MultiPhysicsVault/.raw/AbaqusAnalysisUserGuide1/AbaqusAnalysisUserGuide1_073.md

Identifier	.dat	.fil	.odb		Description
			Field	History
					quantity for eigenvalue extraction procedures in the results file or as field output in the output database, request ENER. In steady-state dynamic analysis this is the cyclic mean value.
PENER	•		•	•	Energy dissipated by rate-independent and rate-dependent plasticity, per unit volume. Not available for steady-state dynamic analysis.
CENER	•		•	•	Energy dissipated by creep, swelling, viscoelasticity, and energy associated with viscous regularization for cohesive elements, per unit volume. Not available for steady-state dynamic analysis.
VENER	•		•	•	Energy dissipated by viscous effects (except those from viscoelasticity and static dissipation), per unit volume.
EENER	•		•	•	Electrostatic energy density. Not available for steady-state dynamic analysis.
JENER	•		•	•	Electrical energy dissipated as a result of the flow of current, per unit volume. Not available for steady-state dynamic analysis.
DMENER	•		•	•	Energy dissipated by damage, per unit volume. Not available for steady-state dynamic analysis.

State, field, and user-defined output variables

SDV	•	•	•	•	Solution-dependent state variables.
SDVn	•		•	•	Solution-dependent state variable n.
TEMP	•	•	•	•	Temperature.
FV	•	•	•	•	Predefined field variables, including those imported using the FVi co-simulation field ID.
FVn	•		•	•	Predefined field variable n.
MFR	•	•	•	•	Predefined mass flow rates.
MFRn	•			•	Component n of predefined mass flow rate (n = 1, 2, 3).
UVARM	•	•	•	•	User-defined output variables.
UVARMn	•		•	•	User-defined output variable n.

Composite failure measures

CFAILURE

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All failure measure components.

Identifier	.dat	.fil	.odb		Description
			Field	History
MSTRS	●		●	●	Maximum stress theory failure measure.
TSAIH	●		●	●	Tsai-Hill theory failure measure.
TSAIW	●		●	●	Tsai-Wu theory failure measure.
AZZIT	●		●	●	Azzi-Tsai-Hill theory failure measure.
MSTRN	●		●	●	Maximum strain theory failure measure.
Fluid link quantities
MFL	●	●	●	●	Current value of the mass flow rate.
MFLT	●	●	●	●	Current value of the total mass flow.
Fluid pipe element quantities
FPMFL			●	●	Current value of the mass flow rate.
FPFLVEL			●	●	Current velocity of the fluid flowing through the pipe.
FPDPRESS			●	●	Current pressure drop across the element.
Fracture mechanics quantities
JK	●	●	●	●	J-integral, stress intensity factors. Available only for

Concrete cracking and additional plasticity

CRACK	●	●
CONF	●	●
PEQC	●	●	●	●
PEQCn	●			●

Unit normal to cracks in concrete.

Number of cracks at a concrete material point.

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

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

For jointed materials: PEQC provides equivalent plastic strains for all four possible systems (three joints - PEQC1, PEQC2, PEQC3, and bulk material - PEQC4). This identifier also provides a yes/no flag (1/0 on the output database) telling if each individual system is currently yielding or not (AC YIELD: “actively yielding”; that is, the plastic strain changed during the increment).

Identifier .dat .fil .odb Description Field History

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 inelastic strain (PEQC4). All identifiers also provide a yes/no flag (1/0 on the output database) telling whether the yield surface is currently active or not (AC YIELD: “actively yielding”, that is, the plastic strain changed during the increment).

When PEQC is requested as output to the output database, the active yield flags for each component are named AC YIELD1, AC YIELD2, etc. and take the value 1 or 0.

Concrete damaged plasticity

DAMAGEC	●		●	●
DAMAGET	●		●	●
SDEG	●		●	●
PEEQ	●	●	●	●

Compressive damage variable, d _ { c } .

Tensile damage variable, d _ { t }

Scalar stiffness degradation variable, d.

Equivalent plastic strain in uniaxial compression, which is defined as \int \dot { \bar { \varepsilon } } _ { c } ^ { p l } d t . This identifier also provides a yes/no flag (1/0 on the output database) telling if the material is currently undergoing compressive failure or not (AC YIELD: “actively yielding”; that is, the plastic strain changed during the increment).

Rebar quantities

RBFOR	●	●	●	●
RBANG	●	●	●	●
RBROT	●	●	●	●

Force in rebar.

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

Change in angle in degrees between rebar and the userspecified isoparametric direction. Available only for shell, membrane, and surface elements.

Identifier	.dat	.fil	.odb	Description
			Field History

Heat transfer analysis

HFL	●	●	●	●	Current magnitude and components of the heat flux per unit area vector. The integration points for these values are located at the Gauss points.
HFLM	●			●	Current magnitude of heat flux per unit area vector.
HFLn	●			●	Component n of the heat flux vector (n = 1, 2, 3).

Mass diffusion analysis

CONC	•	•	•	•	Mass concentration.
ISOL	•	•	•	•	Amount of solute at an integration point, calculated as the product of the mass concentration (CONC) and the integration point volume (IVOL).
MFL	•	•	•	•	Current magnitude and components of the concentration flux vector.
MFLM	•			•	Current magnitude of the concentration flux vector.
MFLn	•			•	Component n of the concentration flux vector (n = 1, 2, 3).

Elements with electrical potential degrees of freedom

EPG	•	•	•	•	Current magnitude and components of the electrical potential gradient vector for a coupled thermal-electrical analysis or a fully coupled thermal-electrical-structural analysis. Current magnitude and components of the negative of the electrical potential gradient vector for a piezoelectric analysis.
EPGM	•			•	Current magnitude of the electrical potential gradient vector.
EPGn	•			•	Component n of the electrical potential gradient vector for a coupled thermal-electrical analysis or a fully coupled thermal-electrical-structural analysis. Component n of the negative of the electrical potential gradient vector for a piezoelectric analysis. (n = 1, 2, 3) .

Piezoelectric analysis

EFLX

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Current magnitude and components of the electrical flux vector.

Identifier	.dat	.fil	.odb	Description
			Field History
EFLXM	•		•	Current magnitude of the electrical flux vector.
EFLXn	•		•	Component n of the electrical flux vector (n = 1, 2, 3).

Coupled thermal-electrical elements

ECD	●	●	●	●	Current magnitude and components of the electrical current density.
ECDM	●			●	Current magnitude of the electrical current density.
ECDn	●			●	Component n of the electrical current density vector

Cohesive elements

MAXSCRT	●		●	●	Maximum nominal stress damage initiation criterion.
MAXECRT	●		●	●	Maximum nominal strain damage initiation criterion.
QUADSCRT	●		●	●	Quadratic nominal stress damage initiation criterion.
QUADECRT	●		●	●	Quadratic nominal strain damage initiation criterion.
DMICRT	●	●	●	●	All active components of the damage initiation criteria.
SDEG	●	●	●	●	Overall scalar stiffness degradation.
STATUS	●	●	●	●	Status of the element (the status of an element is 1.0 if the element is active, 0.0 if the element is not).
MMIXDME			●	●	Mode mix ratio during damage evolution. It has a value of -1.0 before initiation of damage.
MMIXDMI			●	●	Mode mix ratio at damage initiation. It has a value of

Low-cycle fatigue analysis

CYCLEINI		•	•	Number of cycles to initialize the damage at the material point.
SDEG	•	•	•	Overall scalar stiffness degradation.
STATUS	•	•	•	Status of the element (the status of an element is 1.0 if

Pore pressure analysis

VOIDR	●	●	●	●	Void ratio.
POR	●	●	●	●	Pore pressure.
SAT	●	●	●	●	Saturation.
GELVR	●	●	●	●	Gel volume ratio.

Identifier	.dat	.fil	.odb		Description
			Field	History
FLUVR	•	•	•	•	Total fluid volume ratio.
FLVEL	•	•	•	•	Current magnitude and components of the pore fluid effective velocity vector.
FLVELM	•			•	Current magnitude of the pore fluid effective velocity vector.
FLVELn	•			•	Component n of the pore fluid effective velocity vector (n = 1, 2, 3).

Pore pressure cohesive elements

GFVR	●	●	●	●
PFOPEN	●	●	●	●
LEAKVRT	●	●	●	●
LEAKVRB	●	●	●	●
ALEAKVRT	●	●	●	●
ALEAKVRB	●	●	●	●

Gap flow volume rate.

Pore pressure fracture opening.

Leak-off flow rate at the top of the element.

Leak-off flow rate at the bottom of the element.

Accumulated leak-off volume at the top of the element.

Accumulated leak-off volume at the bottom of the element.

Porous metal plasticity quantities

RD	●	●	●	●
VVF	●	●	●	●
VVFG	●	●	●	●
VVFN	●	●	●	●

Relative density.

Void volume fraction.

Void volume fraction due to void growth.

Void volume fraction due to void nucleation.

Two-layer viscoplasticity quantities

VS	$\bullet$	$\bullet$	$\bullet$	$\bullet$
VSij	$\bullet$			$\bullet$
PS	$\bullet$	$\bullet$	$\bullet$	$\bullet$
PSij	$\bullet$			$\bullet$
VE	$\bullet$	$\bullet$	$\bullet$	$\bullet$
VEij	$\bullet$			$\bullet$
PE	$\bullet$	$\bullet$	$\bullet$	$\bullet$
PEij	$\bullet$			$\bullet$

Stress in the elastic-viscous network.

-component of stress in the elastic-viscous network ( i \leq j \leq 3 ) .

Stress in the elastic-plastic network.

-component of stress in the elastic-plastic network ( i \leq j \leq 3 ) .

Viscous strain in the elastic-viscous network.

-component of viscous strain in the elastic-viscous network ( i \leq j \leq 3 ) .

Plastic strain in the elastic-plastic network.

-component of plastic strain in the elastic-plastic network ( i \leq j \leq 3 ) .

Identifier	.dat	.fil	.odb		Description
			Field	History
VEEQ	•		•	•	Equivalent viscous strain in the elastic-viscous network, defined as $\int_{0}^{t} \dot{\varepsilon}^{v} dt$ .
PEEQ	•		•	•	Equivalent plastic strain in the elastic-plastic network, defined as $\int_{0}^{t} \dot{\varepsilon}^{pl} dt$ .
Geometric quantities
COORD	•	•	•	•	Coordinates of the integration point for solid elements and rebar. These are the current coordinates if the large-displacement formulation is being used.
IVOL	•	•	•	•	Integration point volume. Section point volume in the case of beams and shells. (Not available for eigenfrequency extraction, eigenvalue buckling prediction, complex eigenfrequency extraction, or linear dynamics procedures. Available only for continuum and structural elements not using general beam or shell section definitions.)
LOCALDIRn			○		Direction cosines of the local material directions for an anisotropic hyperelastic material model. This variable is output automatically if any other element field output is requested for an anisotropic hyperelastic material (see “Output” in “Anisotropic hyperelastic behavior,” Section 22.5.3).
Accuracy indicators
SJP	•	•			Strain jumps at nodes.

Random response analysis

The following variables (beginning with R) are available only for random response dynamic analysis:

RS	•	•	•	•	Root mean square of all stress components.
RSij	•			•	Root mean square of ij-component of stress (i ≤ j ≤ 3).
RMISES			•	•	Root mean square of Mises equivalent stress.
RE	•	•	•	•	Root mean square of all strain components.
REij	•			•	Root mean square of ij-component of strain (i ≤ j ≤ 3).
RCTF	•	•		•	RMS values of all components of connector total forces and moments.

Identifier	.dat	.fil	.odb		Description
			Field	History
RCTFn	●			●	RMS value of connector total force component n (n = 1, 2, 3).
RCTMn	●			●	RMS value of connector total moment component n (n = 1, 2, 3).
RCEF	●	●		●	RMS values of all components of connector elastic forces and moments.
RCEFn	●			●	RMS value of connector elastic force component n (n = 1, 2, 3).
RCEMn	●			●	RMS value of connector elastic moment component n (n = 1, 2, 3).
RCVF	●	●		●	RMS values of all components of connector viscous forces and moments.
RCVFn	●			●	RMS value of connector viscous force component n (n = 1, 2, 3).
RCVMn	●			●	RMS value of connector viscous moment component n (n = 1, 2, 3).
RCRF	●	●		●	RMS values of all components of connector reaction forces and moments.
RCRFn	●			●	RMS value of connector reaction force component n (n = 1, 2, 3).
RCRMn	●			●	RMS value of connector reaction moment component n (n = 1, 2, 3).
RCSF	●	●		●	RMS values of all components of connector friction forces and moments.
RCSFn	●			●	RMS value of connector friction force component n (n = 1, 2, 3).
RCSMn	●			●	RMS value of connector friction moment component n (n = 1, 2, 3).
RCSFC	●			●	RMS value of connector friction force in the direction of the instantaneous slip direction. Available only if friction is defined in the slip direction.
RCU	●	●		●	RMS values of all components of connector relative displacements and rotations.
RCUn	●			●	RMS value of connector relative displacement in the n-direction (n = 1, 2, 3).
RCURn	●			●	RMS value of connector relative rotation in the n-direction (n = 1, 2, 3).

Identifier	.dat	.fil	.odb		Description
			Field	History
RCCU	•	•		•	RMS values of all components of connector constitutive displacements and rotations.
RCCUn	•			•	RMS value of connector constitutive displacement in the n-direction (n = 1, 2, 3).
RCCURn	•			•	RMS value of connector constitutive rotation in the n-direction (n = 1, 2, 3).
RCNF	•	•		•	RMS values of all components of connector friction-generating contact forces and moments.
RCNFn	•			•	RMS value of connector friction-generating contact force component n (n = 1, 2, 3).
RCNMn	•			•	RMS value of connector friction-generating contact moment component n (n = 1, 2, 3).
RCNFC	•			•	RMS values of connector friction-generating contact force components in the instantaneous slip direction. Available only if friction is defined in the slip direction.

Steady-state dynamic analysis

The following variables (beginning with P) are available only for steady-state (frequency domain) dynamic analysis. These variables include both the magnitude and phase angle for all components. Phase angles are given in degrees. In the data file there are two lines of output for each request. The first line contains the magnitude, and the second line (indicated by the SSD footnote) contains the phase angle. In the results file the magnitudes of all components are first, followed by the phase angles of all components.

PHS	•	•	Magnitude and phase angle of all stress components.
PHSij	•		Magnitude and phase angle of ij-component of stress (i ≤ j ≤ 3).
PHE	•	•	Magnitude and phase angle of all strain components.
PHEij	•		Magnitude and phase angle of ij-component of strain (i ≤ j ≤ 3).
PHEPG	•	•	Magnitude and phase angles of the electrical potential gradient vector.
PHEPGn	•		Magnitude and phase angle of component n of the electrical potential gradient (n = 1, 2, 3).
PHEFL	•	•	Magnitude and phase angles of the electrical flux vector.
PHEFLn	•		Magnitude and phase angle of component n of the electrical flux vector (n = 1, 2, 3).

Identifier	.dat	.fil	.odb	Description
			Field History
PHMFL	•	•		Magnitude and phase angle of mass flow rate. Available only for fluid link elements.
PHMFT	•	•		Magnitude and phase angle of total mass flow. Available only for fluid link elements.
PHCTF	•	•		Magnitude and phase of all components of connector total forces and moments.
PHCTFn	•			Magnitude and phase of connector total force component n (n = 1, 2, 3).
PHCTMn	•			Magnitude and phase of connector total moment component n (n = 1, 2, 3).
PHCEF	•	•		Magnitude and phase of all components of connector elastic forces and moments.
PHCEFn	•			Magnitude and phase of connector elastic force component n (n = 1, 2, 3).
PHCEMn	•			Magnitude and phase of connector elastic moment component n (n = 1, 2, 3).
PHCVF	•	•		Magnitude and phase of all components of connector viscous forces and moments.
PHCVFn	•			Magnitude and phase of connector viscous force component n (n = 1, 2, 3).
PHCVMn	•			Magnitude and phase of connector viscous moment component n (n = 1, 2, 3).
PHCRF	•	•		Magnitude and phase of all components of connector reaction forces and moments.
PHCRFn	•			Magnitude and phase of connector reaction force component n (n = 1, 2, 3).
PHCRMn	•			Magnitude and phase of connector reaction moment component n (n = 1, 2, 3).
PHCSF	•	•		Magnitude and phase of all components of connector friction forces and moments.
PHCSFn	•			Magnitude and phase of connector friction force component n (n = 1, 2, 3).
PHCSMn	•			Magnitude and phase of connector friction moment component n (n = 1, 2, 3).
PHCSFC	•			Magnitude and phase of connector friction force in the direction of the instantaneous slip direction. Available only if friction is defined in the slip direction.