odb Field: no  .odb History: yes  

Magnitude of total force due to frictional stress.

CFT
.fil: no  .odb Field: no  .odb History: yes  

Total force due to contact pressure and frictional stress (CFTn, n = 1, 2, 3).

CFTM
.fil: no  .odb Field: no  .odb History: yes  

Magnitude of total force due to contact pressure and frictional stress.

CMN
.fil: no  .odb Field: no  .odb History: yes  

Total moment about the origin due to contact pressure (CMNn, n = 1, 2, 3).

CMNM
.fil: no  .odb Field: no  .odb History: yes  

Magnitude of total moment about the origin due to contact pressure.

CMS
.fil: no  .odb Field: no  .odb History: yes  

Total moment about the origin due to frictional stress (CMSn, n = 1, 2, 3).

CMSM
.fil: no  .odb Field: no  .odb History: yes  

Magnitude of total moment about the origin due to frictional stress.

CMT
.fil: no  .odb Field: no  .odb History: yes  

Total moment about the origin due to contact pressure and frictional stress (CMTn, n = 1, 2, 3).

CMTM
.fil: no  .odb Field: no  .odb History: yes  

Magnitude of total moment about the origin due to contact pressure and frictional stress.

CAREA
.fil: no  .odb Field: no  .odb History: yes  

Total area in contact.

XN
.fil: no  .odb Field: no  .odb History: yes  

Center of the total force due to contact pressure (XNn, n = 1, 2, 3).

XS
.fil: no  .odb Field: no  .odb History: yes  

Center of the total force due to frictional stress (XSn, n = 1, 2, 3).

XT
.fil: no  .odb Field: no  .odb History: yes  

Center of the total force due to contact pressure and frictional stress (XTn, n = 1, 2, 3).

Fully Coupled Temperature-Displacement Analysis

HFL
.fil: no  .odb Field: yes  .odb History: no  

Heat flux per unit area leaving the surface.

HFLA
.fil: no  .odb Field: yes  .odb History: no  

HFL multiplied by the nodal area.

HTL
.fil: no  .odb Field: yes  .odb History: no  

Time integrated HFL.

HTLA
.fil: no  .odb Field: yes  .odb History: no  

HTL multiplied by the nodal area.

SFDR
.fil: no  .odb Field: yes  .odb History: no  

Heat flux per unit area due to frictional dissipation.

SFDRA
.fil: no  .odb Field: yes  .odb History: no  

SFDR multiplied by the nodal area.

SFDRT
.fil: no  .odb Field: yes  .odb History: no  

Time integrated SFDR.

SFDRTA
.fil: no  .odb Field: yes  .odb History: no  

SFDRT multiplied by the nodal area.