PSHELL dialog box (Nastran)

Physical Property Table
Name	Defines the name of the physical property table.
Label	Specifies a unique numerical identifier for the physical property table.
Properties
Plane Strain	Controls whether Nastran treats elements that are assigned this physical property table as plane strain elements.Select Plane Strain to have Nastran treat the associated elements as 2D plane strain elements.Clear the Plane Strain check box to have Nastran treat the associated elements as 2D plane stress elements.If you select Plane Strain, Nastran interprets In-plane loads applied to plane strain elements as line-loads with a value equal to the load divided by the thickness. For example, if you specify a Default Thickness value of 1.0, then the value of the line-load equals the load value. Pressure can be approximated with multiple line loads where the pressure value equals the line-load divided by the length between the loads.
Material 1	Lets you specify the material to use for the membrane. Select an existing material from the list or click Choose Material to create a new material.If you do not select a material from the Material 1 list, the associated elements will have no membrane or coupling stiffness.This option corresponds to the MID1 field in the PSHELL bulk data entry.
Use Material 1 for Material 2	Select this option to use the material you selected from the Material 1 list as the bending material.
Material 2	Lets you specify the material to use for the bending material. Select an existing material from the list or click Choose Material to create a new material.If you do not select a material from the Material 2 list, or select the Use Material 1 for Material 2 check box, the associated elements will have no bending, coupling, or transverse shear stiffness.This option corresponds to the MID2 field in the PSHELL bulk data entry.
Use Material 1 for Material 3	Select this option to use the material you selected from the Material 1 list as the transverse shear material.
Material 3	Lets you specify the material to use for the transverse shear material. Select an existing material from the list or click Choose Material to create a new material.If you do not select a material from the Material 3 list, or select the Use Material 1 for Material 3 check box, the associated elements will have no transverse shear flexibility.This option corresponds to the MID3 field in the PSHELL bulk data entry.
Material 4	Lets you specify the material to use for membrane-bending coupling.You should not specify a Material 4 material if the material properties are symmetric.This option corresponds to the MID4 field in the PSHELL bulk data entry.
Default Thickness	Defines the default membrane thickness.This option corresponds to the T field in the PSHELL bulk data entry.
Bending Coefficient of Inertia Ratio	Specifies the bending moment of inertia ratio, 12I/T3. Defines the ratio of the actual bending moment inertia of the shell, I, to the bending moment of inertia of a homogenous shell, T3/12.This option corresponds to the 12I/T**3 field in the PSHELL bulk data entry.
Transverse Shear Thickness Ratio	Defines the transverse shear thickness ratio, Ts/T. This is the ratio of the shear thickness, (Ts) to the membrane thickness of the shell, T.This option corresponds to the TS/T field in the PSHELL bulk data entry.
Nonstructural Mass	Defines the nonstructural mass per unit area. This option corresponds to the NSM field in the PSHELL bulk data entry.
Fiber Distance, Z1****Fiber Distance, Z2	Lets you specify the fiber distances for stress calculations. The positive direction is determined by the right-hand rule. The default for Z1 is -T/2.The default for Z2 is +T/2.T is the local plate thickness.These options correspond to the Z1 and Z2 fields in the PSHELL bulk data entry.

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PSHELL dialog box (Nastran), Simcenter 3D 2021.1 Series

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