Whole and Partial Model Variables

Adaptive Mesh Domains

The following variable is available only for adaptive domains (see Defining ALE Adaptive Mesh Domains in Abaqus/Standard).

VOLC: Field: no History: yes .fil: yes .dat: yes
Change in area or change in volume of an element set solely due to adaptive meshing.

Equivalent Rigid Body Motion Variables

You can request equivalent rigid body motion whole element set variable output to the data, results, or output database file (see Element Output and Writing Element Output to the Output Database). The variables listed are available only for implicit dynamic analyses using direct integration except where indicated.

XC: Field: no History: yes .fil: yes .dat: yes
Current coordinates of the center of mass for the entire set or the entire model. Not available for eigenfrequency extraction, eigenvalue buckling prediction, complex eigenfrequency extraction, or linear dynamics procedures. Available also for static analyses but only from the output database.
XCn: Field: no History: yes .fil: no .dat: yes
Coordinate n of the center of mass for the entire set or the entire model ( $n = 1, 2, 3$ ).
UC: Field: no History: yes .fil: yes .dat: yes
Current displacement of the center of mass for the entire set or the entire model. Available also for static analyses but only from the output database.
UCn: Field: no History: yes .fil: no .dat: yes
Displacement component n of the center of mass for the entire set or the entire model ( $n = 1, 2, 3$ ).
URCn: Field: no History: yes .fil: no .dat: yes
Rotation component n of the center of mass for the entire set or the entire model ( $n = 1, 2, 3$ ).
VC: Field: no History: yes .fil: yes .dat: yes
Equivalent rigid body velocity components summed over the entire set or the entire model.
VCn: Field: no History: yes .fil: no .dat: yes
Component n of the equivalent rigid body velocity summed over the entire set or the entire model ( $n = 1, 2, 3$ ).
VRCn: Field: no History: yes .fil: no .dat: yes
Component n of the equivalent rigid body angular velocity summed over the entire set or the entire model ( $n = 1, 2, 3$ ).
HC: Field: no History: yes .fil: yes .dat: yes
Current angular momentum about the center of mass for the entire set or the entire model.
HCn: Field: no History: yes .fil: no .dat: yes
Component n of the angular momentum about the center of mass for the entire set or the entire model ( $n = 1, 2, 3$ ).
HO: Field: no History: yes .fil: yes .dat: yes
Current angular momentum about the origin for the entire set or the entire model.
HOn: Field: no History: yes .fil: no .dat: yes
Component n of the angular momentum about the origin for the entire set or the entire model ( $n = 1, 2, 3$ ).
RI: Field: no History: yes .fil: yes .dat: yes
Current rotary inertia about the origin of the entire set or the entire model. Not available for eigenfrequency extraction, eigenvalue buckling prediction, complex eigenfrequency extraction, or linear dynamics procedures. Available also for static analyses but only from the output database.
RIij: Field: no History: yes .fil: no .dat: yes
$i j$ -component of the rotary inertia about the origin of the entire set or the entire model ( $i \leq j \leq 3$ ).
MASS: Field: no History: yes .fil: yes .dat: yes
Current mass of the entire set or the entire model. Available also for static analyses but only from the output database.
VOL: Field: no History: yes .fil: yes .dat: yes
Current volume of the entire set or the entire model. Available also for static analyses but only from the output database. (Available only for continuum and structural elements that do not use general beam or shell section definitions.)

Inertia Relief Output Variables

You can request inertia relief whole model variable output to the data or output database file (see Element Output and Writing Element Output to the Output Database). Since these variables have unique values for the entire model, the variable output is independent of the specified region. The variables listed are available only for those analyses that include inertia relief loading (see Inertia Relief).

IRX: Field: no History: yes .fil: no .dat: yes
Current coordinates of the reference point.
IRXn: Field: no History: yes .fil: no .dat: yes
Coordinate n of the reference point ( $n = 1, 2, 3$ ).
IRA: Field: no History: yes .fil: no .dat: yes
Equivalent rigid body acceleration components.
IRAn: Field: no History: yes .fil: no .dat: yes
Component n of the equivalent rigid body acceleration ( $n = 1, 2, 3$ ).
IRARn: Field: no History: yes .fil: no .dat: yes
Component n of the equivalent rigid body angular acceleration with respect to the reference point ( $n = 1, 2, 3$ ).
IRF: Field: no History: yes .fil: no .dat: yes
Inertia relief load corresponding to the equivalent rigid body acceleration.
IRFn: Field: no History: yes .fil: no .dat: yes
Component n of the inertia relief load corresponding to the equivalent rigid body acceleration ( $n = 1, 2, 3$ ).
IRMn: Field: no History: yes .fil: no .dat: yes
Component n of the inertia relief moment corresponding to the equivalent rigid body angular acceleration with respect to the reference point ( $n = 1, 2, 3$ ).
IRRI: Field: no History: yes .fil: no .dat: yes
Rotary inertia about the reference point.
IRRIij: Field: no History: yes .fil: no .dat: yes
$i j$ -component of the rotary inertia about the reference point ( $i \leq j \leq 3$ ).
IRMASS: Field: no History: yes .fil: no .dat: yes
Whole model mass.

Mass Diffusion Analysis

You can request variable output from a mass diffusion analysis (Mass Diffusion Analysis) to the data, results, or output database file (see Element Output and Writing Element Output to the Output Database). If you specify an output region, the variable is calculated over the user-specified region. If you do not specify an output region, the variable is calculated as the total over the entire model.

SOL: Field: no History: yes .fil: yes .dat: yes
Amount of solute in an element set, calculated as the sum of ESOL (amount of solute in each element) over all the elements in the set.

Analyses with Time-Dependent Material Behavior

CRPTIME: Field: no History: yes .fil: no .dat: no
Creep time, which is equal to the total time in procedures with time-dependent material behavior (see Rate-Dependent Plasticity: Creep and Swelling).

Eigenvalue Extraction

The following variables are output automatically during a frequency extraction analysis (Natural Frequency Extraction).

EIGVAL: Field: no History: automatic .fil: no .dat: automatic
Eigenvalues.
EIGFREQ: Field: no History: automatic .fil: no .dat: automatic
Eigenfrequencies.
GM: Field: no History: automatic .fil: no .dat: automatic
Generalized masses.
CD: Field: no History: automatic .fil: no .dat: automatic
Composite damping factors.
PFn: Field: no History: automatic .fil: no .dat: automatic
Modal participation factors 1–7 ( $n = 1, 2, 3$ corresponding to displacements, $n = 4, 5, 6$ for the rotations, and $n = 7$ for acoustic pressure).
EMn: Field: no History: automatic .fil: no .dat: automatic
Modal effective masses 1–7 ( $n = 1, 2, 3$ corresponding to displacements, $n = 4, 5, 6$ for the rotations, and $n = 7$ for acoustic pressure).

Complex Eigenvalue Extraction

The following variables are output automatically during a complex frequency extraction analysis (Complex Eigenvalue Extraction).

EIGREAL: Field: no History: automatic .fil: no .dat: automatic
Real parts of the eigenvalues.
EIGIMAG: Field: no History: automatic .fil: no .dat: automatic
Imaginary parts of the eigenvalues.
EIGFREQ: Field: no History: automatic .fil: no .dat: automatic
Eigenfrequencies.
DAMPRATIO: Field: no History: automatic .fil: no .dat: automatic
Damping ratios.

Total Energy Output Quantities

If the following whole model variables are relevant for a particular analysis, you can request them as output to the data, results, or output database file (see Total Energy Output and Total Energy Output). If you do not specify an output region, whole model variables are calculated. When you specify an output region, the relevant energy totals are calculated over the user-specified region.

These variables are not available for eigenvalue buckling prediction, eigenfrequency extraction, or complex frequency extraction analysis. You cannot specify an output region for modal dynamic, random response, response spectrum, or steady-state dynamic analysis.

See Energy balance and Energy computations in a contact analysis for details of the energy definitions. In steady-state dynamics all energy quantities are net per-cycle values, unless otherwise noted.

ALLAE: Field: no History: yes .fil: automatic .dat: automatic
“Artificial” strain energy associated with constraints used to remove singular modes (such as hourglass control), and with constraints used to make the drill rotation follow the in-plane rotation of the shell elements.
ALLCCDW: Field: no History: yes .fil: no .dat: automatic
Contact constraint discontinuity work.
ALLCCEN: Field: no History: yes .fil: no .dat: automatic
Contact constraint elastic energy in normal direction due to penalty constraint enforcement.
ALLCCET: Field: no History: yes .fil: no .dat: automatic
Contact constraint elastic energy in tangential direction due to friction penalty constraint enforcement.
ALLCCE: Field: no History: yes .fil: no .dat: automatic
The sum of ALLCCEN and ALLCCET.
ALLCCSDN: Field: no History: yes .fil: no .dat: automatic
Contact constraint stabilization dissipation in normal direction.
ALLCCSDT: Field: no History: yes .fil: no .dat: automatic
Contact constraint stabilization dissipation in tangential direction.
ALLCCSD: Field: no History: yes .fil: no .dat: automatic
The sum of ALLCCSDN and ALLCCSDT.
ALLCD: Field: no History: yes .fil: automatic .dat: automatic
Energy dissipated by creep, swelling, viscoelasticity, and energy associated with viscous regularization for cohesive elements and cohesive contact.
ALLEE: Field: no History: yes .fil: automatic .dat: automatic
Electrostatic energy.
ALLFD: Field: no History: yes .fil: automatic .dat: automatic
Total energy dissipated through frictional effects. (Available only for the whole model.)
ALLIE: Field: no History: yes .fil: automatic .dat: automatic
Total strain energy. (ALLIE = ALLSE + ALLPD + ALLCD + ALLAE + ALLQB + ALLEE + ALLDMD.)
ALLJD: Field: no History: yes .fil: automatic .dat: automatic
Electrical energy dissipated due to flow of electrical current.
ALLKE: Field: no History: yes .fil: automatic .dat: automatic
Kinetic energy. In steady-state dynamic and frequency extraction analyses, this is the cyclic mean value. In frequency extraction analyses, the value of kinetic energy is normalized. Normalization is performed for each eigenmode separately, such that the kinetic and strain energies for the whole model add up to one.
ALLKEA: Field: no History: yes .fil: no .dat: no
Kinetic energy amplitude. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
ALLKEP: Field: no History: yes .fil: no .dat: no
Kinetic energy peak value. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
ALLKL: Field: no History: yes .fil: automatic .dat: automatic
Loss of kinetic energy at impact. (Available only for the whole model.)
ALLPD: Field: no History: yes .fil: automatic .dat: automatic
Energy dissipated by rate-independent and rate-dependent plastic deformation. For superelastic materials, this variable also includes recoverable phase-transformation energy.
ALLQB: Field: no History: yes .fil: automatic .dat: automatic
Energy dissipated through quiet boundaries (infinite elements). (Available only for the whole model.)
ALLSD: Field: no History: yes .fil: automatic .dat: automatic
Energy dissipated by automatic stabilization. This includes both volumetric static stabilization and automatic approach of contact pairs (the latter part included only for the whole model).
ALLSE: Field: no History: yes .fil: automatic .dat: automatic
Recoverable strain energy. In steady-state dynamic and frequency extraction analyses, this is the cyclic mean value. In frequency extraction analyses, the value of strain energy is normalized. Normalization is performed for each eigenmode separately, such that the kinetic and strain energies for the whole model add up to one.
ALLSEA: Field: no History: yes .fil: no .dat: no
Recoverable strain energy amplitude. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
ALLSEP: Field: no History: yes .fil: no .dat: no
Recoverable strain energy peak value. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
ALLVD: Field: no History: yes .fil: automatic .dat: automatic
Energy dissipated by viscous effects including viscous regularization (except for cohesive elements and cohesive contact), not inclusive of energy dissipated by automatic stabilization and viscoelasticity. If this variable is requested for the whole model in mode-based steady-state dynamic analyses, it includes the energy loss due to the material, global, and modal damping. If this variable is requested for a part of the model in mode-based steady-state dynamic analyses, the energy loss due to the modal damping is not included. In direct-solution steady-state dynamic analyses this variable includes the energy loss due to the material and global damping.
ALLVDE: Field: no History: yes .fil: no .dat: automatic
Energy dissipated by viscous effects due to the material damping. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
ALLVDG: Field: no History: yes .fil: no .dat: automatic
Energy dissipated by viscous effects due to the global damping. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
ALLVDM: Field: no History: yes .fil: no .dat: automatic
Energy dissipated by viscous effects due to the modal damping. This variable is available only for the whole model in the mode-based steady-state dynamic analyses.
ALLHD: Field: no History: yes .fil: no .dat: automatic
Energy dissipated due to the structural damping. If this variable is requested for the whole model in mode-based steady-state dynamic analyses, it includes energy loss due to the material, global, and modal damping. If this variable is requested for a part of the model in mode-based steady-state dynamic analyses, energy loss due to the modal damping is not included. In direct-solution steady-state dynamic analyses this variable includes the energy loss due to the material and global damping.
ALLHDE: Field: no History: yes .fil: no .dat: automatic
Energy dissipated due to the material structural damping. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
ALLHDG: Field: no History: yes .fil: no .dat: automatic
Energy dissipated due to the global structural damping. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
ALLHDM: Field: no History: yes .fil: no .dat: automatic
Energy dissipated due to the modal structural damping. This variable is available only for the whole model in mode-based steady-state dynamic analyses.
ALLDMD: Field: no History: yes .fil: automatic .dat: automatic
Energy dissipated by damage.
ALLWK: Field: no History: yes .fil: automatic .dat: automatic
External work. (Available only for the whole model.)
ETOTAL: Field: no History: yes .fil: automatic .dat: automatic
Total energy balance (available only for the whole model). (ETOTAL = ALLKE + ALLIE + ALLVD + ALLSD + ALLKL + ALLFD + ALLJD + ALLCCE − ALLWK − ALLCCDW.)
EFLOW: Field: no History: yes .fil: no .dat: automatic
Energy flow from a given portion of the model through the given boundary. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
PFLOW: Field: no History: yes .fil: no .dat: automatic
Power flow from a given portion of the model through the given boundary. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
RADEN: Field: no History: yes .fil: no .dat: automatic
Radiated energy from/into a given acoustic cavity through the given boundary. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
RADPOW: Field: no History: yes .fil: no .dat: automatic
Radiated power from/into a given acoustic cavity through the given boundary. This variable is available only in mode-based and direct-solution steady-state dynamic analyses.
ALLHUMDFLUX: Field: no History: yes .fil: no .dat: automatic
All heat energy due to the nonuniform moving flux prescribed inside user subroutine UMDFLUX. This variable is available only in pure heat transfer analyses. (Available only for the whole model.)
ALLUSER: Field: no History: yes .fil: no .dat: no
User-defined quantity that can be set only in user subroutines for pure heat transfer analyses. Its value is set through calls to the utility routine SETALLUSER.

Total Amount Output Quantities

The following whole model variables are relevant only for electrochemical analyses. You can request them as history output to the output database file. If you do not specify an output region as an element set in the element output, whole model variables are calculated. When you specify an output region, the relevant amount totals are calculated over the user-specified region. Amount is measured in moles. While the output variables presented here are in terms of lithium metal, in general, you can replace lithium with another chemical species.

AMOUNT: Field: no History: yes .fil: no .dat: no
Total amount of lithium in the solid particles and the electrolyte (sum of AMOUNTE and AMOUNTS).
AMOUNTE: Field: no History: yes .fil: no .dat: no
Amount of lithium in the electrolyte.
AMOUNTS: Field: no History: yes .fil: no .dat: no
Amount of lithium in the solid particles.

Total Volume Heat Generation Power Output Quantities

ECHEMQV1: Field: no History: yes .fil: no .dat: no
Total volume heat generation power of Butler-Volmer electric current, $Q_{1}$ (volume integral of ECHEMQ1).
ECHEMQV2: Field: no History: yes .fil: no .dat: no
Total volume entropic heat generation power, $Q_{2}$ (volume integral of ECHEMQ2).
ECHEMQV3: Field: no History: yes .fil: no .dat: no
Total volume heat generation power of electronic electric current, $Q_{3}$ (volume integral of ECHEMQ3).
ECHEMQV4: Field: no History: yes .fil: no .dat: no
Total volume heat generation power of ionic electric current, $Q_{4}$ (volume integral of ECHEMQ4).
ECHEMQV5: Field: no History: yes .fil: no .dat: no
Total volume heat generation power of ionic diffusive flux, $Q_{5}$ (volume integral of ECHEMQ5).