The commands in this table are used to load and solve the model. A brief description of each command is given, along with the page number where the complete command definition can be found. The commands are grouped by functionality.
These SOLUTION commands are used to set general analysis options.
ADAPT Adaptively meshes and solves a model.
ANTYPE Specifies the analysis type and restart status.
CHECK Checks current database items for completeness.
CUTCONTROL Controls time-step cutback during a non-linear solution.
EQSLV Specifies the type of equation solver.
ERESX Specifies extrapolation of integration point results.
EXPASS Specifies an expansion pass of an analysis.
GAUGE Gauges the problem domain for an edge-element formulation.
HFSWEEP Performs a harmonic response for a high-frequency electromagnetic wave guide analysis.
LMATRIX Calculates an inductance matrix for an N-winding system.
LUMPM Specifies a lumped mass matrix formulation.
MONITOR Controls contents of three variable fields in non-linear solution monitor file.
OPNCONTROL Sets decision parameter for automatically increasing the time step interval.
PRECISION Specifies machine precision for solvers (currently valid only for PCG solvers).
PSOLVE Directs the program to perform a partial solution.
SEEXP Specifies options for the substructure expansion pass.
SEOPT Specifies substructure analysis options.
SOLCONTROL Specifies whether to use optimized nonlinear solution defaults and some enhanced internal solution algorithms.
/SOLU Enters the solution processor.
SOLVE Starts a solution.
TOFFST Specifies the temperature offset from absolute zero to zero.
These SOLUTION commands are used to define options for p-Method analyses.
PCONV Sets convergence values for p-method solutions.
PEXCLUDE Specifies elements to be excluded from p-level escalations.
PINCLUDE Specifies elements to be included in p-level escalations.
/PMETH Activates the p-method solution options in the Graphical User Interface (GUI).
PMOPTS Defines percentage tolerance for a p-Method solution.
PPRANGE Specifies a range of p-level values for use in a p-method solution.
These SOLUTION commands are used to define options for nonlinear analyses.
ARCLEN Activates the arc-length method.
ARCTRM Controls termination of the arc-length solution.
BUCOPT Specifies buckling analysis options.
CNVTOL Sets convergence values for nonlinear analyses.
CRPLIM Specifies the creep criterion for automatic time stepping.
/GST Turns Graphical Solution Tracking (GST) on or off.
LNSRCH Activates a line search to be used with Newton-Raphson.
MXPAND Specifies the number of modes to expand and write for a modal or buckling analysis.
NCNV Sets the key to terminate an analysis.
NEQIT Specifies the maximum number of equilibrium iterations for nonlinear analyses.
NLGEOM Includes large deformation effects in a
static or full transient
analysis.
NROPT Specifies the Newton-Raphson options in a static or full transient analysis.
PRED Activates a predictor in a nonlinear analysis.
PSTRES Specifies whether prestress effects are to be included.
SSTIF Activates stress stiffness effects in a nonlinear analysis.
SUBOPT Specifies options for subspace iteration eigenvalue extraction.
These SOLUTION commands are used to define options for dynamic analyses.
ALPHAD Defines the mass matrix multiplier for damping.
BETAD Defines the stiffness matrix multiplier for damping.
CYCSOL Performs a modal cyclic symmetry analysis.
DMPRAT Sets a constant damping ratio.
HARFRQ Defines the frequency range in the harmonic response analysis.
HREXP Specifies the phase angle for the harmonic
analysis expansion
pass.
HROPT Specifies harmonic analysis options.
HROUT Specifies the harmonic analysis output options.
LVSCALE Scales the load vector for mode superposition analyses.
MDAMP Defines the damping ratios as a function of mode.
MODOPT Specifies modal analysis options.
MXPAND Specifies the number of modes to expand and write for a modal or buckling analysis.
RIGID Specifies known rigid body modes (if any) of the model.
SUBOPT Specifies options for subspace iteration eigenvalue extraction.
TIMINT Turns on transient effects.
TINTP Defines transient integration parameters.
TRNOPT Specifies transient analysis options.
These SOLUTION commands are used to define options for spectrum analyses.
ADDAM Specifies the acceleration spectrum computation constants for the analysis of shock resistance of shipboard structures.
COVAL Defines PSD cospectral values.
CQC Specifies the complete quadratic mode combination method.
DSUM Specifies the double sum mode combination method.
FREQ Defines the frequency points for the SV vs. FREQ tables.
GRP Specifies the grouping mode combination method.
NRLSUM Specifies the Naval Research Laboratory (NRL) sum mode combination method.
PFACT Calculates participation factors for the PSD or multi-point response spectrum table.
PSDCOM Specifies the power spectral density mode combination method.
PSDFRQ Defines the frequency points for the input spectrum vs. FREQ tables of PSD and multi-point spectrum analyses.
PSDRES Controls solution output written to the
results file from a PSD
analysis.
PSDSPL Defines a partially correlated excitation in a PSD analysis.
PSDUNIT Defines the type of PSD or multi-point response spectrum.
PSDVAL Defines PSD or multi-point response spectrum values.
PSDWAV Defines a wave propagation excitation in a PSD analysis.
QDVAL Defines PSD quadspectral values.
ROCK Specifies a rocking response spectrum.
SED Defines the excitation direction for a single-point
response
spectrum.
SPOPT Selects the spectrum type and other spectrum options.
SRSS Specifies the square root of sum of squares
mode combination
method.
SV Defines spectrum values to be associated with frequency points.
SVTYP Defines the type of single-point response spectrum.
VDDAM Specifies the velocity spectrum computation constants for the analysis of shock resistance of shipboard structures.
These SOLUTION commands are used to define options for individual load steps.
AUTOTS Specifies whether to use automatic time stepping or load stepping.
CECMOD Modifies the constant term of a constraint equation during solution.
DELTIM Specifies the time step sizes to be used for this load step.
EXPSOL Specifies the solution to be expanded for reduced analyses.
HMAGSOLV Specifies 2-D or axisymmetric harmonic magnetic solution options and initiates the solution.
KBC Specifies stepped or ramped loading within a load step.
KUSE Specifies whether or not to reuse the triangularized matrix.
MAGOPT Specifies options for a 3-D magnetostatic field analysis.
MAGSOLV Specifies magnetic solution options and initiates the solution.
MODE Specifies the harmonic loading term for this load step.
NSUBST Specifies the number of substeps to be taken this load step.
NUMEXP Specifies solutions to be expanded from reduced analyses.
TIME Sets the time for a load step.
TREF Defines the reference temperature for the
thermal strain
calculations.
TSRES Defines an array of keytimes at which the time-stepping strategy changes.
UPCOORD Modifies the coordinates of the active set of nodes, based on the current displacements.
USRCAL Allows user-solution subroutines to be activated or deactivated.
These SOLUTION commands are used to define constraints on the solid model.
DA Defines symmetry or antisymmetry DOF constraints on areas.
DADELE Deletes DOF constraints on an area.
DALIST Lists the DOF constraints on an area.
DK Defines DOF constraints at keypoints.
DKDELE Deletes DOF constraints at a keypoint.
DKLIST Lists the DOF constraints at keypoints.
DL Defines symmetry or antisymmetry DOF constraints on lines.
DLDELE Deletes DOF constraints on a line.
DLLIST Lists DOF constraints on a line.
DTRAN Transfers solid model DOF constraints to the finite element model.
These SOLUTION commands are used to define forces on the solid model.
FK Defines force loads at keypoints.
FKDELE Deletes force loads at a keypoint.
FKLIST Lists the forces at keypoints.
FTRAN Transfers solid model forces to the finite element model.
Table 2-6i Solid Surface Loads
These SOLUTION commands are used to define surface loads on the solid model.
PORTOPT Specifies a time-harmonic guided
wave excitation for a waveguide
port.
SFA Specifies surface loads on the selected areas.
SFADELE Deletes surface loads from areas.
SFALIST Lists the surface loads for the specified area.
SFL Specifies surface loads on lines of an area.
SFLDELE Deletes surface loads from lines.
SFLLIST Lists the surface loads for lines.
SFTRAN Transfer the solid model surface loads to the finite element model.
These SOLUTION commands are used to define body loads on the solid model.
BFA Defines a body force load on an area.
BFADELE Deletes body force loads on an area.
BFALIST Lists the body force loads on an area.
BFK Defines a body force load at a keypoint.
BFKDELE Deletes body force loads at a keypoint.
BFKLIST Lists the body force loads at keypoints.
BFL Defines a body force load on a line.
BFLDELE Deletes body force loads on a line.
BFLLIST Lists the body force loads on a line.
BFTRAN Transfers solid model body force loads to the finite element model.
BFV Defines a body force load on a volume.
BFVDELE Deletes body force loads on a volume.
BFVLIST Lists the body force loads on a volume.
These SOLUTION commands are used to define inertial loads on the model.
ACEL Specifies the linear acceleration of the structure.
CGLOC Specifies the origin location of the acceleration coordinate system.
CGOMGA Specifies the rotational velocity of the global origin.
DCGOMG Specifies the rotational acceleration of the global origin.
DOMEGA Specifies the rotational acceleration of the structure.
IRLF Specifies that inertia relief calculations are to be performed.
OMEGA Specifies the rotational velocity of the structure.
Table 2-6l Miscellaneous Loads
These SOLUTION commands are for miscellaneous load definition and control.
BIOT Calculates the Biot-Savart source magnetic field intensity.
FMAGBC Applies force and torque boundary
conditions to an element
component.
IC Specifies initial conditions at nodes.
ICDELE Deletes initial conditions at nodes.
ICLIST Lists the initial conditions.
MPCHG Changes the material number attribute of an element.
OUTPR Controls the solution printout.
OUTRES Controls the solution data written to the database.
PLANEWAVE Specifies a free-space time-harmonic electromagnetic wave.
SBCLIST Lists solid model boundary conditions.
SBCTRAN Transfers solid model loads and
boundary conditions to the FE
model.
Table 2-6m Load Step Operations
These SOLUTION commands are used to write and solve multiple load steps.
LSCLEAR Clears loads and load step options from the database.
LSDELE Deletes load step files.
LSREAD Reads load and load step option data into the database.
LSSOLVE Reads and solves multiple load steps.
LSWRITE Writes load and load step option data to a file.
These SOLUTION commands are used to define master degrees of freedom.
M Defines master degrees of freedom for reduced analyses.
MDELE Deletes master degrees of freedom.
MGEN Generates additional MDOF from a previously defined set.
MLIST Lists the MDOF of freedom.
TOTAL Specifies automatic MDOF generation.
These SOLUTION commands are used to define gaps for transient dynamic analyses.
GP Defines a gap condition for transient analyses.
GPDELE Deletes gap conditions.
GPLIST Lists the gap conditions.
These SOLUTION commands are used for the birth and death option for elements.
EALIVE Reactivates an element (for the birth and death capability).
EKILL Deactivates an element (for the birth and death capability).
ESTIF Specifies the matrix multiplier for deactivated elements.
These SOLUTION commands are used to define constraints on the finite element model.
D Defines DOF constraints at nodes.
DCUM Specifies that DOF constraint values are to be accumulated.
DDELE Deletes degree of freedom constraints.
DLIST Lists DOF constraints.
DSCALE Scales DOF constraint values.
DSYM Specifies symmetry or antisymmetry DOF constraints on nodes.
LDREAD Reads results from the results file and applies them as loads.
These SOLUTION commands are used to define nodal loads on the finite element model.
F Specifies force loads at nodes.
FCUM Specifies that force loads are to be accumulated.
FDELE Deletes force loads on nodes.
FLIST Lists force loads on the nodes.
FSCALE Scales force load values in the database.
These SOLUTION commands are used to define surface loads on the finite element model.
SF Specifies surface loads on nodes.
SFBEAM Specifies surface loads on beam elements.
SFCUM Specifies that surface loads are to be accumulated.
SFDELE Deletes surface loads.
SFE Specifies surface loads on elements.
SFEDELE Deletes surface loads from elements.
SFELIST Lists the surface loads for elements.
SFFUN Specifies a varying surface load.
SFGRAD Specifies a gradient (slope) for surface loads.
SFLIST Lists surface loads.
SFSCALE Scales surface loads on elements.
These SOLUTION commands are used to define body loads on the finite element model.
BF Defines a nodal body force load.
BFCUM Specifies that nodal body force loads are to be accumulated.
BFDELE Deletes nodal body force loads.
BFE Defines an element body force load.
BFECUM Specifies whether to ignore subsequent element body force loads.
BFEDELE Deletes element body force loads.
BFELIST Lists the element body force loads.
BFESCAL Scales element body force loads.
BFLIST Lists the body force loads on nodes.
BFSCALE Scales body force loads at nodes.
BFUNIF Assigns a uniform body force load to all nodes.
LDREAD Reads results from the results file and applies them as loads.
RIMPORT Imports initial stresses from an explicit run into ANSYS.
TUNIF Assigns a uniform temperature to all nodes.
These SOLUTION commands are for use with the STAT command.
ATYPE Specifies "Analysis types" as the subsequent status topic.
BIOOPT Specifies "Biot-Savart options" as the subsequent status topic.
DEACT Specifies "Element birth and death" as the subsequent status topic.
DYNOPT Specifies "Dynamic analysis options" as
the subsequent status
topic.
GAP Specifies "Reduced transient gap conditions" as the subsequent status topic.
GENOPT Specifies "General options" as the subsequent status topic.
INRTIA Specifies "Inertial loads" as the subsequent status topic.
LSOPER Specifies "Load step operations" as the subsequent status topic.
MASTER Specifies "Master DOF" as the subsequent status topic.
NLOPT Specifies "Nonlinear analysis options" as
the subsequent status
topic.
OUTOPT Specifies "Output options" as the subsequent status topic.
SMBODY Specifies "Body loads on the solid
model" as the subsequent status
topic.
SMCONS Specifies "Constraints on the solid
model" as the subsequent status
topic.
SMFOR Specifies "Forces on the solid model" as
the subsequent status
topic.
SMSURF Specifies "Surface loads on the solid model" as the subsequent status topic.
SOLUOPT Specifies "Solution options" as the subsequent status topic.
SPTOPT Specifies "Spectrum analysis options" as
the subsequent status
topic.
These SOLUTION commands are used for an explicit dynamics analysis.
EDBVIS Specifies global bulk viscosity coefficients for an explicit dynamics analysis.
EDCPU Specifies CPU time limit for an explicit dynamics analysis.
EDCSC Specifies whether to use subcycling in an
explicit dynamics
analysis.
EDCTS Specifies mass scaling and scale factor of computed time step for an explicit dynamics analysis.
EDDAMP Defines mass weighted (Alpha) or stiffness weighted (Beta) damping for an explicit dynamics model.
EDDRELAX Activates initialization to a prescribed geometry or dynamic relaxation for the explicit analysis.
EDENERGY Specifies energy dissipation
controls for an explicit dynamics
analysis.
EDFPLOT Allows plotting of explicit dynamics forces.
EDHGLS Specifies the hourglass coefficient for an explicit dynamics analysis.
EDHIST Specifies time-history output for an explicit dynamics analysis.
EDHTIME Specifies the time-history output
interval for an explicit dynamics
analysis.
EDINT Specifies number of integration points for
explicit shell and beam
output.
EDIVELO Specifies initial velocities for an explicit dynamics analysis.
EDLDPLOT Produces a visual presentation for the dynamic load curve.
EDLOAD Specifies loads for an explicit dynamics analysis.
EDOPT Specifies the type of output for an explicit dynamics analysis.
EDOUT Specifies time-history output (ASCII format) for an explicit dynamics analysis.
EDRST Specifies the output interval for an explicit dynamics analysis.
EDSHELL Specifies shell computation controls
for an explicit dynamics
analysis.
EDSOLV Specifies "explicit dynamics solution" as
the subsequent status
topic.
EDSTART Specifies status (new or restart) of an explicit dynamics analysis.
EDWRITE Writes explicit dynamics input to an LS-DYNA input file and organizes parts for loading.
REXPORT Exports displacements from an implicit run to ANSYS/LS-DYNA.
These SOLUTION commands are used for a FLOTRAN analysis.
FLOCHECK Sets up and runs a zero-iteration FLOTRAN analysis.