Element Integration Point Variables

S

Field: yes  History: yes  .fil: yes  

All stress components.

MISESMAX

Field: yes  History: no  .fil: no  

Maximum Mises stress among all the section points. For a shell element, it represents the maximum Mises value among all the section points in the layer, for a beam or pipe element it is the maximum Mises stress among all the section points in the cross-section, and for a solid element it represents the Mises stress at the integration points.

Sij

Field: no  History: yes  .fil: no  

$ij$ -component of stress ( $i\le j\le 3$ ).

SP

Field: yes  History: yes  .fil: yes  

All principal stress components.

SPn

Field: no  History: yes  .fil: no  

Minimum, intermediate, and maximum principal stress components (SP1 $\le$ SP2 $\le$ SP3).

E

Field: yes  History: yes  .fil: yes  

All infinitesimal strain components for geometrically linear analysis.

Eij

Field: no  History: yes  .fil: no  

$ij$ -component of infinitesimal strain ( $i\le j\le 3$ ).

LE

Field: yes  History: yes  .fil: yes  

All logarithmic strain components.

LEij

Field: no  History: yes  .fil: no  

$ij$ -component of logarithmic strain ( $i\le j\le 3$ ).

LEP

Field: yes  History: yes  .fil: yes  

All principal logarithmic strain components.

LEPn

Field: no  History: yes  .fil: no  

Minimum, intermediate, and maximum principal logarithmic strain components (LEP1 $\le$ LEP2 $\le$ LEP3).

THE

Field: yes  History: yes  .fil: yes  

All thermal strain components.

THEij

Field: no  History: yes  .fil: no  

$ij$ -component of thermal strain ( $i\le j\le 3$ ).

THEP

Field: yes  History: yes  .fil: yes  

All principal thermal strains.

THEPn

Field: no  History: yes  .fil: no  

Minimum, intermediate, and maximum principal thermal strains (THEP1 $\le$ THEP2 $\le$ THEP3).

ER

Field: yes  History: yes  .fil: yes  

All logarithmic strain rate components.

ERij

Field: no  History: yes  .fil: no  

$ij$ -component of logarithmic strain rate( $i\le j\le 3$ ).

ERP

Field: yes  History: yes  .fil: yes  

All principal logarithmic strain rate components.

ERPn

Field: no  History: yes  .fil: no  

Minimum, intermediate, and maximum principal strain rate components (ERP1 $\le$ ERP2 $\le$ ERP3).

NE

Field: yes  History: yes  .fil: yes  

All nominal strain components.

NEij

Field: no  History: yes  .fil: no  

$ij$ -component of nominal strain ( $i\le j\le 3$ ).

NEP

Field: yes  History: yes  .fil: yes  

All principal nominal strain components.

NEPn

Field: no  History: yes  .fil: no  

Minimum, intermediate, and maximum principal nominal strain components (NEP1 $\le$ NEP2 $\le$ NEP3).

PE

Field: yes  History: yes  .fil: yes  

All plastic strain components.

PEij

Field: no  History: yes  .fil: no  

$ij$ -component of plastic strain ( $i\le j\le 3$ ).

PEP

Field: yes  History: yes  .fil: no  

All principal plastic strains.

PEPn

Field: no  History: yes  .fil: no  

Minimum, intermediate, and maximum principal plastic strains.

CE

Field: yes  History: yes  .fil: no  

All creep strain components.

CEij

Field: no  History: yes  .fil: no  

$ij$ -component of creep strain ( $i\le j\le 3$ ).

ERV

Field: yes  History: yes  .fil: yes  

Volumetric strain rate.

MISES

Field: yes  History: yes  .fil: yes  

Mises equivalent stress, defined as $q=\sqrt{\frac{3}{2}\mathbf{S}:\mathbf{S}}$ , where $\mathbf{S}$ is the deviatoric stress tensor, defined as $\mathbf{S}=\mathit{\sigma }+p\mathbf{I}$ , where $\mathit{\sigma }$ is the stress and $p=-\frac{1}{3}\mathrm{trace}\left(\mathit{\sigma }\right)$ is the equivalent pressure stress.

PRESS

Field: yes  History: yes  .fil: yes  

Equivalent pressure stress, $p=$ $-\frac{1}{3}\mathrm{trace}\left(\mathit{\sigma }\right)$ .

TRIAX

Field: yes  History: yes  .fil: no  

Stress triaxiality, $\eta =-p/q$ .

YIELDS

Field: yes  History: yes  .fil: no  

Yield stress, ${\sigma }^0$ , available for Mises, Tresca, Hosford, Johnson-Cook, Hill, Barlat, and extended Drucker-Prager plasticity material models.

YIELDCRT

Field: yes  History: yes  .fil: no  

Yield criterion, available for extended Drucker-Prager plasticity material models.

YIELDPOT

Field: yes  History: yes  .fil: no  

Yield potential, $f\left(\sigma \right)$ , available for Tresca, Hosford, Hill, and Barlat plasticity material models.

MASSADJUST

Field: yes  History: no  .fil: no  

Adjusted or redistributed mass in each element that is included in the element sets used with mass adjustment. This output is available only in the first output frame of the first analysis step.

ALPHA

Field: yes  History: yes  .fil: yes  

All total kinematic hardening shift tensor components.

ALPHAij

Field: no  History: yes  .fil: no  

$ij$ -component of the total shift tensor ( $i\le j\le 3$ ).

ALPHAP

Field: yes  History: yes  .fil: yes  

All principal values of the total shift tensor.

ALPHAPn

Field: no  History: yes  .fil: no  

Minimum, intermediate, and maximum principal values of the total shift tensor (ALPHAP1 $\le$ ALPHAP2 $\le$ ALPHAP3).

SNETk

Field: yes  History: yes  .fil: no  

All stress components in the $k^{th}$ network ( $0\le k\le 10$ ). Available only for the parallel rheological framework.

SNETk_ij

Field: no  History: yes  .fil: no  

$ij$ -component of stress in the $k^{th}$ network ( $i\le j\le 3$ and $0\le k\le 10$ ). Available only for the parallel rheological framework.

PEEQ

Field: yes  History: yes  .fil: yes  

Equivalent plastic strain.

For porous metal plasticity PEEQ is the equivalent plastic strain in the matrix material defined as $\int \frac{\mathit{\sigma }:d{\mathit{\epsilon }}^{pl}}{\left(1-f\right){\sigma }_y}$ .

For cap plasticity PEEQ gives $p_b$ (the cap position).

For crushable foam plasticity with volumetric hardening PEEQ gives the volumetric compacting plastic strain defined as $-{\epsilon }_{\mathrm{vol}}^{pl}$ .

For crushable foam plasticity with isotropic hardening PEEQ gives the equivalent plastic strain defined as $\int \frac{\mathit{\sigma }:d{\mathit{\epsilon }}^{pl}}{{\sigma }_c}$ , where ${\sigma }_c$ is the uniaxial compression yield stress.

PEEQT

Field: yes  History: yes  .fil: no  

Equivalent plastic strain in uniaxial tension for cast iron, Mohr-Coulomb tension cutoff, and concrete damaged plasticity, which is defined as $\int {\dot{\overline{\epsilon }}}_t^{pl}dt$ .

PEEQR

Field: yes  History: yes  .fil: no  

Equivalent plastic strain rate. Available only for rate-dependent viscoplastic models.

PEEQMAX

Field: yes  History: no  .fil: no  

Maximum equivalent plastic strain, PEEQ, among all of the section points. For a shell element it represents the maximum PEEQ value among all the section points in the layer, for a beam or a pipe element it is the maximum PEEQ among all the section points in the cross-section, and for a solid element it represents the PEEQ at the integration points.

CEEQ

Field: yes  History: yes  .fil: no  

Equivalent creep strain.

DMICRTMAX

Field: yes  History: no  .fil: no  

Maximum damage initiation criteria value among all section points, all damage initiation criteria, and all time increments up to the current time.

This output variable generates three output quantities as follows:

DMICRTMAXVAL outputs the maximum damage initiation value.

DMICRTPOS outputs the section point in the layer in which the maximum damage initiation value occurred. For solid elements, the output value is one.

DMICRTTYPE outputs a value that represents the damage initiation criteria type that reached the maximum value in the element as follows:

For elements that have failure with progressive damage: 1-DUCTCRT, 2-SHRCRT, 3-JCCRT, 4-FLDCRT, 5-MSFLDCRT, 6-FLSDCRT, and 7-MKCRT.

For elements that have fiber-reinforced material damage: 11-HSNFTCRT, 12-HSNFCCRT, 13-HSNMTCRT, and 14-HSNMCCRT.

For cohesive elements with traction-separation behavior: 21-MAXSCRT, 22-MAXECRT, 23-QUADSCRT, and 24-QUADECRT.

STATUSMP

Field: yes  History: no  .fil: no  

Status of each material point in the element (1.0 if the material point is active, 0.0 if it is not active).

LODE

Field: yes  History: yes  .fil: no  

Lode angle term, $\xi =\cos \left(3\mathrm{\Theta }\right)$ , where $\mathrm{\Theta }$ is the Lode angle.

ORITENS

Field: yes  History: no  .fil: no  

All orientation tensor components. Available only for elements with multiscale material or linear orthotropic elastic material with fiber dispersion and only if the orientation tensor is specified with a distribution (Distribution Definition). Only written to the output database (.odb) file for the original field output frame at zero time.

COORD

Field: yes  History: yes  .fil: no  

Coordinates of the integration point. These are the current coordinates if the large-displacement formulation is being used.

IVOL

Field: yes  History: yes  .fil: no  

Integration point volume. (Available only for continuum elements.)

LOCALDIRn

Field: automatic  History: no  .fil: no  

Direction cosines of the local material directions for an anisotropic hyperelastic material model, or yarn direction cosines for a fabric material model. This variable is output automatically if any other element field output is requested for anisotropic hyperelastic or fabric material (see Output and Output).

TSHR

Field: yes  History: yes  .fil: yes  

All transverse shear stress components for three-dimensional conventional shell elements.

TSHR13

Field: no  History: yes  .fil: no  

$13$-component of transverse shear stress.

TSHR23

Field: no  History: yes  .fil: no  

$23$-component of transverse shear stress.

ENER

Field: yes  History: yes  .fil: yes  

All energy densities.

SENER

Field: yes  History: yes  .fil: no  

Elastic strain energy density, per unit volume.

PENER

Field: yes  History: yes  .fil: no  

Energy dissipated by rate-independent and rate-dependent plasticity, per unit volume. For superelastic materials, this variable also includes recoverable phase-transformation energy.

CENER

Field: yes  History: yes  .fil: no  

Energy dissipated by viscoelasticity, per unit volume. (Not supported for hyperelastic and hyperfoam material models with linear viscoelasticity.)

VENER

Field: yes  History: yes  .fil: no  

Energy dissipated by viscous effects, per unit volume.

DMENER

Field: yes  History: yes  .fil: no  

Energy dissipated by damage, per unit volume.

SDV

Field: yes  History: yes  .fil: yes  

Solution-dependent state variables.

SDVn

Field: yes  History: yes  .fil: no  

Solution-dependent state variable n.

TEMP

Field: yes  History: yes  .fil: yes  

Temperature.

DENSITY

Field: yes  History: yes  .fil: no  

Material density.

FV

Field: yes  History: yes  .fil: no  

Field variables.

FVn

Field: no  History: yes  .fil: no  

Field variable n.

CFAILURE

Field: yes  History: no  .fil: no  

All failure measure components.

MSTRS

Field: no  History: no  .fil: no  

Maximum stress theory failure measure.

TSAIH

Field: no  History: no  .fil: no  

Tsai-Hill theory failure measure.

TSAIW

Field: no  History: no  .fil: no  

Tsai-Wu theory failure measure.

AZZIT

Field: no  History: no  .fil: no  

Azzi-Tsai-Hill theory failure measure.

MSTRN

Field: no  History: no  .fil: no  

Maximum strain theory failure measure.

PEQC

Field: yes  History: yes  .fil: yes  

All equivalent plastic strains, when the model has more than one yield/failure surface.

PEQCn

Field: no  History: yes  .fil: no  

nth equivalent plastic strain ($n=1,2,3,4$).

For cap plasticity: PEQC provides equivalent plastic strains for all three possible yield/failure surfaces (Drucker-Prager failure surface - PEQC1, cap surface - PEQC2, and transition surface - PEQC3) and the total volumetric plastic strain (PEQC4). All identifiers also provide a yes/no flag (1/0 in the output database), telling whether the yield surface is currently active or not (AC YIELD: “actively yielding”).

When PEQC is requested as output to the output database, the active yield flags for each component are named AC YIELD1, AC YIELD2, etc.

RD

Field: yes  History: yes  .fil: yes  

Relative density (cap plasticity).

VVF

Field: yes  History: yes  .fil: yes  

Void volume fraction (cap plasticity).

RD

Field: yes  History: yes  .fil: yes  

Relative density (porous metal plasticity).

VVF

Field: yes  History: yes  .fil: yes  

Void volume fraction (porous metal plasticity).

VVFG

Field: yes  History: yes  .fil: yes  

Void volume fraction due to growth (porous metal plasticity).

VVFN

Field: yes  History: yes  .fil: yes  

Void volume fraction due to nucleation (porous metal plasticity).

DAMAGEC

Field: yes  History: yes  .fil: no  

Compressive damage variable, $d_c$.

DAMAGET

Field: yes  History: yes  .fil: no  

Tensile damage variable, $d_t$.

SDEG

Field: yes  History: yes  .fil: no  

Scalar stiffness degradation variable, d.

PEEQ

Field: yes  History: yes  .fil: no  

Equivalent plastic strain in uniaxial compression, which is defined as $\int {\dot{\overline{\epsilon }}}_c^{pl}dt$.

PEEQR

Field: yes  History: yes  .fil: no  

Equivalent plastic strain rate.

TE

Field: yes  History: yes  .fil: no  

Transformation strain tensor.

TEij

Field: no  History: yes  .fil: no  

$ij$-component of transformation strain ($i\le j\le 3$).

TEEQ

Field: yes  History: yes  .fil: no  

Equivalent transformation strain.

TEVOL

Field: yes  History: yes  .fil: no  

Volumetric transformation strain.

MVF

Field: yes  History: yes  .fil: no  

Fraction of martensite.

SEQUT

Field: yes  History: yes  .fil: no  

Equivalent uniaxial tensile stress.

EEQUT

Field: yes  History: yes  .fil: no  

Equivalent uniaxial tensile total strain.

EE

Field: yes  History: yes  .fil: no  

Elastic strain tensor.

EEij

Field: yes  History: yes  .fil: no  

$ij$ -component of elastic strain ( $i\le j\le 3$ ).

CKE

Field: yes  History: no  .fil: yes  

All cracking strain components.

CKEij

Field: no  History: no  .fil: no  

$ij$-component of cracking strain.

CKLE

Field: yes  History: no  .fil: yes  

All cracking strain components in local crack axes.

CKLEij

Field: no  History: no  .fil: no  

$ij$-component of cracking strain in local crack axes.

CKEMAG

Field: yes  History: no  .fil: yes  

Cracking strain magnitude, defined as $\sqrt{{\left(e_{nn}^{ck}\right)}^2+{\left(e_{tt}^{ck}\right)}^2+{\left(e_{ss}^{ck}\right)}^2}$.

CKLS

Field: yes  History: no  .fil: yes  

All stress components in local crack axes.

CKLSij

Field: no  History: no  .fil: no  

$ij$-component of stress in local crack axes.

CRACK

Field: no  History: no  .fil: yes  

Crack orientations.

CKSTAT

Field: yes  History: no  .fil: yes  

Crack status of each crack. CKSTAT can have the following values for each crack: 0.0=uncracked, 1.0=closed crack, 2.0=actively cracking, 3.0=crack closing/reopening.

DMICRT

Field: yes  History: yes  .fil: no  

All active components of the damage initiation criteria.

DUCTCRT

Field: no  History: yes  .fil: no  

Ductile damage initiation criterion.

JCCRT

Field: no  History: yes  .fil: no  

Johnson-Cook damage initiation criterion.

HCCRT

Field: no  History: yes  .fil: no  

Hosford-Coulomb damage initiation criterion.

SHRCRT

Field: no  History: yes  .fil: no  

Shear damage initiation criterion.

FLDCRT

Field: no  History: yes  .fil: no  

Forming limit diagram (FLD) damage initiation criterion.

FLSDCRT

Field: no  History: yes  .fil: no  

Forming limit stress diagram (FLSD) damage initiation criterion.

MSFLDCRT

Field: no  History: yes  .fil: no  

Müschenborn-Sonne forming limit stress diagram (MSFLD) damage initiation criterion.

MKCRT

Field: no  History: yes  .fil: no  

Marciniak-Kuczynski (M-K) damage initiation criterion.

SDEG

Field: yes  History: yes  .fil: no  

Overall scalar stiffness degradation.

ERPRATIO

Field: yes  History: yes  .fil: no  

Ratio of principal strain rates, $\alpha$, used for the MSFLD damage initiation criterion.

SHRRATIO

Field: yes  History: yes  .fil: no  

Shear stress ratio, ${\theta }_s=\left(q+k_{s}p\right)/{\tau }_{\max }$, used for the shear damage initiation criterion.

DMICRT

Field: yes  History: yes  .fil: no  

All active components of the damage initiation criteria.

HSNFTCRT

Field: no  History: yes  .fil: no  

Hashin's fiber tensile damage initiation criterion.

HSNFCCRT

Field: no  History: yes  .fil: no  

Hashin's fiber compressive damage initiation criterion.

HSNMTCRT

Field: no  History: yes  .fil: no  

Hashin's matrix tensile damage initiation criterion.

HSNMCCRT

Field: no  History: yes  .fil: no  

Hashin's matrix compressive damage initiation criterion.

PLF1TCRT

Field: no  History: yes  .fil: no  

Fiber tensile damage initiation criterion in the local 1-direction for the ply fabric model.

PLF1CCRT

Field: no  History: yes  .fil: no  

Fiber compressive damage initiation criterion in the local 1-direction for the ply fabric model.

PLF2TCRT

Field: no  History: yes  .fil: no  

Fiber tensile damage initiation criterion in the local 2-direction for the ply fabric model.

PLF2CCRT

Field: no  History: yes  .fil: no  

Fiber compressive damage initiation criterion in the local 2-direction for the ply fabric model.

PLSHRCRT

Field: no  History: yes  .fil: no  

Matrix shear damage initiation criterion for the ply fabric model.

DAMAGEFT

Field: yes  History: yes  .fil: no  

Fiber tensile damage variable for the Hashin model.

DAMAGEFC

Field: yes  History: yes  .fil: no  

Fiber compressive damage variable for the Hashin model.

DAMAGEMT

Field: yes  History: yes  .fil: no  

Matrix tensile damage variable for the Hashin model.

DAMAGEMC

Field: yes  History: yes  .fil: no  

Matrix compressive damage variable for the Hashin model.

DAMAGESHR

Field: yes  History: yes  .fil: no  

Shear damage variable for the Hashin model and for the ply fabric model.

DAMAGEF1T

Field: yes  History: yes  .fil: no  

Fiber tensile damage variable in the local 1-direction for the ply fabric model.

DAMAGEF1C

Field: yes  History: yes  .fil: no  

Fiber compressive damage variable in the local 1-direction for the ply fabric model.

DAMAGEF2T

Field: yes  History: yes  .fil: no  

Fiber tensile damage variable in the local 2-direction for the ply fabric model.

DAMAGEF2C

Field: yes  History: yes  .fil: no  

Fiber compressive damage variable in the local 2-direction for the ply fabric model.

Output variable LOCALDIR (described above) is output automatically for fabric materials.

SFABRIC

Field: yes  History: yes  .fil: no  

All fabric stress components.

EFABRIC

Field: yes  History: yes  .fil: no  

All fabric strain components.

SFABRICij

Field: no  History: yes  .fil: no  

$ij$-component of fabric stress ($i\le j\le 3$).

EFABRICij

Field: no  History: yes  .fil: no  

$ij$-component of fabric strain ($i\le j\le 3$).

BURNF

Field: yes  History: yes  .fil: no  

Burn fraction of the ignition and growth material.

DBURNF

Field: yes  History: yes  .fil: no  

Reaction rate of the ignition and growth material.

RHOE

Field: yes  History: yes  .fil: no  

Density of the unreacted explosive in the ignition and growth material.

RHOP

Field: yes  History: yes  .fil: no  

Density of the reacted gas product in the ignition and growth material.

PALPH

Field: yes  History: yes  .fil: no  

Distension, $\alpha$, of the $P-\alpha$ porous material.

PALPHMIN

Field: yes  History: yes  .fil: no  

Minimum value, ${\alpha }_{min}$, of the distension attained during plastic compaction of the $P-\alpha$ porous material.

RBFOR

Field: yes  History: yes  .fil: yes  

Force in rebar.

RBANG

Field: yes  History: yes  .fil: yes  

Angle, in degrees, between rebar and the user-specified isoparametric direction. Available only for shell and membrane elements.

RBROT

Field: yes  History: yes  .fil: yes  

Change in angle, in degrees, between rebar and the user-specified isoparametric direction. Available only for shell and membrane elements.

COORD

Field: yes  History: yes  .fil: no  

Coordinates of element integration point.

HFL

Field: yes  History: yes  .fil: yes  

Current magnitude and components of the heat flux per unit area vector.

HFLM

Field: no  History: yes  .fil: no  

Current magnitude of the heat flux per unit area vector.

HFLn

Field: no  History: yes  .fil: no  

Component n of the heat flux vector ($n=1,2,3$).

NEEQ

Field: yes  History: yes  .fil: no  

Equivalent nominal strain.

NEEQR

Field: yes  History: yes  .fil: no  

Equivalent nominal strain rate.

MAXSCRT

Field: no  History: yes  .fil: no  

Maximum nominal stress damage initiation criterion.

MAXECRT

Field: no  History: yes  .fil: no  

Maximum nominal strain damage initiation criterion.

QUADSCRT

Field: no  History: yes  .fil: no  

Quadratic nominal stress damage initiation criterion.

QUADECRT

Field: no  History: yes  .fil: no  

Quadratic nominal strain damage initiation criterion.

DMICRT

Field: yes  History: yes  .fil: no  

All active components of the damage initiation criteria.

SDEG

Field: yes  History: yes  .fil: no  

Overall scalar stiffness degradation.

STATUS

Field: yes  History: yes  .fil: no  

Status of the element (the status of an element is 1.0 if the element is active, 0.0 if the element is not).

The status output is added automatically by the analysis.

MMIXDME

Field: yes  History: yes  .fil: no  

Mode mix ratio during damage evolution. It has a value of $-1.0$ before initiation of damage.

MMIXDMI

Field: yes  History: yes  .fil: no  

Mode mix ratio at damage initiation. It has a value of $-1.0$ before initiation of damage.

EVF

Field: yes  History: yes  .fil: no  

Eulerian volume fraction. Output includes volume fraction data for each material defined in the Eulerian section, plus the volume fraction of void.

DENSITYVAVG

Field: yes  History: no  .fil: no  

Density, computed as a volume fraction weighted average of all materials in the element.

MISESVAVG

Field: yes  History: no  .fil: no  

Mises stress, computed as a volume fraction weighted average of all materials in the element.

PEVAVG

Field: yes  History: no  .fil: no  

Plastic strain components, computed as a volume fraction weighted average of all materials in the element.

PEEQVAVG

Field: yes  History: no  .fil: no  

Equivalent plastic strain, computed as a volume fraction weighted average of all materials in the element.

PRESSVAVG

Field: yes  History: no  .fil: no  

Equivalent pressure stress, computed as a volume fraction weighted average of all materials in the element.

SVAVG

Field: yes  History: no  .fil: no  

Stress components, computed as a volume fraction weighted average of all materials in the element.

TEMPMAVG

Field: yes  History: no  .fil: no  

Temperature, computed as a mass fraction weighted average of all materials in the element.