Contact Element KEYOPTS Modification (CNKMOD) dialog box (ANSYS)

Properties
Description	Lets you specify an optional description for the modeling object.
CNKMOD Parameters
Group Reference	Lets you select an existing group from the list, or click New Group to create, manage, or select element or node sets.For more information, see Group Reference options.
Element Selection	Lets you select the contact elements whose parameters you want to modify. Click More Options n to use the Smart Selector Methods dialog box to use a smart selection method to select the appropriate elements.
KEYOPT(3)	For contact elements CONTA171, CONTA172, CONTA173, and CONTA174, controls the units of normal contact stiffness.FORCE/LENGTH^3Specifies unit system typically used for contact traction models.FORCE/LENGTHSpecifies unit system typically used for contact force models.
KEYOPT(12)	Lets you modify the contact interface behavior between load steps in a linear perturbation analysis.

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ANSYS prestressed modal analyses with linear perturbation

Set up a large deflection, prestressed modal cyclic symmetry analysis

Controlling how ANSYS writes restart files

Modifying the behavior of contact pairs

Specifying linear perturbation options

Contact Element KEYOPTS Modification (CNKMOD) dialog box (ANSYS), Simcenter 3D 2021.1 Series

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