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 # `MiddlePrincipalStress`

 Last update: 09.03.2026 

<a id="ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.Results.StressResults.MiddlePrincipalStress"></a>

#### *class* Ansys.ACT.Automation.Mechanical.Results.StressResults.MiddlePrincipalStress

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

Defines a MiddlePrincipalStress.

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

## Overview

### Methods

NameDescription[`Activate`](#MiddlePrincipalStress.Activate)Activate the current object.[`AddAlert`](#MiddlePrincipalStress.AddAlert)Creates a new Alert[`AddComment`](#MiddlePrincipalStress.AddComment)Creates a new child Comment.[`AddConvergence`](#MiddlePrincipalStress.AddConvergence)Creates a new Convergence[`AddFigure`](#MiddlePrincipalStress.AddFigure)Creates a new child Figure.[`AddImage`](#MiddlePrincipalStress.AddImage)Creates a new child Image.[`ClearGeneratedData`](#MiddlePrincipalStress.ClearGeneratedData)Run the ClearGeneratedData action.[`CopyTo`](#MiddlePrincipalStress.CopyTo)Copies all visible properties from this object to another.[`CreateParameter`](#MiddlePrincipalStress.CreateParameter)CreateParameter method.[`CreateResultsAtAllSets`](#MiddlePrincipalStress.CreateResultsAtAllSets)Creates results at all sets for results under a solution.[`Delete`](#MiddlePrincipalStress.Delete)Run the Delete action.[`Duplicate`](#MiddlePrincipalStress.Duplicate)Creates a copy of the current DataModelObject.[`DuplicateWithoutResults`](#MiddlePrincipalStress.DuplicateWithoutResults)Run the DuplicateWithoutResults action.[`EvaluateAllResults`](#MiddlePrincipalStress.EvaluateAllResults)Run the EvaluateAllResults action.[`ExportAnimation`](#MiddlePrincipalStress.ExportAnimation)Run the ExportAnimation action.[`ExportToTextFile`](#MiddlePrincipalStress.ExportToTextFile)Run the ExportToTextFile action.[`FetchRemoteResults`](#MiddlePrincipalStress.FetchRemoteResults)Run the FetchRemoteResult action.[`GetChildren`](#MiddlePrincipalStress.GetChildren)Gets the list of children, filtered by type.[`GetParameter`](#MiddlePrincipalStress.GetParameter)Gets the parameter corresponding to the given property.[`GroupAllSimilarChildren`](#MiddlePrincipalStress.GroupAllSimilarChildren)Run the GroupAllSimilarChildren action.[`GroupSimilarObjects`](#MiddlePrincipalStress.GroupSimilarObjects)Run the GroupSimilarObjects action.[`PromoteToNamedSelection`](#MiddlePrincipalStress.PromoteToNamedSelection)Run the PromoteToNamedSelection action.[`PropertyByAPIName`](#MiddlePrincipalStress.PropertyByAPIName)Get a property by its API name.[`PropertyByName`](#MiddlePrincipalStress.PropertyByName)Get a property by its unique name.[`RemoveParameter`](#MiddlePrincipalStress.RemoveParameter)Removes the parameter from the parameter set corresponding to the given property.[`RenameBasedOnDefinition`](#MiddlePrincipalStress.RenameBasedOnDefinition)Run the RenameBasedOnDefinition action.### Properties

NameDescription[`Amplitude`](#MiddlePrincipalStress.Amplitude)Gets or sets the Amplitude.[`Average`](#MiddlePrincipalStress.Average)Gets the Average.[`AverageAcrossBodies`](#MiddlePrincipalStress.AverageAcrossBodies)Gets or sets the AverageAcrossBodies.[`AverageRadiusOfCurvature`](#MiddlePrincipalStress.AverageRadiusOfCurvature)Gets or sets the AverageRadiusOfCurvature.[`BendingInside`](#MiddlePrincipalStress.BendingInside)Gets the BendingInside.[`BendingOutside`](#MiddlePrincipalStress.BendingOutside)Gets the BendingOutside.[`By`](#MiddlePrincipalStress.By)Gets or sets the By.[`CalculateTimeHistory`](#MiddlePrincipalStress.CalculateTimeHistory)Gets or sets the CalculateTimeHistory.[`Children`](#MiddlePrincipalStress.Children)Gets the list of children.[`CombinationNumber`](#MiddlePrincipalStress.CombinationNumber)Gets or sets the Combination Number for a Solution Combination result.[`Comments`](#MiddlePrincipalStress.Comments)Gets the list of associated comments.[`CoordinateSystem`](#MiddlePrincipalStress.CoordinateSystem)Gets or sets the Coordinate System.[`CrackFrontNumber`](#MiddlePrincipalStress.CrackFrontNumber)Gets or sets the CrackFrontNumber.[`CyclicMode`](#MiddlePrincipalStress.CyclicMode)Gets or sets the CyclicMode.[`DataModelObjectCategory`](#MiddlePrincipalStress.DataModelObjectCategory)Gets the current DataModelObject’s category.[`DisplayOption`](#MiddlePrincipalStress.DisplayOption)Gets or sets the DisplayOption.[`DisplayTime`](#MiddlePrincipalStress.DisplayTime)Gets or sets the DisplayTime.[`DpfEvaluation`](#MiddlePrincipalStress.DpfEvaluation)Gets or sets the DpfEvaluation.[`EnvironmentSelection`](#MiddlePrincipalStress.EnvironmentSelection)Gets or sets the EnvironmentSelection.[`Figures`](#MiddlePrincipalStress.Figures)Gets the list of associated figures.[`Frequency`](#MiddlePrincipalStress.Frequency)Gets or sets the Frequency.[`GlobalIDs`](#MiddlePrincipalStress.GlobalIDs)Gets or sets the GlobalIDs.[`GraphControlsXAxis`](#MiddlePrincipalStress.GraphControlsXAxis)Gets or sets the GraphControlsXAxis.[`HarmonicIndex`](#MiddlePrincipalStress.HarmonicIndex)Gets or sets the HarmonicIndex.[`Identifier`](#MiddlePrincipalStress.Identifier)Gets or sets the Identifier.[`Images`](#MiddlePrincipalStress.Images)Gets the list of associated images.[`InternalObject`](#MiddlePrincipalStress.InternalObject)Gets the internal object. For advanced usage only.[`IsSolved`](#MiddlePrincipalStress.IsSolved)Gets the IsSolved.[`ItemType`](#MiddlePrincipalStress.ItemType)Gets or sets the ItemType.[`IterationNumber`](#MiddlePrincipalStress.IterationNumber)Gets the IterationNumber.[`IterationStep`](#MiddlePrincipalStress.IterationStep)Gets or sets the IterationStep.[`Layer`](#MiddlePrincipalStress.Layer)Gets or sets the Layer.[`Linearized2DBehavior`](#MiddlePrincipalStress.Linearized2DBehavior)Gets or sets the Linearized2DBehavior.[`LoadMultiplier`](#MiddlePrincipalStress.LoadMultiplier)Gets the LoadMultiplier.[`LoadStep`](#MiddlePrincipalStress.LoadStep)Gets the LoadStep.[`LoadStepForMaximumOfMaximumValues`](#MiddlePrincipalStress.LoadStepForMaximumOfMaximumValues)Get the Load Step for the maximum of maximum values.[`LoadStepForMaximumOfMinimumValues`](#MiddlePrincipalStress.LoadStepForMaximumOfMinimumValues)Get the Load Step for the maximum of minimum values.[`LoadStepForMinimumOfMaximumValues`](#MiddlePrincipalStress.LoadStepForMinimumOfMaximumValues)Get the Load Step for the minimum of maximum values.[`LoadStepForMinimumOfMinimumValues`](#MiddlePrincipalStress.LoadStepForMinimumOfMinimumValues)Get the Load Step for the minimum of minimum values.[`LoadStepNumber`](#MiddlePrincipalStress.LoadStepNumber)Gets or sets the LoadStepNumber.[`Location`](#MiddlePrincipalStress.Location)Gets or sets the Location.[`Maximum`](#MiddlePrincipalStress.Maximum)Gets the Maximum.[`MaximumOccursOn`](#MiddlePrincipalStress.MaximumOccursOn)Gets the MaximumOccursOn.[`MaximumOfMaximumOverTime`](#MiddlePrincipalStress.MaximumOfMaximumOverTime)Gets the MaximumOfMaximumOverTime.[`MaximumOfMinimumOverTime`](#MiddlePrincipalStress.MaximumOfMinimumOverTime)Gets the MaximumOfMinimumOverTime.[`Membrane`](#MiddlePrincipalStress.Membrane)Gets the Membrane.[`MembraneBendingCenter`](#MiddlePrincipalStress.MembraneBendingCenter)Gets the MembraneBendingCenter.[`MembraneBendingInside`](#MiddlePrincipalStress.MembraneBendingInside)Gets the MembraneBendingInside.[`MembraneBendingOutside`](#MiddlePrincipalStress.MembraneBendingOutside)Gets the MembraneBendingOutside.[`Minimum`](#MiddlePrincipalStress.Minimum)Gets the Minimum.[`MinimumOccursOn`](#MiddlePrincipalStress.MinimumOccursOn)Gets the MinimumOccursOn.[`MinimumOfMaximumOverTime`](#MiddlePrincipalStress.MinimumOfMaximumOverTime)Gets the MinimumOfMaximumOverTime.[`MinimumOfMinimumOverTime`](#MiddlePrincipalStress.MinimumOfMinimumOverTime)Gets the MinimumOfMinimumOverTime.[`Mode`](#MiddlePrincipalStress.Mode)Gets or sets the Mode.[`NamedSelections`](#MiddlePrincipalStress.NamedSelections)Gets or sets the NamedSelections.[`NormalOrientation`](#MiddlePrincipalStress.NormalOrientation)Gets or sets the NormalOrientation.[`Path`](#MiddlePrincipalStress.Path)Path property.[`PeakCenter`](#MiddlePrincipalStress.PeakCenter)Gets the PeakCenter.[`PeakInside`](#MiddlePrincipalStress.PeakInside)Gets the PeakInside.[`PeakOutside`](#MiddlePrincipalStress.PeakOutside)Gets the PeakOutside.[`PhaseIncrement`](#MiddlePrincipalStress.PhaseIncrement)Gets or sets the PhaseIncrement.[`Plies`](#MiddlePrincipalStress.Plies)Plies property.[`PlotData`](#MiddlePrincipalStress.PlotData)Gets the result table.[`Ply`](#MiddlePrincipalStress.Ply)Gets or sets the Ply selection.[`Position`](#MiddlePrincipalStress.Position)Gets or sets the Position.[`Probability`](#MiddlePrincipalStress.Probability)Gets the Probability.[`Properties`](#MiddlePrincipalStress.Properties)Gets the list of properties for this object.[`RPMSelection`](#MiddlePrincipalStress.RPMSelection)Gets or sets the RPM Selection value at which the results are evaluated.[`ReportedFrequency`](#MiddlePrincipalStress.ReportedFrequency)Gets the ReportedFrequency.[`ScaleFactor`](#MiddlePrincipalStress.ScaleFactor)Gets or sets the ScaleFactor.[`ScopingMethod`](#MiddlePrincipalStress.ScopingMethod)Gets or sets the ScopingMethod.[`SetNumber`](#MiddlePrincipalStress.SetNumber)Gets or sets the Set Number.[`SolutionCombinationDriver`](#MiddlePrincipalStress.SolutionCombinationDriver)Gets or sets the SolutionCombinationDriver.[`SolverComponentIDs`](#MiddlePrincipalStress.SolverComponentIDs)Gets or sets the SolverComponentIDs.[`StressStrainType`](#MiddlePrincipalStress.StressStrainType)Gets or sets the StressStrainType.[`SubScopeBy`](#MiddlePrincipalStress.SubScopeBy)Gets or sets the SubScopeBy.[`Substep`](#MiddlePrincipalStress.Substep)Gets the Substep.[`Subtype`](#MiddlePrincipalStress.Subtype)Gets or sets the Subtype.[`Suppressed`](#MiddlePrincipalStress.Suppressed)Gets or sets the Suppressed.[`Surface`](#MiddlePrincipalStress.Surface)Surface property.[`SurfaceCoating`](#MiddlePrincipalStress.SurfaceCoating)SurfaceCoating property.[`SweepingPhase`](#MiddlePrincipalStress.SweepingPhase)Gets or sets the SweepingPhase.[`ThroughThicknessBendingStress`](#MiddlePrincipalStress.ThroughThicknessBendingStress)Gets or sets the ThroughThicknessBendingStress.[`Time`](#MiddlePrincipalStress.Time)Gets the Time.[`TimeForMaximumOfMaximumValues`](#MiddlePrincipalStress.TimeForMaximumOfMaximumValues)Get the Time for the maximum of maximum values.[`TimeForMaximumOfMinimumValues`](#MiddlePrincipalStress.TimeForMaximumOfMinimumValues)Get the Time for the maximum of minimum values.[`TimeForMinimumOfMaximumValues`](#MiddlePrincipalStress.TimeForMinimumOfMaximumValues)Get the Time for the minimum of maximum values.[`TimeForMinimumOfMinimumValues`](#MiddlePrincipalStress.TimeForMinimumOfMinimumValues)Get the Time for the minimum of minimum values.[`Total`](#MiddlePrincipalStress.Total)Gets the Total.[`TotalCenter`](#MiddlePrincipalStress.TotalCenter)Gets the TotalCenter.[`TotalInside`](#MiddlePrincipalStress.TotalInside)Gets the TotalInside.[`TotalOutside`](#MiddlePrincipalStress.TotalOutside)Gets the TotalOutside.[`VisibleProperties`](#MiddlePrincipalStress.VisibleProperties)Gets the list of properties that are visible for this object.<a id="property-detail"></a>

## Property detail

<a id="MiddlePrincipalStress.Amplitude"></a>

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

Gets or sets the Amplitude.

<a id="MiddlePrincipalStress.Average"></a>

### *property* MiddlePrincipalStress.Average *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the Average.

<a id="MiddlePrincipalStress.AverageAcrossBodies"></a>

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

Gets or sets the AverageAcrossBodies.

<a id="MiddlePrincipalStress.AverageRadiusOfCurvature"></a>

### *property* MiddlePrincipalStress.AverageRadiusOfCurvature *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the AverageRadiusOfCurvature.

<a id="MiddlePrincipalStress.BendingInside"></a>

### *property* MiddlePrincipalStress.BendingInside *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the BendingInside.

<a id="MiddlePrincipalStress.BendingOutside"></a>

### *property* MiddlePrincipalStress.BendingOutside *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the BendingOutside.

<a id="MiddlePrincipalStress.By"></a>

### *property* MiddlePrincipalStress.By *: [Ansys.Mechanical.DataModel.Enums.SetDriverStyle](../../../../../Mechanical/DataModel/Enums/SetDriverStyle.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.SetDriverStyle) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the By.

<a id="MiddlePrincipalStress.CalculateTimeHistory"></a>

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

Gets or sets the CalculateTimeHistory.

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

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

Gets the list of children.

<a id="MiddlePrincipalStress.CombinationNumber"></a>

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

Gets or sets the Combination Number for a Solution Combination result.

<a id="MiddlePrincipalStress.Comments"></a>

### *property* MiddlePrincipalStress.Comments *: Iterable\[[Ansys.ACT.Automation.Mechanical.Comment](../../Comment.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.Comment)\] | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the list of associated comments.

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

### *property* MiddlePrincipalStress.CoordinateSystem *: [Ansys.ACT.Automation.Mechanical.CoordinateSystem](../../CoordinateSystem.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.CoordinateSystem) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Coordinate System. Accepts/Returns None for Solution Coordinate System in the general case (if applicable). Accepts/Returns None for Fiber Coordinate System for a result that is sub scoped by ply.

<a id="MiddlePrincipalStress.CrackFrontNumber"></a>

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

Gets or sets the CrackFrontNumber.

<a id="MiddlePrincipalStress.CyclicMode"></a>

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

Gets or sets the CyclicMode.

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

### *property* MiddlePrincipalStress.DataModelObjectCategory *: [Ansys.Mechanical.DataModel.Enums.DataModelObjectCategory](../../../../../Mechanical/DataModel/Enums/DataModelObjectCategory.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.DataModelObjectCategory) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the current DataModelObject’s category.

<a id="MiddlePrincipalStress.DisplayOption"></a>

### *property* MiddlePrincipalStress.DisplayOption *: [Ansys.Mechanical.DataModel.Enums.ResultAveragingType](../../../../../Mechanical/DataModel/Enums/ResultAveragingType.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.ResultAveragingType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the DisplayOption.

<a id="MiddlePrincipalStress.DisplayTime"></a>

### *property* MiddlePrincipalStress.DisplayTime *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the DisplayTime.

<a id="MiddlePrincipalStress.DpfEvaluation"></a>

### *property* MiddlePrincipalStress.DpfEvaluation *: [Ansys.Mechanical.DataModel.Enums.DpfEvaluationType](../../../../../Mechanical/DataModel/Enums/DpfEvaluationType.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.DpfEvaluationType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the DpfEvaluation.

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

### *property* MiddlePrincipalStress.EnvironmentSelection *: [Ansys.ACT.Automation.Mechanical.Analysis](../../Analysis.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.Analysis) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the EnvironmentSelection.

<a id="MiddlePrincipalStress.Figures"></a>

### *property* MiddlePrincipalStress.Figures *: Iterable\[[Ansys.ACT.Automation.Mechanical.Figure](../../Figure.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.Figure)\] | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the list of associated figures.

<a id="MiddlePrincipalStress.Frequency"></a>

### *property* MiddlePrincipalStress.Frequency *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Frequency.

<a id="MiddlePrincipalStress.GlobalIDs"></a>

### *property* MiddlePrincipalStress.GlobalIDs *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the GlobalIDs.

<a id="MiddlePrincipalStress.GraphControlsXAxis"></a>

### *property* MiddlePrincipalStress.GraphControlsXAxis *: [Ansys.Mechanical.DataModel.Enums.GraphControlsXAxis](../../../../../Mechanical/DataModel/Enums/GraphControlsXAxis.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.GraphControlsXAxis) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the GraphControlsXAxis.

<a id="MiddlePrincipalStress.HarmonicIndex"></a>

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

Gets or sets the HarmonicIndex.

<a id="MiddlePrincipalStress.Identifier"></a>

### *property* MiddlePrincipalStress.Identifier *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Identifier.

<a id="MiddlePrincipalStress.Images"></a>

### *property* MiddlePrincipalStress.Images *: Iterable\[[Ansys.ACT.Automation.Mechanical.Image](../../Image.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.Image)\] | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the list of associated images.

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

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

Gets the internal object. For advanced usage only.

<a id="MiddlePrincipalStress.IsSolved"></a>

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

Gets the IsSolved.

<a id="MiddlePrincipalStress.ItemType"></a>

### *property* MiddlePrincipalStress.ItemType *: [Ansys.Mechanical.DataModel.Enums.ResultFileItemType](../../../../../Mechanical/DataModel/Enums/ResultFileItemType.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.ResultFileItemType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the ItemType.

<a id="MiddlePrincipalStress.IterationNumber"></a>

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

Gets the IterationNumber.

<a id="MiddlePrincipalStress.IterationStep"></a>

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

Gets or sets the IterationStep.

<a id="MiddlePrincipalStress.Layer"></a>

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

Gets or sets the Layer.

<a id="MiddlePrincipalStress.Linearized2DBehavior"></a>

### *property* MiddlePrincipalStress.Linearized2DBehavior *: [Ansys.Mechanical.DataModel.Enums.Linearized2DBehavior](../../../../../Mechanical/DataModel/Enums/Linearized2DBehavior.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.Linearized2DBehavior) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Linearized2DBehavior.

<a id="MiddlePrincipalStress.LoadMultiplier"></a>

### *property* MiddlePrincipalStress.LoadMultiplier *: [float](https://docs.python.org/3/library/functions.html#float) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the LoadMultiplier.

<a id="MiddlePrincipalStress.LoadStep"></a>

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

Gets the LoadStep.

<a id="MiddlePrincipalStress.LoadStepForMaximumOfMaximumValues"></a>

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

Get the Load Step for the maximum of maximum values.

<a id="MiddlePrincipalStress.LoadStepForMaximumOfMinimumValues"></a>

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

Get the Load Step for the maximum of minimum values.

<a id="MiddlePrincipalStress.LoadStepForMinimumOfMaximumValues"></a>

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

Get the Load Step for the minimum of maximum values.

<a id="MiddlePrincipalStress.LoadStepForMinimumOfMinimumValues"></a>

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

Get the Load Step for the minimum of minimum values.

<a id="MiddlePrincipalStress.LoadStepNumber"></a>

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

Gets or sets the LoadStepNumber.

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

### *property* MiddlePrincipalStress.Location *: Ansys.ACT.Interfaces.Common.ISelectionInfo | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Location.

<a id="MiddlePrincipalStress.Maximum"></a>

### *property* MiddlePrincipalStress.Maximum *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the Maximum.

<a id="MiddlePrincipalStress.MaximumOccursOn"></a>

### *property* MiddlePrincipalStress.MaximumOccursOn *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the MaximumOccursOn.

<a id="MiddlePrincipalStress.MaximumOfMaximumOverTime"></a>

### *property* MiddlePrincipalStress.MaximumOfMaximumOverTime *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the MaximumOfMaximumOverTime.

<a id="MiddlePrincipalStress.MaximumOfMinimumOverTime"></a>

### *property* MiddlePrincipalStress.MaximumOfMinimumOverTime *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the MaximumOfMinimumOverTime.

<a id="MiddlePrincipalStress.Membrane"></a>

### *property* MiddlePrincipalStress.Membrane *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the Membrane.

<a id="MiddlePrincipalStress.MembraneBendingCenter"></a>

### *property* MiddlePrincipalStress.MembraneBendingCenter *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the MembraneBendingCenter.

<a id="MiddlePrincipalStress.MembraneBendingInside"></a>

### *property* MiddlePrincipalStress.MembraneBendingInside *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the MembraneBendingInside.

<a id="MiddlePrincipalStress.MembraneBendingOutside"></a>

### *property* MiddlePrincipalStress.MembraneBendingOutside *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the MembraneBendingOutside.

<a id="MiddlePrincipalStress.Minimum"></a>

### *property* MiddlePrincipalStress.Minimum *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the Minimum.

<a id="MiddlePrincipalStress.MinimumOccursOn"></a>

### *property* MiddlePrincipalStress.MinimumOccursOn *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the MinimumOccursOn.

<a id="MiddlePrincipalStress.MinimumOfMaximumOverTime"></a>

### *property* MiddlePrincipalStress.MinimumOfMaximumOverTime *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the MinimumOfMaximumOverTime.

<a id="MiddlePrincipalStress.MinimumOfMinimumOverTime"></a>

### *property* MiddlePrincipalStress.MinimumOfMinimumOverTime *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the MinimumOfMinimumOverTime.

<a id="MiddlePrincipalStress.Mode"></a>

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

Gets or sets the Mode.

<a id="MiddlePrincipalStress.NamedSelections"></a>

### *property* MiddlePrincipalStress.NamedSelections *: Iterable\[Ansys.Mechanical.DataModel.Interfaces.IDataModelObject\] | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the NamedSelections.

<a id="MiddlePrincipalStress.NormalOrientation"></a>

### *property* MiddlePrincipalStress.NormalOrientation *: [Ansys.Mechanical.DataModel.Enums.NormalOrientationType](../../../../../Mechanical/DataModel/Enums/NormalOrientationType.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.NormalOrientationType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the NormalOrientation.

<a id="MiddlePrincipalStress.Path"></a>

### *property* MiddlePrincipalStress.Path *: [Ansys.ACT.Automation.Mechanical.Path](../../Path.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.Path) | [None](https://docs.python.org/3/library/constants.html#None)*

Path property.

<a id="MiddlePrincipalStress.PeakCenter"></a>

### *property* MiddlePrincipalStress.PeakCenter *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the PeakCenter.

<a id="MiddlePrincipalStress.PeakInside"></a>

### *property* MiddlePrincipalStress.PeakInside *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the PeakInside.

<a id="MiddlePrincipalStress.PeakOutside"></a>

### *property* MiddlePrincipalStress.PeakOutside *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the PeakOutside.

<a id="MiddlePrincipalStress.PhaseIncrement"></a>

### *property* MiddlePrincipalStress.PhaseIncrement *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the PhaseIncrement.

<a id="MiddlePrincipalStress.Plies"></a>

### *property* MiddlePrincipalStress.Plies *: Iterable\[[Ansys.ACT.Automation.Mechanical.ImportedPliesCollection](../../ImportedPliesCollection.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.ImportedPliesCollection)\] | [None](https://docs.python.org/3/library/constants.html#None)*

Plies property.

<a id="MiddlePrincipalStress.PlotData"></a>

### *property* MiddlePrincipalStress.PlotData *: [Ansys.Mechanical.DataModel.Results.ResultDataTable](../../../../../Mechanical/DataModel/Results/ResultDataTable.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Results.ResultDataTable) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the result table.

<a id="MiddlePrincipalStress.Ply"></a>

### *property* MiddlePrincipalStress.Ply *: Iterable\[[Ansys.ACT.Automation.Mechanical.AnalysisPly](../../AnalysisPly.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.AnalysisPly)\] | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Ply selection.

<a id="MiddlePrincipalStress.Position"></a>

### *property* MiddlePrincipalStress.Position *: [Ansys.Mechanical.DataModel.Enums.ShellFaceType](../../../../../Mechanical/DataModel/Enums/ShellFaceType.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.ShellFaceType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Position.

<a id="MiddlePrincipalStress.Probability"></a>

### *property* MiddlePrincipalStress.Probability *: [float](https://docs.python.org/3/library/functions.html#float) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the Probability.

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

### *property* MiddlePrincipalStress.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="MiddlePrincipalStress.RPMSelection"></a>

### *property* MiddlePrincipalStress.RPMSelection *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the RPM Selection value at which the results are evaluated.

<a id="MiddlePrincipalStress.ReportedFrequency"></a>

### *property* MiddlePrincipalStress.ReportedFrequency *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the ReportedFrequency.

<a id="MiddlePrincipalStress.ScaleFactor"></a>

### *property* MiddlePrincipalStress.ScaleFactor *: [Ansys.Mechanical.DataModel.Enums.ScaleFactorType](../../../../../Mechanical/DataModel/Enums/ScaleFactorType.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.ScaleFactorType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the ScaleFactor.

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

### *property* MiddlePrincipalStress.ScopingMethod *: [Ansys.Mechanical.DataModel.Enums.GeometryDefineByType](../../../../../Mechanical/DataModel/Enums/GeometryDefineByType.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.GeometryDefineByType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the ScopingMethod.

<a id="MiddlePrincipalStress.SetNumber"></a>

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

Gets or sets the Set Number.

<a id="MiddlePrincipalStress.SolutionCombinationDriver"></a>

### *property* MiddlePrincipalStress.SolutionCombinationDriver *: [Ansys.Mechanical.DataModel.Enums.SolutionCombinationDriverStyle](../../../../../Mechanical/DataModel/Enums/SolutionCombinationDriverStyle.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.SolutionCombinationDriverStyle) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the SolutionCombinationDriver.

<a id="MiddlePrincipalStress.SolverComponentIDs"></a>

### *property* MiddlePrincipalStress.SolverComponentIDs *: [str](https://docs.python.org/3/library/stdtypes.html#str) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the SolverComponentIDs.

<a id="MiddlePrincipalStress.StressStrainType"></a>

### *property* MiddlePrincipalStress.StressStrainType *: [Ansys.Mechanical.DataModel.Enums.StressStrainType](../../../../../Mechanical/DataModel/Enums/StressStrainType.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.StressStrainType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the StressStrainType.

<a id="MiddlePrincipalStress.SubScopeBy"></a>

### *property* MiddlePrincipalStress.SubScopeBy *: [Ansys.Mechanical.DataModel.Enums.SubScopingDefineByType](../../../../../Mechanical/DataModel/Enums/SubScopingDefineByType.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.SubScopingDefineByType) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the SubScopeBy.

<a id="MiddlePrincipalStress.Substep"></a>

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

Gets the Substep.

<a id="MiddlePrincipalStress.Subtype"></a>

### *property* MiddlePrincipalStress.Subtype *: [Ansys.Mechanical.DataModel.Enums.LinearizedSubtype](../../../../../Mechanical/DataModel/Enums/LinearizedSubtype.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.LinearizedSubtype) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the Subtype.

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

### *property* MiddlePrincipalStress.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="MiddlePrincipalStress.Surface"></a>

### *property* MiddlePrincipalStress.Surface *: [Ansys.ACT.Automation.Mechanical.Surface](../../Surface.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.Surface) | [None](https://docs.python.org/3/library/constants.html#None)*

Surface property.

<a id="MiddlePrincipalStress.SurfaceCoating"></a>

### *property* MiddlePrincipalStress.SurfaceCoating *: [Ansys.ACT.Automation.Mechanical.SurfaceCoating](../../SurfaceCoating.md#ansys.mechanical.stubs.v251.Ansys.ACT.Automation.Mechanical.SurfaceCoating) | [None](https://docs.python.org/3/library/constants.html#None)*

SurfaceCoating property.

<a id="MiddlePrincipalStress.SweepingPhase"></a>

### *property* MiddlePrincipalStress.SweepingPhase *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the SweepingPhase.

<a id="MiddlePrincipalStress.ThroughThicknessBendingStress"></a>

### *property* MiddlePrincipalStress.ThroughThicknessBendingStress *: [Ansys.Mechanical.DataModel.Enums.ThroughThicknessBendingStress](../../../../../Mechanical/DataModel/Enums/ThroughThicknessBendingStress.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.ThroughThicknessBendingStress) | [None](https://docs.python.org/3/library/constants.html#None)*

Gets or sets the ThroughThicknessBendingStress.

<a id="MiddlePrincipalStress.Time"></a>

### *property* MiddlePrincipalStress.Time *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the Time.

<a id="MiddlePrincipalStress.TimeForMaximumOfMaximumValues"></a>

### *property* MiddlePrincipalStress.TimeForMaximumOfMaximumValues *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Get the Time for the maximum of maximum values.

<a id="MiddlePrincipalStress.TimeForMaximumOfMinimumValues"></a>

### *property* MiddlePrincipalStress.TimeForMaximumOfMinimumValues *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Get the Time for the maximum of minimum values.

<a id="MiddlePrincipalStress.TimeForMinimumOfMaximumValues"></a>

### *property* MiddlePrincipalStress.TimeForMinimumOfMaximumValues *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Get the Time for the minimum of maximum values.

<a id="MiddlePrincipalStress.TimeForMinimumOfMinimumValues"></a>

### *property* MiddlePrincipalStress.TimeForMinimumOfMinimumValues *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Get the Time for the minimum of minimum values.

<a id="MiddlePrincipalStress.Total"></a>

### *property* MiddlePrincipalStress.Total *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the Total.

<a id="MiddlePrincipalStress.TotalCenter"></a>

### *property* MiddlePrincipalStress.TotalCenter *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the TotalCenter.

<a id="MiddlePrincipalStress.TotalInside"></a>

### *property* MiddlePrincipalStress.TotalInside *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the TotalInside.

<a id="MiddlePrincipalStress.TotalOutside"></a>

### *property* MiddlePrincipalStress.TotalOutside *: Ansys.Core.Units.Quantity | [None](https://docs.python.org/3/library/constants.html#None)*

Gets the TotalOutside.

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

### *property* MiddlePrincipalStress.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="MiddlePrincipalStress.Activate"></a>

### MiddlePrincipalStress.Activate()

Activate the current object.

<a id="MiddlePrincipalStress.AddAlert"></a>

### MiddlePrincipalStress.AddAlert()

Creates a new Alert

<a id="MiddlePrincipalStress.AddComment"></a>

### MiddlePrincipalStress.AddComment()

Creates a new child Comment.

<a id="MiddlePrincipalStress.AddConvergence"></a>

### MiddlePrincipalStress.AddConvergence()

Creates a new Convergence

<a id="MiddlePrincipalStress.AddFigure"></a>

### MiddlePrincipalStress.AddFigure()

Creates a new child Figure.

<a id="MiddlePrincipalStress.AddImage"></a>

### MiddlePrincipalStress.AddImage(filePath: [str](https://docs.python.org/3/library/stdtypes.html#str))

```text
Creates a new child Image.
If a filePath is provided, the image will be loaded from that file,
if not, the image will be a screen capture of the Geometry window.

```

<a id="MiddlePrincipalStress.ClearGeneratedData"></a>

### MiddlePrincipalStress.ClearGeneratedData()

Run the ClearGeneratedData action.

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

### MiddlePrincipalStress.CopyTo(other: Ansys.ACT.Automation.Mechanical.DataModelObject)

Copies all visible properties from this object to another.

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

### MiddlePrincipalStress.CreateParameter(propName: [str](https://docs.python.org/3/library/stdtypes.html#str))

CreateParameter method.

<a id="MiddlePrincipalStress.CreateResultsAtAllSets"></a>

### MiddlePrincipalStress.CreateResultsAtAllSets()

Creates results at all sets for results under a solution.

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

### MiddlePrincipalStress.Delete()

Run the Delete action.

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

### MiddlePrincipalStress.Duplicate()

Creates a copy of the current DataModelObject.

<a id="MiddlePrincipalStress.DuplicateWithoutResults"></a>

### MiddlePrincipalStress.DuplicateWithoutResults()

Run the DuplicateWithoutResults action.

<a id="MiddlePrincipalStress.EvaluateAllResults"></a>

### MiddlePrincipalStress.EvaluateAllResults()

Run the EvaluateAllResults action.

<a id="MiddlePrincipalStress.ExportAnimation"></a>

### MiddlePrincipalStress.ExportAnimation(filePath: [str](https://docs.python.org/3/library/stdtypes.html#str), format: [Ansys.Mechanical.DataModel.Enums.GraphicsAnimationExportFormat](../../../../../Mechanical/DataModel/Enums/GraphicsAnimationExportFormat.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.DataModel.Enums.GraphicsAnimationExportFormat), settings: [Ansys.Mechanical.Graphics.AnimationExportSettings](../../../../../Mechanical/Graphics/AnimationExportSettings.md#ansys.mechanical.stubs.v251.Ansys.Mechanical.Graphics.AnimationExportSettings))

Run the ExportAnimation action.

<a id="MiddlePrincipalStress.ExportToTextFile"></a>

### MiddlePrincipalStress.ExportToTextFile(filePath: [str](https://docs.python.org/3/library/stdtypes.html#str))

Run the ExportToTextFile action.

<a id="MiddlePrincipalStress.FetchRemoteResults"></a>

### MiddlePrincipalStress.FetchRemoteResults()

Run the FetchRemoteResult action.

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

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

Gets the list of children, filtered by type.

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

### MiddlePrincipalStress.GetParameter(propName: [str](https://docs.python.org/3/library/stdtypes.html#str))

Gets the parameter corresponding to the given property.

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

### MiddlePrincipalStress.GroupAllSimilarChildren()

Run the GroupAllSimilarChildren action.

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

### MiddlePrincipalStress.GroupSimilarObjects()

Run the GroupSimilarObjects action.

<a id="MiddlePrincipalStress.PromoteToNamedSelection"></a>

### MiddlePrincipalStress.PromoteToNamedSelection()

Run the PromoteToNamedSelection action.

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

### MiddlePrincipalStress.PropertyByAPIName(name: [str](https://docs.python.org/3/library/stdtypes.html#str))

```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="MiddlePrincipalStress.PropertyByName"></a>

### MiddlePrincipalStress.PropertyByName(name: [str](https://docs.python.org/3/library/stdtypes.html#str))

Get a property by its unique name.

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

### MiddlePrincipalStress.RemoveParameter(propName: [str](https://docs.python.org/3/library/stdtypes.html#str))

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

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

### MiddlePrincipalStress.RenameBasedOnDefinition()

Run the RenameBasedOnDefinition action.