Command reference help topics
Solution Step dialog box (ANSYS)
| Option | Description | Supported solutions | ANSYS Command |
|---|---|---|---|
| Description | Opens an editor that lets you enter a description for the step. | All solutions | - |
| Boundary Condition Control Variables | |||
| Evaluation Time | Specifies the value used to evaluate a time-, frequency-, or temperature-dependent boundary condition when you use the boundary condition in a solution that does not support dependent boundary conditions.The software first uses the field evaluation value for the step or subcase to determine the loading value. If no field evaluation value is defined for the step or subcase, the software uses the field evaluation value for the solution. | Linear StaticsNonlinear StaticsThermal | - |
| Evaluation Frequency | Linear StaticsNonlinear Statics | - | |
| Step-Buckling Method | |||
| Description | Opens an editor that lets you enter a description for the step. | Buckling | - |
| Modes Extraction Method | Specifies the mode extraction method to use. | Buckling | MODOPT, Method |
| Eigenvalue Generation | Controls whether you specify only the number of modes to generate or the number of modes and the frequency range. | Buckling | - |
| Number of Modes | Specifies the number of modes to extract for the step. | Buckling | MODOPT, NMODE |
| Eigenvalue Range-Lower Limit | Specifies the beginning (lower end) of the frequency range. | Buckling | MODOPT, FREQB |
| Eigenvalue Range-Upper Limit | Specifies the ending (upper end) of the frequency range. | Buckling | MODOPT, FREQE |
| Properties | |||
| Phase Angle (to define imaginary VALUE2) | Defines the amount of time by which a load lags or leads a frame of reference. | Harmonic Full MethodHarmonic Mode Superposition | VALUE2 field |
General options
| Option | Description | Supported solution types | ANSYS command |
|---|---|---|---|
| Properties | |||
| Temperature Pre-Load Type | Applies temperatures from the results of a thermal analysis as loads in a structural analysis. Select an option from the list to identify the type of source file for the results. | Linear StaticsNonlinear Statics | BFFor more information, see the ANSYS Commands Reference manual. |
| Nastran Pre-Load Results FileSimcenter 3D Thermal Pre-Load Results FileAbaqus Pre-Load Results File****ANSYS Pre-Load Results File | Lets you specify the name and location of the results file to use. | Linear StaticsNonlinear Statics | BFFor more information, see the ANSYS Commands Reference manual. |
| Force Pre-Load Type | Applies temperatures from the results of a thermal analysis as loads in a structural analysis. Select an option from the list to identify the type of source file for the results. | Linear StaticsNonlinear Statics | BFFor more information, see the ANSYS Commands Reference manual. |
| Simcenter 3D Flow Pre-Load Results File | Applies pressures and shear forces from the results of Simcenter 3D Flow analysis as loads in a structural analysis. Select an option from the list to identify the type of source file for the results. | Linear StaticsNonlinear Statics | BFFor more information, see the ANSYS Commands Reference manual. |
| Change Step Parameters | Controls whether you can change the parameters within the step. | Nonlinear Statics | - |
| Time at The End of Step (TIME) | Specifies the time at the end of the load step. | Nonlinear Statics | TIMEFor more information, see the ANSYS Commands Reference manual. |
| NSUBST | |||
| Number of Substeps (NBSTP) | Specifies the number of substeps for this load step. This defines either the time step size or the frequency increment. | Nonlinear Statics | BFFor more information, see the ANSYS Commands Reference manual. |
| **Minimum Number of Substeps (NSBMN)**Maximum Number of Substeps (NSBM) | Specifies the minimumand maximum number of substeps for this load stope. | Nonlinear Statics | - |
Output controls page options
| Option | Description | Supported solution types | ANSYS command |
|---|---|---|---|
| Change output controls | When selected, enables you to modify the output controls for the step.Clear this check box to use the output controls defined for the solution. | Linear StaticsNonlinear Statics | N/A |
| Alternative Output Controls | Controls whether you define the output options for the step as a modeling object. | All solutions except for Modal Flexible Body. | N/A |
| Output controls→Results file (OUTRES) | |||
| Results item (OUTRES,Item) | Linear StaticsNonlinear Statics | OUTRES,ALLOUTRES,BASICOUTRES,NSOLOUTRES,RSOLOUTRES,ESOLFor more information, see the ANSYS Commands Reference manual. | |
| Solutions output frequency (OUTRES,,Freq) | Linear StaticsNonlinear Statics | OUTRES,,FreqFor more information, see the ANSYS Commands Reference manual. | |
| Default Frequency (OUTRES,,Freq) | Linear StaticsNonlinear Statics | OUTRES,,FreqFor more information, see the ANSYS Commands Reference manual. | |
| Output controls→Solution Printout (OUTPR) | |||
| Same as Results file | When selected, sets the solution printout options to be the same as the results file options. | Linear StaticsNonlinear Statics | - |
| Results item (OUTPR,Item) | Linear StaticsNonlinear Statics | OUTPR,BASICOUTPR,NSOLOUTPR,RSOLOUTPR,ESOLOUTPR,NLOADOUTPR,VENGOUTPR,ALLFor more information, see the ANSYS Commands Reference manual. | |
| Solutions output frequency (OUTPR,,Freq) | Controls at which substeps the software writes the solution results you selected from theResults item list.NONE: Suppresses the writing of the specified results for all substeps.ALL: Writes the specified results for all substeps.LAST: Writes the specified results only for the last substep for each step.Specify: Lets you write the specified results at every nth substep as well as the last substep, where n is the value you enter in the Default Frequency box. | Linear StaticsNonlinear Statics | OUTPR,,FreqFor more information, see the ANSYS Commands Reference manual. |
| Default Frequency (OUTPR,,Freq) | If you select Specify from the Solution output frequency list, lets you specify that you want to write the results at every nth substep where n is the value you enter here. | Linear StaticsNonlinear Statics | OUTPR,,Freq, nFor more information, see the ANSYS Commands Reference manual. |
Contact options (Available for steps in Nonlinear Statics analyses only)
| Change Normal Penalty Stiffness (FKN) | |
|---|---|
| Change Normal Penalty Stiffness | Select this check box to modify the value of the normal penalty (contact) stiffness (FKN real constant) in this step.For certain contact problems, you may choose to use the real constant FKN to define a normal contact stiffness factor. The usual factor range is from 0.01-1.0, with a default of 1.0. The default value is appropriate for bulk deformation. If bending deformation dominates, you should use a smaller value (0.1). For more information, see the ANSYS Contact Technology Guide. |
| New Value | Specify the value to use for the FKN real constant in this step. |
| Applied to all Regions | Select this option to apply the new FKN value to all regions in the model. |
| Select a Region | Select this option to apply the new FKN value only to selected regions. |
| Change Penetration Tolerance (FTOLN) | |
| Change Penetration Tolerance | Select this check box to modify the penetration tolerance in this step.When you are using the Augmented Lagrangian contact algorithm, the software uses the penetration tolerance to calculate the allowable penetration. The typical range for this value is <1.0.For more information, see the ANSYS Contact Technology Guide. |
| New Value | Specify the value to use for the FTOLN real constant in this step. |
| Applied to all Regions | Select this option to apply the new FTOLN value to all regions in the model. |
| Select a Region | Select this option to apply the new FTOLN value only to selected regions. |
| Change Pinball Region (PINB) | |
| Change Pinball Region | Select this check box to modify the value of the pinball region scaling factor (PINB real constant) in this step.In ANSYS analyses, the pinball region is a contact element parameter that differentiates between far field open and near field open contact status. The pinball region is like a spherical boundary that surrounds each contact detection point. You can use the real constant PINB to define a scaling factor or absolute value for the pinball region.For more information, see the ANSYS Contact Technology Guide. |
| New Value | Specify the value to use for the PINB real constant in this step. |
| Applied to all Regions | Select this option to apply the new PINB value to all regions in the model. |
| Select a Region | Select this option to apply the new PINB value only to selected regions. |
| Change Contact Opening Stiffness or Contact Damping (FKOP) | |
| Change Contact Opening Stiffness or Contact Damping | Select this check box to modify the contact opening stiffness value or the contact damping coefficient (FKOP real constant) in this step.For the no separation or bonded contact surface interaction model, FKOP is the stiffness factor applied when contact opens.For the standard or rough contact surface interaction models, FKOP is a contact damping coefficient.For more information, see the ANSYS Contact Technology Guide. |
| New Value | Specify the value to use for the FKOP real constant in this step. |
| Applied to all Regions | Select this option to apply the new FKOP value to all regions in the model. |
| Select a Region | Select this option to apply the new FKOP value only to selected regions. |
Cumulative Load options
| Option | Description | Supported solutions | ANSYS Command |
|---|---|---|---|
| FCUM Command | |||
| Forces/Moments in this step will | Controls how the software accumulates force loads. | Linear Statics | FCUM: OperFor more information, see the ANSYS Command Reference manual. |
| Scale Factor (RFACT) | Lets you specify a scale factor that the software applies to the next load value. | Linear Statics | FCUM: RFACTFor more information, see the ANSYS Command Reference manual. |
| SFCUM Command | |||
| Surface loads in this step will | Controls how the software accumulates surface loads. | Linear Statics | SFCUM: OperFor more information, see the ANSYS Command Reference manual. |
| Scale Factor (FACT) | Lets you specify a scale factor that the software applies to the next load value. | Linear Statics | SFCUM: FACTFor more information, see the ANSYS Command Reference manual. |
| BFCUM Command | |||
| Body loads in this step will | Controls how the software accumulates nodal body force loads. | Linear Statics | BFCUM: OperFor more information, see the ANSYS Command Reference manual. |
| Scale Factor (FACT) | Lets you specify a scale factor that the software applies to the next load value. | Linear Statics | BFCUM: FACTFor more information, see the ANSYS Command Reference manual. |
| Temperature adjustment (TBASE) | Controls the temperature adjustment the software makes when adding or replacing nodal body force loads. | Linear Statics | BFCUM: TBASEFor more information, see the ANSYS Command Reference manual. |
| BFECUM Command | |||
| Surface loads in this step will | Controls how the software accumulates element body loads. | Linear Statics | BFECUM: OperFor more information, see the ANSYS Command Reference manual. |
| Scale Factor (FACT) | Lets you specify a scale factor that the software applies to the next load value. | Linear Statics | BFECUM: FACTFor more information, see the ANSYS Command Reference manual. |
Delete Load page options
| Option | Description | Supported solution types | ANSYS Command |
|---|---|---|---|
| DDELE Command | |||
| DOF constraints at the end of this step | Controls whether DOF constraints will be kept or deleted at the end of the current load step. | Nonlinear StaticsThermal | DDELEFor more information, see the ANSYS Command Reference manual. |
| FDELE Command | |||
| Forces/Moments at the end of this step | Controls whether forces and moments will be kept or deleted at the end of the current load step. | Linear StaticsNonlinear StaticsThermal | FDELEFor more information, see the ANSYS Command Reference manual. |
| BFDELE Command | |||
| Body Loads at the end of this step | Controls whether body loads will be kept or deleted at the end of the current load step. | Linear StaticsNonlinear StaticsThermal | BFDELEFor more information, see the ANSYS Command Reference manual. |
| BFEDELE Command | |||
| Element body loads at the end of this step | Controls whether element body loads will be kept or deleted at the end of the current load step. | Linear StaticsNonlinear StaticsThermal | BFEDELEFor more information, see the ANSYS Command Reference manual. |
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Solution Step dialog box (ANSYS), Simcenter 3D 2021.1 Series
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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/id1396882 · retrieved 2026-07-17