Surface-to-Surface Gluing dialog box (Simcenter Nastran/Multiphysics)

Type
Type	Specifies the face pair creation method:Automatic PairingCreates face pairs automatically using the Create Automatic Face Pairs dialog box.ManualLets you create face pairs manually by selecting a Source Region and a Target Region.
Destination Folder
Simulation Object Container	Specifies the folder in the Simulation Navigator in which the boundary condition will be stored. The list includes the root container and existing folders that you created using the New Folder command. Examples of a root container include Load Container, Constraint Container, and Simulation Object Container.
Folder Manager	Displays a hierarchical listing of existing folders. To create a new folder, right-click any level of the hierarchy and choose New Folder.
Automatic Face Pair Creation
Appears when the face pair creation method is set to Automatic Pairing.
Create Face Pairs	Opens the Create Automatic Face Pairs dialog box, which enables you to specify face pair generation properties, preview face pairs, and generate face pairs automatically.
Source Region
Appears when the face pair creation method is set to Manual.
Source Region	Lets you select the Region that defines the contacting surface in the glued pair. This source face defines the direction for the glued regions that get created. Select an existing region or click Create Region to create a new region. See Working with reusable regions.Note: The source and the target regions must contain the same type of entity (that is, faces, element faces, etc.).
Target Region
Appears when the face pair creation method is set to Manual.
Target Region	Lets you select the Region that defines the contacted surface in the glued pair. Select an existing region or click Create Region to create a new region. See Working with reusable regions.
Swap Regions
Appears when you are editing an existing face gluing object.
Swap Regions	Reverses the source and target regions when editing an existing face gluing object. The source and the target regions must contain the same type of entity (that is, faces, element faces, etc.).
Linear Settings (Simcenter Nastran) / Local Settings (Simcenter 3D Multiphysics)
Search Distance (BGSET)	Defines the search distance value for glued regions. For more information about defining a value for the search distance, see Additional magnitude options.For more information, see BGSET.
Override Parameters (BGPARM)	Defines the modeling object that contains parameters for the glue algorithm.For more information, see BGPARM.
Advanced Nonlinear Settings
Extension Factor (BGSET)	Defines the extension factor for the target region.For more information, see BGSET.
Thermal Properties
Activate Thermal Coupling	Appears for Simcenter 3D Multiphysics solutions of type Coupled and Thermal only.Transfers heat through the contact pairs.
Type	Specifies the type of thermal coupling.Perfect ContactTransfers heat with no thermal resistance.Heat Transfer CoefficientLets you define the heat transfer coefficient for the contact pair.
Coefficient	Appears when Type is set to Heat Transfer Coefficient.Sets the heat transfer coefficient value as a constant value or a value dependent on time, temperature, heat flow rate, temperature difference, or thermal capacitance. Specify power/(length2 x temperature) units.ExpressionSets a constant value for the coefficient.FieldLets you specify a coefficient field or scale factor.Specify FieldLets you select or create a coefficient field that varies with time, temperature, heat flow rate, temperature difference, or thermal capacitance.Scale FactorSets a multiplying factor to uniformly increase or decrease the coefficient.For more information, see Additional magnitude options.
Additional Thermal Parameters
Coupling Resolution	Controls the accuracy of the coupling. The software subdivides primary elements according to the Coupling Resolution before it determines conductances. With the One to One resolution, the solver calculates a single conductance from each primary element to the nearest secondary element.With the Coarse through Finest resolutions, the software subdivides each primary element into a progressively larger number of sub-elements.Note: The finer subdivision level may not always produce more accurate results.
Only Connect Overlapping Elements	Controls how the software establishes the conductances between the selected elements.
Overlap Projection Direction	Available when the Only Connect Overlapping Elements check box is selected.Controls whether the normal of the primary or secondary elements is used to calculate the area of overlap.
Temperature Dependence Uses	Specifies which temperature is used to evaluate the magnitude when temperature-varying function is used. You can define a temperature dependency in table fields, formula fields, 4D fields, and table of fields.Average TemperatureUses the average temperature of primary and secondary regions to evaluate the magnitude.Primary TemperatureUses the temperature of the primary region to evaluate the magnitude.For more information, see Temperature dependency for thermal and electrical couplings.
Boundary Condition Generation
Associate to Automatic Pair Recipe	Associates generated contact pairs with the automatic pair recipe. The automatic pair recipe is the set of parameters on the Create Automatic Face Pairs dialog box that determine how to compute and group face pairs.When this option is selected, the face gluing objects appear in the Simulation Navigator with the prefix Auto. If the master part is updated, the software recalculates the face pairs and updates the face gluing objects.When this option is cleared, the generated face pairs are not associated with the face pair recipe. If the master model changes, the face gluing objects are not updated. These objects behave the same as manually created face gluing objects.

These options are available when you click More Options .
Find	Lets you search for an object by entering the full name of the object. For example, to find a group named ABC_group, you must type ABC_group into the search box.After typing the name, press Enter or click Find . If the object is found, it will be selected automatically.
Filter by Name	Lets you filter the list by the names of the objects. This filter supports wildcards. The default wildcard of * displays all entries in the list. For example, to filter the list to display every object with a name starting with the letter "a," enter a* as the filter string.
Find	Starts the find or filter operation.

Additional magnitude options for boundary conditions
You can define the magnitude with a constant value, expression, or field. For more information, see Additional magnitude options for boundary conditions.

How do I

Define surface-to-surface gluing (Simcenter Nastran)

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Surface-to-surface gluing (Simcenter Nastran, Simcenter 3D Multiphysics)

Automatic face pairing

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Surface-to-Surface Gluing dialog box (Simcenter Nastran/Multiphysics), Simcenter 3D 2021.1 Series

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