Step Miscellaneous¶

Miscellaneous Step commands are used for configuring controls, damping, and frequency tables.

Other Classes¶

class CompositeDamping[source]¶

Bases: object

A CompositeDamping object contains composite modal damping parameters.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].compositeDamping

Note

Check CompositeDamping on help.3ds.com/2020.

Member Details:

components : --is-rst--:py:class:`~typing.List`\ \[:py:class:`~abaqus.StepMiscellaneous.CompositeDampingComponent.CompositeDampingComponent`] = [][source]¶: A CompositeDampingComponentArray object.

class CompositeDampingComponent[source]¶

Bases: object

A CompositeDampingComponent object is used to define composite damping over a range of modes.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].compositeDamping.components[i]

Note

Check CompositeDampingComponent on help.3ds.com/2020.

Member Details:

end : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the highest mode of a range.

start : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the lowest mode of a range.

class Control[source]¶

Bases: object

The Control object is used to provide additional optional general solution controls.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].control

Note

Check Control on help.3ds.com/2020.

Member Details:

setValues( allowPropagation=1, resetDefaultValues=0, discontinuous=0, constraints=DEFAULT, lineSearch=DEFAULT, timeIncrementation=DEFAULT, directCyclic=DEFAULT, concentrationField=DEFAULT, displacementField=DEFAULT, electricalPotentialField=DEFAULT, globalField=DEFAULT, hydrostaticFluidPressureField=DEFAULT, poreFluidPressureField=DEFAULT, rotationField=DEFAULT, temperatureField=DEFAULT, vcctLinearScaling=DEFAULT, )[source]¶

This method modifies the Control object.

Note

Check Control.setValues on help.3ds.com/2020.

Parameters:¶

allowPropagation=1¶: A Boolean specifying whether to allow all control values to propagate from a previous step. Setting this argument to ON automatically sets resetDefaultValues to OFF. The default value is ON.
resetDefaultValues=0¶: A Boolean specifying whether to use all default control values. Setting this argument to ON automatically sets allowPropagation to OFF. The default value is OFF.
discontinuous=0¶: A Boolean specifying whether to set timeIncrementation values that will usually improve efficiency for analyses with severely discontinuous behavior. The default value is OFF.
constraints=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying tolerances on constraint equations. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
lineSearch=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying line search control parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
timeIncrementation=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying time incrementation control parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
directCyclic=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying direct cyclic control parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
concentrationField=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying mass concentration field equilibrium equation parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
displacementField=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying displacement field and warping degree of freedom field equilibrium equation parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
electricalPotentialField=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying electrical potential field equilibrium equation parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
globalField=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying parameters for all applicable field equilibrium equations. This argument overwrites all other field equilibrium equation control values. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
hydrostaticFluidPressureField=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying hydrostatic fluid element volume constraint parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
poreFluidPressureField=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying pore liquid volumetric continuity equilibrium equation parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
rotationField=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying rotation field equilibrium equation parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
temperatureField=DEFAULT¶: The SymbolicConstant DEFAULT or a sequence of Floats specifying temperature field equilibrium equation parameters. If a specified sequence contains a value of 0, that item in the sequence will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.
vcctLinearScaling=DEFAULT¶: The SymbolicConstant DEFAULT or a Float specifying linear scaling parameter for a VCCT debonding analysis. If a specified value is 0, it will be set to its system-defined value. The value can also be the SymbolicConstant DEFAULT. The default value is DEFAULT.

Raises:¶

RangeError –

class DirectDamping[source]¶

Bases: object

A DirectDamping object contains direct modal damping parameters.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].directDamping

Note

Check DirectDamping on help.3ds.com/2020.

Member Details:

components : --is-rst--:py:class:`~typing.List`\ \[:py:class:`~abaqus.StepMiscellaneous.DirectDampingComponent.DirectDampingComponent`] = [][source]¶: A DirectDampingComponentArray object.

class DirectDampingByFrequency[source]¶

Bases: object

A DirectDampingByFrequency object contains direct damping parameters.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].directDampingByFrequency

Note

Check DirectDampingByFrequency on help.3ds.com/2020.

Member Details:

components : --is-rst--:py:class:`~typing.List`\ \[:py:class:`~abaqus.StepMiscellaneous.DirectDampingByFrequencyComponent.DirectDampingByFrequencyComponent`] = [][source]¶: A DirectDampingByFrequencyComponentArray object.

class DirectDampingByFrequencyComponent[source]¶

Bases: object

A DirectDampingByFrequencyComponent object is used to define direct damping over a range of frequencies.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].directDampingByFrequency.components[i]

Note

Check DirectDampingByFrequencyComponent on help.3ds.com/2020.

Member Details:

fraction : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the fraction of critical damping.

frequency : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the frequency value in cycles/time.

class DirectDampingComponent[source]¶

Bases: object

A DirectDampingComponent object is used to define direct damping over a range of modes.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].directDamping.components[i]

Note

Check DirectDampingComponent on help.3ds.com/2020.

Member Details:

end : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the highest mode of a range.

fraction : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the fraction of critical damping.

start : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the lowest mode of a range.

class EmagTimeHarmonicFrequency[source]¶

Bases: object

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].frequencyRange[i]

Note

Check EmagTimeHarmonicFrequency on help.3ds.com/2020.

Member Details:

lower : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the lower limit of frequency range or a single frequency, in cycles/time.

nPoints : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the number of points in the frequency range at which results should be given.

upper : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the upper limit of frequency range, in cycles/time.

class MassScaling[source]¶

Bases: object

A MassScaling object defines the region and controls that govern mass scaling.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].massScaling[i]

Note

Check MassScaling on help.3ds.com/2020.

Member Details:

crossSection : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the number of nodes in the cross-section of the workpiece.

direction : --is-rst--:py:class:`~abaqus.UtilityAndView.SymbolicConstant.SymbolicConstant` = 'GLOBAL_X'[source]¶: A SymbolicConstant specifying the rolling direction. Possible values are GLOBAL_X, GLOBAL_Y, GLOBAL_Z, and GLOBAL_NONE. The default value is GLOBAL_X.

dt : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying a target time increment.

extrudedLength : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the average element length in the extruded direction.

factor : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying a scaling factor.

feedRate : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the estimated average velocity of the workpiece in the rolling direction at steady-state conditions.

frequency : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the frequency at which mass scaling calculations are performed.

numberInterval : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the number of intervals at which mass scaling calculations are performed.

objective : --is-rst--:py:class:`~abaqus.UtilityAndView.SymbolicConstant.SymbolicConstant` = 'SEMI_AUTOMATIC'[source]¶: A SymbolicConstant specifying the objective of the mass scaling definition. Possible values are SEMI_AUTOMATIC, AUTOMATIC, and REINITIALIZE. The default value is SEMI_AUTOMATIC.

occurs : --is-rst--:py:class:`~abaqus.UtilityAndView.SymbolicConstant.SymbolicConstant`[source]¶: A SymbolicConstant specifying whether mass scaling should be performed at the beginning of the step or throughout the step. Possible values are AT_BEGINNING and THROUGHOUT_STEP.

region : --is-rst--:py:class:`~abaqus.UtilityAndView.SymbolicConstant.SymbolicConstant` = 'MODEL'[source]¶: The SymbolicConstant MODEL or a Region object specifying where the mass scaling is applied. The default value is MODEL.

type : --is-rst--:py:class:`~abaqus.UtilityAndView.SymbolicConstant.SymbolicConstant` = 'BELOW_MIN'[source]¶: A SymbolicConstant specifying the type of scaling. Possible values are UNIFORM, BELOW_MIN, SET_EQUAL_DT, and ROLLING. The default value is BELOW_MIN.

class RandomResponseFrequency[source]¶

Bases: object

A RandomResponseFrequency is an object used to define frequency over a range of modes. This page discusses:

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].freq[i]

Note

Check RandomResponseFrequency on help.3ds.com/2020.

Member Details:

bias : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the bias parameter.

lower : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the lower limit of the frequency range in cycles per time.

nCalcs : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the number of points between eigenfrequencies at which the response should be calculated.

upper : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the upper limit of the frequency range in cycles per time.

class RayleighDamping[source]¶

Bases: object

A RayleighDamping object contains Rayleigh Damping parameters.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].rayleighDamping

Note

Check RayleighDamping on help.3ds.com/2020.

Member Details:

components : --is-rst--:py:class:`~typing.List`\ \[:py:class:`~abaqus.StepMiscellaneous.RayleighDampingComponent.RayleighDampingComponent`] = [][source]¶: A RayleighDampingComponentArray object.

class RayleighDampingByFrequency[source]¶

Bases: object

A RayleighDampingByFrequency object contains Rayleigh Damping parameters.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].rayleighDampingByFrequency

Note

Check RayleighDampingByFrequency on help.3ds.com/2020.

Member Details:

components : --is-rst--:py:class:`~typing.List`\ \[:py:class:`~abaqus.StepMiscellaneous.RayleighDampingByFrequencyComponent.RayleighDampingByFrequencyComponent`] = [][source]¶: A RayleighDampingByFrequencyComponentArray object.

class RayleighDampingByFrequencyComponent[source]¶

Bases: object

A RayleighDampingByFrequencyComponent object is used to define Rayleigh damping over a range of frequencies.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].rayleighDampingByFrequency.components[i]

Note

Check RayleighDampingByFrequencyComponent on help.3ds.com/2020.

Member Details:

alpha : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the mass proportional damping, αM.

beta : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the stiffness proportional damping, βM.

frequency : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the frequency value in cycles/time.

class RayleighDampingComponent[source]¶

Bases: object

A RayleighDampingComponent object is used to define Rayleigh damping over a range of modes.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].rayleighDamping.components[i]

Note

Check RayleighDampingComponent on help.3ds.com/2020.

Member Details:

alpha : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the mass proportional damping, αM.

beta : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the stiffness proportional damping, βM.

end : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the highest mode of a range.

start : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the lowest mode of a range.

class ResponseSpectrumComponent[source]¶

Bases: object

A ResponseSpectrumComponent is an element of the ResponseSpectrumComponentArray.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].components[i]

Note

Check ResponseSpectrumComponent on help.3ds.com/2020.

Member Details:

respSpectrum : --is-rst--:py:class:`str` = ''[source]¶: A String specifying the name of the response spectrum specified with the keyword SPECTRUM.

scale : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the scale factor.

timeDuration : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the time duration of the dynamic event, from which this spectrum was created. Note: This parameter is ignored unless used with the DSC modal summation rule.

x : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the X direction cosine.

y : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the Y direction cosine.

z : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the Z direction cosine.

class SolverControl[source]¶

Bases: object

The SolverControl object is used to provide additional optional solver controls.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].solverControl

Note

Check SolverControl on help.3ds.com/2020.

Member Details:

setValues( allowPropagation=1, resetDefaultValues=0, relativeTolerance=DEFAULT, maxIterations=DEFAULT, fillInLevel=DEFAULT, )[source]¶

This method modifies the SolverControl object.

Note

Check SolverControl.setValues on help.3ds.com/2020.

Parameters:¶

allowPropagation=1¶: A Boolean specifying whether to allow all solver control values to propagate from a previous step. Setting this argument to ON automatically sets resetDefaultValues to OFF. The default value is ON.
resetDefaultValues=0¶: A Boolean specifying whether to use all default solver control values. Setting this argument to ON automatically sets allowPropagation to OFF. The default value is OFF.
relativeTolerance=DEFAULT¶: The SymbolicConstant DEFAULT or a Float specifying the relative tolerance for convergence of the domain decomposition iterative solver. The default value is DEFAULT.
maxIterations=DEFAULT¶: The SymbolicConstant DEFAULT or an Int specifying the maximum number of linear solver iterations. The default value is DEFAULT.
fillInLevel=DEFAULT¶: The SymbolicConstant DEFAULT or an Int specifying the incomplete LU factorization fill-in level (for geostatic and soil analysis only). The default value is DEFAULT.

Raises:¶

RangeError –

class SteadyStateDirectFrequency[source]¶

Bases: object

A SteadyStateDirectFrequency is an object used to define frequency over range of modes.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].frequencyRange[i]

Note

Check SteadyStateDirectFrequency on help.3ds.com/2020.

Member Details:

bias : --is-rst--:py:class:`float` = 3[source]¶: A Float specifying the Bias parameter. When results are requested at four or more frequency points, Abaqus biases the results toward the ends of the intervals to obtain better resolution. The default value is 3.0.

lower : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the lower limit of frequency range or a single frequency, in cycles/time.

nPoints : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the number of points in the frequency range at which results should be given.

upper : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the upper limit of frequency range, in cycles/time.

class SteadyStateModalFrequency[source]¶

Bases: object

A SteadyStateModalFrequency is an object used to define frequency over a range of modes.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].frequencyRange[i]

Note

Check SteadyStateModalFrequency on help.3ds.com/2020.

Member Details:

bias : --is-rst--:py:class:`float` = 3[source]¶: A Float specifying the bias parameter. When results are requested at four or more frequency points, Abaqus biases the results toward the ends of the intervals to obtain better resolution. The default value is 3.0.

lower : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the lower limit of frequency range or a single frequency, in cycles/time.

nPoints : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the number of points in the frequency range at which results should be given.

upper : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the upper limit of frequency range, in cycles/time.

class SteadyStateSubspaceFrequency[source]¶

Bases: object

A SteadyStateSubspaceFrequency is an object used to define frequency over range of modes.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].frequencyRange[i]

Note

Check SteadyStateSubspaceFrequency on help.3ds.com/2020.

Member Details:

bias : --is-rst--:py:class:`float` = 3[source]¶: A Float specifying the Bias parameter. When results are requested at four or more frequency points, Abaqus biases the results toward the ends of the intervals to obtain better resolution. The default value is 3.0.

lower : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the lower limit of frequency range or a single frequency, in cycles/time.

nPoints : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the number of points in the frequency range at which results should be given.

upper : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the upper limit of frequency range, in cycles/time.

class StructuralDamping[source]¶

Bases: object

A StructuralDamping object contains structural damping parameters.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].structuralDamping

Note

Check StructuralDamping on help.3ds.com/2020.

Member Details:

components : --is-rst--:py:class:`~typing.List`\ \[:py:class:`~abaqus.StepMiscellaneous.StructuralDampingComponent.StructuralDampingComponent`] = [][source]¶: A StructuralDampingComponentArray object.

class StructuralDampingByFrequency[source]¶

Bases: object

A StructuralDampingByFrequency object contains structural damping parameters.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].structuralDampingByFrequency

Note

Check StructuralDampingByFrequency on help.3ds.com/2020.

Member Details:

components : --is-rst--:py:class:`~typing.List`\ \[:py:class:`~abaqus.StepMiscellaneous.StructuralDampingByFrequencyComponent.StructuralDampingByFrequencyComponent`] = [][source]¶: A StructuralDampingByFrequencyComponentArray object.

class StructuralDampingByFrequencyComponent[source]¶

Bases: object

A StructuralDampingByFrequencyComponent object is used to define structural damping over a range of frequencies.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].structuralDampingByFrequency.components[i]

Note

Check StructuralDampingByFrequencyComponent on help.3ds.com/2020.

Member Details:

factor : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the damping factor, s.

frequency : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the frequency value in cycles/time.

class StructuralDampingComponent[source]¶

Bases: object

A StructuralDampingComponent object is used to define structural damping over a range of modes.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].structuralDamping.components[i]

Note

Check StructuralDampingComponent on help.3ds.com/2020.

Member Details:

end : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the highest mode of a range.

factor : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the damping factor, s.

start : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the lowest mode of a range.

class SubstructureGenerateFrequency[source]¶

Bases: object

A SubstructureGenerateFrequency object is used to define the modes to be used in a modal dynamic analysis. These modes are selected from the specified frequency range including the frequency boundary.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].frequencyRange[i]

Note

Check SubstructureGenerateFrequency on help.3ds.com/2020.

Member Details:

lower : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the lower limit of the frequency range, in cycles/time.

upper : --is-rst--:py:class:`float` | :py:obj:`None` = None[source]¶: A Float specifying the upper limit of the frequency range, in cycles/time.

class SubstructureGenerateModes[source]¶

Bases: object

A SubstructureGenerateModes object is used to define the modes to be used in a modal dynamic analysis.

Note

This object can be accessed by:

import step
mdb.models[name].steps[name].modeRange[i]

Note

Check SubstructureGenerateModes on help.3ds.com/2020.

Member Details:

end : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the highest mode of a range.

increment : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the increment used to define the intermediate mode numbers beginning from the lowest mode to the highest mode.

start : --is-rst--:py:class:`int` | :py:obj:`None` = None[source]¶: An Int specifying the mode number of the lowest mode of a range.