Laminate Modeler dialog box — Laminate Properties group

Option	Description
Stacking Recipe	Controls the order of plies in the laminate. You can:Select Regular when you want to specify a ply sequence identical to what is shown in the Ply table.Select Symmetric when you want to specify a symmetric ply sequence with an even number of plies.Select Symmetric with Core when you want to specify a symmetric ply sequence with an odd number of plies, the odd ply representing the central core. The core is assumed to be the top ply in the Ply table. Select Repeated when you want to specify a duplicate ply sequence. The laminate contains two copies of the plies in the Ply table, each in the same order as the original, and one on top of the other.Select Repeated with core when you want to specify a duplicate ply sequence with one ply being the core. The laminate contains two copies of each ply in the ply layup list, except the top ply. The copies appear in the same order as the original, and are stacked one on top of the other. The top ply in the ply layup list is the core and is not repeated.Select Inherited from layup when you use the global layup process in which laminate properties are automatically computed and assigned to element zones. Using this recipe means that the contents of the laminate physical property table are ignored, except for the solver properties and laminate properties groups. See Creating global plies and Creating zones for more information.
Reference Plane Location	Appears always except when you select Inherited from layup from the Stacking Recipe list.Controls the location of the reference plane for the laminate. You can:Select Top when you want the location of the reference plane to be at the top of the laminate.Select Middle when you want the location of the reference plane to be in the middle of the laminate.Select Bottom when you want the location of the reference plane to be at the bottom of the laminate.Select Specify when you want to specify the location of the reference plane.
Zone Angle Tolerance	Appears only when you select Inherited from layup from the Stacking Recipe list.Lets you specify the tolerance angle that the software uses to determine whether adjacent elements belong to the same zone or to two different zones. See Creating zones for more information.
Bottom Fiber Distance	Appears only when you select Specify from the Reference Plane Location list.Lets you specify the distance between the bottom of the laminate bottom ply and the reference plane.
Reference Temperature	Lets you specify the laminate reference temperature.
Ply Failure Theory	Specifies the ply failure theory that the software uses. You can:Select None when you do not want to perform a failure analysis.Select Hill to use the Hill theory for the failure analysis. See Hill failure analysis (2D) for more information.Select Hoffman to use the Hoffman theory for the failure analysis. See Hoffman failure analysis (2D) for more information.Select Tsai-Wu to use the Tsai-Wu theory for the failure analysis. See Tsai-Wu failure analysis (2D) for more information.Select Maximum Stress to use the maximum stress theory for the failure analysis. See Maximum stress failure analysis (2D) for more information.Select Maximum Strain to use the maximum strain theory for the failure analysis. See Maximum strain failure analysis (2D) for more information.Select Puck to use the Puck theory for the failure analysis. This theory applies to plies that have only ply materials with unidirectional fibers. See Puck failure analysis (2D) for more information.Select LaRC02 to use the LaRC02 theory for the failure analysis. This theory applies to plies that have only ply materials with unidirectional fibers. See LaRC02 failure analysis (2D) for more information.Select Von Mises Yield to use the Von Mises yield theory for the failure analysis. This theory applies to plies that have only isotropic materials. See Von Mises yield and Von Mises ultimate failure analyses (2D and 3D) for more information.Select Von Mises Ultimate to use the Von Mises ultimate theory for the failure analysis. This theory applies to plies that have only isotropic materials. See Von Mises yield and Von Mises ultimate failure analyses (2D and 3D) for more information.Select User Defined to use one of your specified ply failure theories from the User Defined Failure Theories group.Inherit from Material to inherit the ply failure theory from the material with defined laminate properties.
Interlaminar Failure Theory	Specifies the interlaminar failure theory.NoneDoes not perform interlaminar failure analysis.Transverse ShearUses the transverse shear interlaminar failure theory. See Interlaminar failure analysis (2D and 3D) for more information.User DefinedLets you use one of your specified interlaminar failure theories from the User Defined Failure Theories group.Inherit from MaterialInherits the interlaminar failure theory from the material with defined laminate properties.
Interlaminar Allowables	Specifies from where the material properties are used when Laminate Composites computes the interlaminar failure analysis.Use Material AllowablesUses the material allowables for interlaminar failure calculation. You can define the allowable shear stress in the following locations:Isotropic Material dialog box→Strength tab→Shear (SS) boxOrthotropic Material dialog box→Strength tab→Shear (SS13) and Shear (SS23) boxesUse Laminate AllowablesUses the laminate allowables for interlaminar failure calculation. You set the allowable value for the whole laminate in the Shear Stress for Bonding box.See Interlaminar failure analysis (2D and 3D) for more information.
Shear Stress for Bonding	Sets the allowable strength in shear of the bond between each ply for the whole laminate. This value is always used by the Nastran solver to compute interlaminar failure.
User Defined Failure Theories
Available when you set the Ply Failure Theory or Interlaminar Failure Theory to options to User Defined.
Ply Failure Theory	Specifies a ply failure theory that you defined in the customrt default.
Interlaminar Failure Theory	Specifies an interlaminar failure theory that you defined in the customrt default.

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Specify a user-defined failure theory

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Creating a laminate physical property

Defining laminate properties

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Laminate Modeler dialog box—Solver Properties group

Laminate Modeler dialog box — Ply Layup tab

Laminate Modeler dialog box — Validation group

Laminate Modeler dialog box — User Defined Failure Theories group

Laminate Modeler dialog box — Optimization group

Laminate Modeler dialog box — Ply Sketcher tab

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Laminate Modeler dialog box — Laminate Properties group, Simcenter 3D 2021.1 Series

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