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 # `MomentOfInertiaConstraint`

 Last update: 09.03.2026 

<a id="ansys.mechanical.stubs.v252.Ansys.ACT.Automation.Mechanical.MomentOfInertiaConstraint"></a>

#### *class* Ansys.ACT.Automation.Mechanical.MomentOfInertiaConstraint

Bases: [`object`](https://docs.python.org/3/library/functions.html#object)

Defines a MomentOfInertiaConstraint.

<a id="overview"></a>

## Overview

### Methods

NameDescription[`Activate`](#MomentOfInertiaConstraint.Activate)Activate the current object.[`CopyTo`](#MomentOfInertiaConstraint.CopyTo)Copies all visible properties from this object to another.[`CreateParameter`](#MomentOfInertiaConstraint.CreateParameter)Creates a new parameter for a Property.[`Delete`](#MomentOfInertiaConstraint.Delete)Run the Delete action.[`Duplicate`](#MomentOfInertiaConstraint.Duplicate)Creates a copy of the current DataModelObject.[`GetChildren`](#MomentOfInertiaConstraint.GetChildren)Gets the list of children, filtered by type.[`GetParameter`](#MomentOfInertiaConstraint.GetParameter)Gets the parameter corresponding to the given property.[`GroupAllSimilarChildren`](#MomentOfInertiaConstraint.GroupAllSimilarChildren)Run the GroupAllSimilarChildren action.[`GroupSimilarObjects`](#MomentOfInertiaConstraint.GroupSimilarObjects)Run the GroupSimilarObjects action.[`PropertyByAPIName`](#MomentOfInertiaConstraint.PropertyByAPIName)Get a property by its API name.[`PropertyByName`](#MomentOfInertiaConstraint.PropertyByName)Get a property by its unique name.[`RemoveParameter`](#MomentOfInertiaConstraint.RemoveParameter)Removes the parameter from the parameter set corresponding to the given property.[`RenameBasedOnDefinition`](#MomentOfInertiaConstraint.RenameBasedOnDefinition)Run the RenameBasedOnDefinition action.### Properties

NameDescription[`Axis`](#MomentOfInertiaConstraint.Axis)Gets or sets the Axis used for calculation. Only positive direction enums will be accepted (“PositiveXAxis”, “PositiveYAxis”, “PositiveXAxis”).[`Children`](#MomentOfInertiaConstraint.Children)Gets the list of children.[`CoordinateSystem`](#MomentOfInertiaConstraint.CoordinateSystem)Gets or sets the CoordinateSystem.[`DataModelObjectCategory`](#MomentOfInertiaConstraint.DataModelObjectCategory)Gets the current DataModelObject’s category.[`DefineBy`](#MomentOfInertiaConstraint.DefineBy)Gets or sets the DefineBy.[`EnvironmentSelection`](#MomentOfInertiaConstraint.EnvironmentSelection)Gets or Sets the EnvironmentSelection to an Analysis object or TopoEnvironmentType enum.[`InternalObject`](#MomentOfInertiaConstraint.InternalObject)Gets the internal object. For advanced usage only.[`Location`](#MomentOfInertiaConstraint.Location)Gets or sets the Location.[`MaximumValue`](#MomentOfInertiaConstraint.MaximumValue)Gets or sets the MaximumValue.[`MinimumValue`](#MomentOfInertiaConstraint.MinimumValue)Gets or sets the MinimumValue.[`PercentageToRetain`](#MomentOfInertiaConstraint.PercentageToRetain)Gets or sets the PercentageToRetain.[`PercentageToRetainMax`](#MomentOfInertiaConstraint.PercentageToRetainMax)Gets or sets the PercentageToRetainMax.[`PercentageToRetainMin`](#MomentOfInertiaConstraint.PercentageToRetainMin)Gets or sets the PercentageToRetainMin.[`Properties`](#MomentOfInertiaConstraint.Properties)Gets the list of properties for this object.[`ScopingMethod`](#MomentOfInertiaConstraint.ScopingMethod)Gets or sets the ScopingMethod.[`Selection`](#MomentOfInertiaConstraint.Selection)Gets or sets the Selection.[`Suppressed`](#MomentOfInertiaConstraint.Suppressed)Gets or sets the Suppressed.[`VisibleProperties`](#MomentOfInertiaConstraint.VisibleProperties)Gets the list of properties that are visible for this object.<a id="property-detail"></a>

## Property detail

<a id="MomentOfInertiaConstraint.Axis"></a>

### *property* MomentOfInertiaConstraint.Axis *: [Ansys.Mechanical.DataModel.Enums.CoordinateSystemAxisType](../../../Mechanical/DataModel/Enums/CoordinateSystemAxisType.md#ansys.mechanical.stubs.v252.Ansys.Mechanical.DataModel.Enums.CoordinateSystemAxisType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Axis used for calculation. Only positive direction enums will be accepted (“PositiveXAxis”, “PositiveYAxis”, “PositiveXAxis”). : InvalidArgumentException: Any unsupported enum value.

<a id="MomentOfInertiaConstraint.Children"></a>

### *property* MomentOfInertiaConstraint.Children *: List\[[Ansys.Mechanical.DataModel.Interfaces.IDataModelObject](../../../Mechanical/DataModel/Interfaces/IDataModelObject.md#ansys.mechanical.stubs.v252.Ansys.Mechanical.DataModel.Interfaces.IDataModelObject)\] | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the list of children.

<a id="MomentOfInertiaConstraint.CoordinateSystem"></a>

### *property* MomentOfInertiaConstraint.CoordinateSystem *: [Ansys.ACT.Automation.Mechanical.CoordinateSystem](CoordinateSystem.md#ansys.mechanical.stubs.v252.Ansys.ACT.Automation.Mechanical.CoordinateSystem) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the CoordinateSystem.

<a id="MomentOfInertiaConstraint.DataModelObjectCategory"></a>

### *property* MomentOfInertiaConstraint.DataModelObjectCategory *: [Ansys.Mechanical.DataModel.Enums.DataModelObjectCategory](../../../Mechanical/DataModel/Enums/DataModelObjectCategory.md#ansys.mechanical.stubs.v252.Ansys.Mechanical.DataModel.Enums.DataModelObjectCategory) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the current DataModelObject’s category.

<a id="MomentOfInertiaConstraint.DefineBy"></a>

### *property* MomentOfInertiaConstraint.DefineBy *: [Ansys.Mechanical.DataModel.Enums.ResponseConstraintDefineBy](../../../Mechanical/DataModel/Enums/ResponseConstraintDefineBy.md#ansys.mechanical.stubs.v252.Ansys.Mechanical.DataModel.Enums.ResponseConstraintDefineBy) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the DefineBy.

<a id="MomentOfInertiaConstraint.EnvironmentSelection"></a>

### *property* MomentOfInertiaConstraint.EnvironmentSelection *: Any | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or Sets the EnvironmentSelection to an Analysis object or TopoEnvironmentType enum.

<a id="MomentOfInertiaConstraint.InternalObject"></a>

### *property* MomentOfInertiaConstraint.InternalObject *: Ansys.Common.Interop.DSObjectsAuto.IDSTopoConstraintAuto | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the internal object. For advanced usage only.

<a id="MomentOfInertiaConstraint.Location"></a>

### *property* MomentOfInertiaConstraint.Location *: [Ansys.ACT.Interfaces.Common.ISelectionInfo](../../Interfaces/Common/ISelectionInfo.md#ansys.mechanical.stubs.v252.Ansys.ACT.Interfaces.Common.ISelectionInfo) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Location.

<a id="MomentOfInertiaConstraint.MaximumValue"></a>

### *property* MomentOfInertiaConstraint.MaximumValue *: [Ansys.Core.Units.Quantity](../../../Core/Units/Quantity.md#ansys.mechanical.stubs.v252.Ansys.Core.Units.Quantity) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the MaximumValue.

<a id="MomentOfInertiaConstraint.MinimumValue"></a>

### *property* MomentOfInertiaConstraint.MinimumValue *: [Ansys.Core.Units.Quantity](../../../Core/Units/Quantity.md#ansys.mechanical.stubs.v252.Ansys.Core.Units.Quantity) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the MinimumValue.

<a id="MomentOfInertiaConstraint.PercentageToRetain"></a>

### *property* MomentOfInertiaConstraint.PercentageToRetain *: [int](https://docs.python.org/3/library/functions.html#int) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the PercentageToRetain.

<a id="MomentOfInertiaConstraint.PercentageToRetainMax"></a>

### *property* MomentOfInertiaConstraint.PercentageToRetainMax *: [int](https://docs.python.org/3/library/functions.html#int) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the PercentageToRetainMax.

<a id="MomentOfInertiaConstraint.PercentageToRetainMin"></a>

### *property* MomentOfInertiaConstraint.PercentageToRetainMin *: [int](https://docs.python.org/3/library/functions.html#int) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the PercentageToRetainMin.

<a id="MomentOfInertiaConstraint.Properties"></a>

### *property* MomentOfInertiaConstraint.Properties *: [tuple](https://docs.python.org/3/library/stdtypes.html#tuple)\[Ansys.ACT.Automation.Mechanical.Property\] | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the list of properties for this object.

<a id="MomentOfInertiaConstraint.ScopingMethod"></a>

### *property* MomentOfInertiaConstraint.ScopingMethod *: [Ansys.Mechanical.DataModel.Enums.GeometryDefineByType](../../../Mechanical/DataModel/Enums/GeometryDefineByType.md#ansys.mechanical.stubs.v252.Ansys.Mechanical.DataModel.Enums.GeometryDefineByType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the ScopingMethod.

<a id="MomentOfInertiaConstraint.Selection"></a>

### *property* MomentOfInertiaConstraint.Selection *: [Ansys.ACT.Automation.Mechanical.OptimizationRegion](OptimizationRegion.md#ansys.mechanical.stubs.v252.Ansys.ACT.Automation.Mechanical.OptimizationRegion) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Selection.

<a id="MomentOfInertiaConstraint.Suppressed"></a>

### *property* MomentOfInertiaConstraint.Suppressed *: [bool](https://docs.python.org/3/library/functions.html#bool) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Suppressed.

<a id="MomentOfInertiaConstraint.VisibleProperties"></a>

### *property* MomentOfInertiaConstraint.VisibleProperties *: [tuple](https://docs.python.org/3/library/stdtypes.html#tuple)\[Ansys.ACT.Automation.Mechanical.Property\] | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the list of properties that are visible for this object.

<a id="method-detail"></a>

## Method detail

<a id="MomentOfInertiaConstraint.Activate"></a>

### MomentOfInertiaConstraint.Activate() → [None](https://docs.python.org/3/library/constants.html#None)

Activate the current object.

<a id="MomentOfInertiaConstraint.CopyTo"></a>

### MomentOfInertiaConstraint.CopyTo(other: Ansys.ACT.Automation.Mechanical.DataModelObject) → [None](https://docs.python.org/3/library/constants.html#None)

Copies all visible properties from this object to another.

<a id="MomentOfInertiaConstraint.CreateParameter"></a>

### MomentOfInertiaConstraint.CreateParameter(propName: [str](https://docs.python.org/3/library/stdtypes.html#str)) → Ansys.ACT.Interfaces.Mechanical.IParameter

Creates a new parameter for a Property.

<a id="MomentOfInertiaConstraint.Delete"></a>

### MomentOfInertiaConstraint.Delete() → [None](https://docs.python.org/3/library/constants.html#None)

Run the Delete action.

<a id="MomentOfInertiaConstraint.Duplicate"></a>

### MomentOfInertiaConstraint.Duplicate() → [Ansys.Mechanical.DataModel.Interfaces.IDataModelObject](../../../Mechanical/DataModel/Interfaces/IDataModelObject.md#ansys.mechanical.stubs.v252.Ansys.Mechanical.DataModel.Interfaces.IDataModelObject)

Creates a copy of the current DataModelObject.

<a id="MomentOfInertiaConstraint.GetChildren"></a>

### MomentOfInertiaConstraint.GetChildren(recurses: [bool](https://docs.python.org/3/library/functions.html#bool), children: List\[ChildrenType\]) → List\[ChildrenType\]

Gets the list of children, filtered by type.

<a id="MomentOfInertiaConstraint.GetParameter"></a>

### MomentOfInertiaConstraint.GetParameter(propName: [str](https://docs.python.org/3/library/stdtypes.html#str)) → Ansys.ACT.Interfaces.Mechanical.IParameter

Gets the parameter corresponding to the given property.

<a id="MomentOfInertiaConstraint.GroupAllSimilarChildren"></a>

### MomentOfInertiaConstraint.GroupAllSimilarChildren() → [None](https://docs.python.org/3/library/constants.html#None)

Run the GroupAllSimilarChildren action.

<a id="MomentOfInertiaConstraint.GroupSimilarObjects"></a>

### MomentOfInertiaConstraint.GroupSimilarObjects() → [Ansys.ACT.Automation.Mechanical.TreeGroupingFolder](TreeGroupingFolder.md#ansys.mechanical.stubs.v252.Ansys.ACT.Automation.Mechanical.TreeGroupingFolder)

Run the GroupSimilarObjects action.

<a id="MomentOfInertiaConstraint.PropertyByAPIName"></a>

### MomentOfInertiaConstraint.PropertyByAPIName(name: [str](https://docs.python.org/3/library/stdtypes.html#str)) → Ansys.ACT.Automation.Mechanical.Property

```text
Get a property by its API name.
If multiple properties have the same API Name, only the first property with that name will be returned.

```

<a id="MomentOfInertiaConstraint.PropertyByName"></a>

### MomentOfInertiaConstraint.PropertyByName(name: [str](https://docs.python.org/3/library/stdtypes.html#str)) → Ansys.ACT.Automation.Mechanical.Property

Get a property by its unique name.

<a id="MomentOfInertiaConstraint.RemoveParameter"></a>

### MomentOfInertiaConstraint.RemoveParameter(propName: [str](https://docs.python.org/3/library/stdtypes.html#str)) → [None](https://docs.python.org/3/library/constants.html#None)

Removes the parameter from the parameter set corresponding to the given property.

<a id="MomentOfInertiaConstraint.RenameBasedOnDefinition"></a>

### MomentOfInertiaConstraint.RenameBasedOnDefinition() → [None](https://docs.python.org/3/library/constants.html#None)

Run the RenameBasedOnDefinition action.