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.

Notes

This object can be accessed by:

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

Attributes:

components: CompositeDampingComponentArray: A CompositeDampingComponentArray object.

CompositeDampingComponent#

class CompositeDampingComponent[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

CompositeDampingComponentArray#

class CompositeDampingComponentArray(iterable=(), /)[source]

Methods

findAt

Control#

class Control[source]

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

Notes

This object can be accessed by:

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

Methods

setValues([allowPropagation, ...])

This method modifies the Control object.

DirectDamping#

class DirectDamping[source]

A DirectDamping object contains direct modal damping parameters.

Notes

This object can be accessed by:

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

Attributes:

components: DirectDampingComponentArray: A DirectDampingComponentArray object.

DirectDampingByFrequency#

class DirectDampingByFrequency[source]

A DirectDampingByFrequency object contains direct damping parameters.

Notes

This object can be accessed by:

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

Attributes:

components: DirectDampingByFrequencyComponentArray: A DirectDampingByFrequencyComponentArray object.

DirectDampingByFrequencyComponent#

class DirectDampingByFrequencyComponent[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

DirectDampingByFrequencyComponentArray#

class DirectDampingByFrequencyComponentArray(iterable=(), /)[source]

Methods

findAt

DirectDampingComponent#

class DirectDampingComponent[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

DirectDampingComponentArray#

class DirectDampingComponentArray(iterable=(), /)[source]

Methods

findAt

EmagTimeHarmonicFrequency#

class EmagTimeHarmonicFrequency[source]

Notes

This object can be accessed by:

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

Attributes:

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

EmagTimeHarmonicFrequencyArray#

class EmagTimeHarmonicFrequencyArray(iterable=(), /)[source]

Methods

findAt

MassScaling#

class MassScaling[source]

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

Notes

This object can be accessed by:

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

Attributes:

objective: SymbolicConstant: 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: SymbolicConstant: 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.
type: SymbolicConstant: A SymbolicConstant specifying the type of scaling. Possible values are UNIFORM, BELOW_MIN, SET_EQUAL_DT, and ROLLING. The default value is BELOW_MIN.
factor: float: A Float specifying a scaling factor.
dt: float: A Float specifying a target time increment.
frequency: int: An Int specifying the frequency at which mass scaling calculations are performed.
numberInterval: int: An Int specifying the number of intervals at which mass scaling calculations are performed.
feedRate: float: A Float specifying the estimated average velocity of the workpiece in the rolling direction at steady-state conditions.
extrudedLength: float: A Float specifying the average element length in the extruded direction.
crossSection: int: An Int specifying the number of nodes in the cross-section of the workpiece.
direction: SymbolicConstant: A SymbolicConstant specifying the rolling direction. Possible values are GLOBAL_X, GLOBAL_Y, GLOBAL_Z, and GLOBAL_NONE. The default value is GLOBAL_X.
region: SymbolicConstant: The SymbolicConstant MODEL or a Region object specifying where the mass scaling is applied. The default value is MODEL.

MassScalingArray#

class MassScalingArray(iterable=(), /)[source]

Methods

findAt

RandomResponseFrequency#

class RandomResponseFrequency[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

RandomResponseFrequencyArray#

class RandomResponseFrequencyArray(iterable=(), /)[source]

Methods

findAt

RayleighDamping#

class RayleighDamping[source]

A RayleighDamping object contains Rayleigh Damping parameters.

Notes

This object can be accessed by:

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

Attributes:

components: RayleighDampingComponentArray: A RayleighDampingComponentArray object.

RayleighDampingByFrequency#

class RayleighDampingByFrequency[source]

A RayleighDampingByFrequency object contains Rayleigh Damping parameters.

Notes

This object can be accessed by:

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

Attributes:

components: RayleighDampingByFrequencyComponentArray: A RayleighDampingByFrequencyComponentArray object.

RayleighDampingByFrequencyComponent#

class RayleighDampingByFrequencyComponent[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

RayleighDampingByFrequencyComponentArray#

class RayleighDampingByFrequencyComponentArray(iterable=(), /)[source]

Methods

findAt

RayleighDampingComponent#

class RayleighDampingComponent[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

RayleighDampingComponentArray#

class RayleighDampingComponentArray(iterable=(), /)[source]

Methods

findAt

ResponseSpectrumComponent#

class ResponseSpectrumComponent[source]

A ResponseSpectrumComponent is an element of the ResponseSpectrumComponentArray.

Notes

This object can be accessed by:

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

Attributes:

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

ResponseSpectrumComponentArray#

class ResponseSpectrumComponentArray(iterable=(), /)[source]

Methods

findAt

SolverControl#

class SolverControl[source]

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

Notes

This object can be accessed by:

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

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.

Notes

This object can be accessed by:

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

Attributes:

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

SteadyStateDirectFrequencyArray#

class SteadyStateDirectFrequencyArray(iterable=(), /)[source]

Methods

findAt

SteadyStateModalFrequency#

class SteadyStateModalFrequency[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

SteadyStateModalFrequencyArray#

class SteadyStateModalFrequencyArray(iterable=(), /)[source]

Methods

findAt

SteadyStateSubspaceFrequency#

class SteadyStateSubspaceFrequency[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

SteadyStateSubspaceFrequencyArray#

class SteadyStateSubspaceFrequencyArray(iterable=(), /)[source]

Methods

findAt

StructuralDamping#

class StructuralDamping[source]

A StructuralDamping object contains structural damping parameters.

Notes

This object can be accessed by:

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

Attributes:

components: StructuralDampingComponentArray: A StructuralDampingComponentArray object.

StructuralDampingByFrequency#

class StructuralDampingByFrequency[source]

A StructuralDampingByFrequency object contains structural damping parameters.

Notes

This object can be accessed by:

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

Attributes:

components: StructuralDampingByFrequencyComponentArray: A StructuralDampingByFrequencyComponentArray object.

StructuralDampingByFrequencyComponent#

class StructuralDampingByFrequencyComponent[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

StructuralDampingByFrequencyComponentArray#

class StructuralDampingByFrequencyComponentArray(iterable=(), /)[source]

Methods

findAt

StructuralDampingComponent#

class StructuralDampingComponent[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

StructuralDampingComponentArray#

class StructuralDampingComponentArray(iterable=(), /)[source]

Methods

findAt

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.

Notes

This object can be accessed by:

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

Attributes:

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

SubstructureGenerateFrequencyArray#

class SubstructureGenerateFrequencyArray(iterable=(), /)[source]

Methods

findAt

SubstructureGenerateModes#

class SubstructureGenerateModes[source]

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

Notes

This object can be accessed by:

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

Attributes:

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

SubstructureGenerateModesArray#

class SubstructureGenerateModesArray(iterable=(), /)[source]

Methods

findAt