Step Miscellaneous#

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

Object features#

CompositeDamping#

class CompositeDamping[source]

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/0.1..

Public Data Attributes:

components

A CompositeDampingComponentArray object.

CompositeDampingComponent#

class CompositeDampingComponent[source]

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/0.1..

Public Data Attributes:

`start`	An Int specifying the mode number of the lowest mode of a range.
`end`	An Int specifying the mode number of the highest mode of a range.

CompositeDampingComponentArray#

CompositeDampingComponentArray[source]: alias of List[CompositeDampingComponent]

Control#

class Control[source]

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/0.1..

Public Methods:

setValues([allowPropagation, ...])

This method modifies the Control object.

DirectDamping#

class DirectDamping[source]

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/0.1..

Public Data Attributes:

components

A DirectDampingComponentArray object.

DirectDampingByFrequency#

class DirectDampingByFrequency[source]

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/0.1..

Public Data Attributes:

components

A DirectDampingByFrequencyComponentArray object.

DirectDampingByFrequencyComponent#

class DirectDampingByFrequencyComponent[source]

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/0.1..

Public Data Attributes:

`frequency`	A Float specifying the frequency value in cycles/time.
`fraction`	A Float specifying the fraction of critical damping.

DirectDampingByFrequencyComponentArray#

DirectDampingByFrequencyComponentArray[source]: alias of List[DirectDampingByFrequencyComponent]

DirectDampingComponent#

class DirectDampingComponent[source]

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/0.1..

Public Data Attributes:

`start`	An Int specifying the mode number of the lowest mode of a range.
`end`	An Int specifying the mode number of the highest mode of a range.
`fraction`	A Float specifying the fraction of critical damping.

DirectDampingComponentArray#

DirectDampingComponentArray[source]: alias of List[DirectDampingComponent]

EmagTimeHarmonicFrequency#

class EmagTimeHarmonicFrequency[source]

Note

This object can be accessed by:

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

Note

Check EmagTimeHarmonicFrequency on help.3ds.com/0.1..

Public Data Attributes:

`lower`	A Float specifying the lower limit of frequency range or a single frequency, in cycles/time.
`upper`	A Float specifying the upper limit of frequency range, in cycles/time.
`nPoints`	An Int specifying the number of points in the frequency range at which results should be given.

EmagTimeHarmonicFrequencyArray#

EmagTimeHarmonicFrequencyArray[source]: alias of List[EmagTimeHarmonicFrequency]

MassScaling#

class MassScaling[source]

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/0.1..

Public Data Attributes:

`objective`	A SymbolicConstant specifying the objective of the mass scaling definition.
`occurs`	A SymbolicConstant specifying whether mass scaling should be performed at the beginning of the step or throughout the step.
`type`	A SymbolicConstant specifying the type of scaling.
`factor`	A Float specifying a scaling factor.
`dt`	A Float specifying a target time increment.
`frequency`	An Int specifying the frequency at which mass scaling calculations are performed.
`numberInterval`	An Int specifying the number of intervals at which mass scaling calculations are performed.
`feedRate`	A Float specifying the estimated average velocity of the workpiece in the rolling direction at steady-state conditions.
`extrudedLength`	A Float specifying the average element length in the extruded direction.
`crossSection`	An Int specifying the number of nodes in the cross-section of the workpiece.
`direction`	A SymbolicConstant specifying the rolling direction.
`region`	The SymbolicConstant MODEL or a Region object specifying where the mass scaling is applied.

MassScalingArray#

MassScalingArray[source]: alias of List[MassScaling]

RandomResponseFrequency#

class RandomResponseFrequency[source]

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/0.1..

Public Data Attributes:

`lower`	A Float specifying the lower limit of the frequency range in cycles per time.
`upper`	A Float specifying the upper limit of the frequency range in cycles per time.
`nCalcs`	An Int specifying the number of points between eigenfrequencies at which the response should be calculated.
`bias`	A Float specifying the bias parameter.

RandomResponseFrequencyArray#

RandomResponseFrequencyArray[source]: alias of List[RandomResponseFrequency]

RayleighDamping#

class RayleighDamping[source]

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/0.1..

Public Data Attributes:

components

A RayleighDampingComponentArray object.

RayleighDampingByFrequency#

class RayleighDampingByFrequency[source]

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/0.1..

Public Data Attributes:

components

A RayleighDampingByFrequencyComponentArray object.

RayleighDampingByFrequencyComponent#

class RayleighDampingByFrequencyComponent[source]

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/0.1..

Public Data Attributes:

`frequency`	A Float specifying the frequency value in cycles/time.
`alpha`	A Float specifying the mass proportional damping, αM.
`beta`	A Float specifying the stiffness proportional damping, βM.

RayleighDampingByFrequencyComponentArray#

RayleighDampingByFrequencyComponentArray[source]: alias of List[RayleighDampingByFrequencyComponent]

RayleighDampingComponent#

class RayleighDampingComponent[source]

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/0.1..

Public Data Attributes:

`start`	An Int specifying the mode number of the lowest mode of a range.
`end`	An Int specifying the mode number of the highest mode of a range.
`alpha`	A Float specifying the mass proportional damping, αM.
`beta`	A Float specifying the stiffness proportional damping, βM.

RayleighDampingComponentArray#

RayleighDampingComponentArray[source]: alias of List[RayleighDampingComponent]

ResponseSpectrumComponent#

class ResponseSpectrumComponent[source]

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/0.1..

Public Data Attributes:

`x`	A Float specifying the X-direction cosine.
`y`	A Float specifying the Y-direction cosine.
`z`	A Float specifying the Z-direction cosine.
`scale`	A Float specifying the scale factor.
`timeDuration`	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.
`respSpectrum`	A String specifying the name of the response spectrum specified with the keyword SPECTRUM.

ResponseSpectrumComponentArray#

ResponseSpectrumComponentArray[source]: alias of List[ResponseSpectrumComponent]

SolverControl#

class SolverControl[source]

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/0.1..

Public Methods:

setValues([allowPropagation, ...])

This method modifies the SolverControl object.

SteadyStateDirectFrequency#

class SteadyStateDirectFrequency[source]

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/0.1..

Public Data Attributes:

`lower`	A Float specifying the lower limit of frequency range or a single frequency, in cycles/time.
`upper`	A Float specifying the upper limit of frequency range, in cycles/time.
`nPoints`	An Int specifying the number of points in the frequency range at which results should be given.
`bias`	A Float specifying the Bias parameter.

SteadyStateDirectFrequencyArray#

SteadyStateDirectFrequencyArray[source]: alias of List[SteadyStateDirectFrequency]

SteadyStateModalFrequency#

class SteadyStateModalFrequency[source]

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/0.1..

Public Data Attributes:

`lower`	A Float specifying the lower limit of frequency range or a single frequency, in cycles/time.
`upper`	A Float specifying the upper limit of frequency range, in cycles/time.
`nPoints`	An Int specifying the number of points in the frequency range at which results should be given.
`bias`	A Float specifying the bias parameter.

SteadyStateModalFrequencyArray#

SteadyStateModalFrequencyArray[source]: alias of List[SteadyStateModalFrequency]

SteadyStateSubspaceFrequency#

class SteadyStateSubspaceFrequency[source]

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/0.1..

Public Data Attributes:

`lower`	A Float specifying the lower limit of frequency range or a single frequency, in cycles/time.
`upper`	A Float specifying the upper limit of frequency range, in cycles/time.
`nPoints`	An Int specifying the number of points in the frequency range at which results should be given.
`bias`	A Float specifying the Bias parameter.

SteadyStateSubspaceFrequencyArray#

SteadyStateSubspaceFrequencyArray[source]: alias of List[SteadyStateSubspaceFrequency]

StructuralDamping#

class StructuralDamping[source]

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/0.1..

Public Data Attributes:

components

A StructuralDampingComponentArray object.

StructuralDampingByFrequency#

class StructuralDampingByFrequency[source]

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/0.1..

Public Data Attributes:

components

A StructuralDampingByFrequencyComponentArray object.

StructuralDampingByFrequencyComponent#

class StructuralDampingByFrequencyComponent[source]

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/0.1..

Public Data Attributes:

`frequency`	A Float specifying the frequency value in cycles/time.
`factor`	A Float specifying the damping factor, s.

StructuralDampingByFrequencyComponentArray#

StructuralDampingByFrequencyComponentArray[source]: alias of List[StructuralDampingByFrequencyComponent]

StructuralDampingComponent#

class StructuralDampingComponent[source]

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/0.1..

Public Data Attributes:

`start`	An Int specifying the mode number of the lowest mode of a range.
`end`	An Int specifying the mode number of the highest mode of a range.
`factor`	A Float specifying the damping factor, s.

StructuralDampingComponentArray#

StructuralDampingComponentArray[source]: alias of List[StructuralDampingComponent]

SubstructureGenerateFrequency#

class SubstructureGenerateFrequency[source]

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/0.1..

Public Data Attributes:

`lower`	A Float specifying the lower limit of the frequency range, in cycles/time.
`upper`	A Float specifying the upper limit of the frequency range, in cycles/time.

SubstructureGenerateFrequencyArray#

SubstructureGenerateFrequencyArray[source]: alias of List[SubstructureGenerateFrequency]

SubstructureGenerateModes#

class SubstructureGenerateModes[source]

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/0.1..

Public Data Attributes:

`start`	An Int specifying the mode number of the lowest mode of a range.
`end`	An Int specifying the mode number of the highest mode of a range.
`increment`	An Int specifying the increment used to define the intermediate mode numbers beginning from the lowest mode to the highest mode.

SubstructureGenerateModesArray#

SubstructureGenerateModesArray[source]: alias of List[SubstructureGenerateModes]