Command reference help topics > Specialist Durability simulation object dialog boxes
Local Stress State dialog box
| Name-Description | |
|---|---|
| Name | Sets a unique name for the parameter. |
| Label | Sets a unique integer for the parameter.The dialog box automatically displays the next available label number. However, you might want to change this if you use a particular series of numbers to identify certain types of parameters. |
| Description | Sets a description for the parameter.This description appears in the Durability Simulation Objects dialog box only if you add the Description column to the list table. To do that, right-click the column heading row and choose Columns→Configure. In the Configure Columns dialog box, select the Description check box and then click OK. |
| Categorization | |
| Category | Sets the category name for this parameter. |
| Sub-Category | Sets the subcategory name for this parameter.The subcategory appears in the Durability Simulation Objects dialog box only if you add the Sub-Category column to the list table. |
| Properties | |
| Local Stress State | Specifies the type of critical plane stress parameter to use or the equivalent stress parameter to use during the fatigue analysis.For more information, see Multiaxial fatigue.**Critical Plane, Open Mode (I)**Resolves the components of the local stress/strain tensor to directions perpendicular to the candidate critical planes upon which the fatigue damage is computed.**Critical Plane, Maximum Shear (II + III)**Resolves the components of the local stress tensor to directions parallel to the candidate critical planes upon which the fatigue damage is computed.Signed von MisesComputes the von Mises equivalent stress and gives it the sign of the principal stress with the largest magnitude.Maximum PrincipalUses the maximum principal stress as the equivalent uniaxial stress in the damage model.Maximum ShearUses the maximum shear stress as the equivalent uniaxial stress in the damage model.**Full 3D Critical Plane (Normal)**Resolves the components of the full 3D stress/strain tensor to directions perpendicular to the candidate critical planes upon which the fatigue damage is computed.The critical planes are assumed to be in-plane and out-of-plane.Full 3D Signed von MisesComputes the von Mises equivalent stress and gives it the sign of the principal stress with the largest magnitude, but takes the full stress tensor into account.Full 3D Maximum PrincipalUses the maximum principal stress as the equivalent uniaxial stress in the damage model, but takes the full stress tensor into account.Full 3D Maximum ShearUses the maximum shear stress as the equivalent uniaxial stress in the damage model, but takes the full stress tensor into account.Sigma XUses the x-component of the local stress tensor as the equivalent uniaxial stress in the damage model.Sigma YUses the y-component of the local stress tensor as the equivalent uniaxial stress in the damage model.Sigma XYUses the xy-component of the local stress tensor as the equivalent uniaxial stress in the damage model.Components 2DFor composite analysis, calculates for plane stress in the fiber direction, perpendicular to the fiber direction and shear. |
| Number of Critical Planes | Appears when Local Stress State is set to Critical Plane, Open Mode (I) or Critical Plane, Maximum Shear (II + III).Sets the number of critical planes. |
| Number of In-Plane Directions for 3D | Appears when Local Stress State is set to Full 3D Critical Plane (Normal).Sets the number of in-plane directions. |
| Number of Out-Of-Plane Directions for 3D | Appears when Local Stress State is set to Full 3D Critical Plane (Normal).Sets the number of out-of-plane directions. |
Local Stress State dialog box, Simcenter 3D 2021.1 Series
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Source: https://docs.sw.siemens.com/en-US/doc/289054037/PL20200601120302950.advanced/xid1608934 · retrieved 2026-07-17