Nastran Analysis Interface Module (AIM)
Natran Analysis Interface Module (AIM)
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FEA Connection

Structure for the connection tuple = ("Connection Name", "Value"). "Connection Name" defines the reference name to the capsConnect being specified and denotes the "source" node for the connection. The "Value" can either be a JSON String dictionary (see Section JSON String Dictionary) or a single string keyword (see Section Single Value String).

JSON String Dictionary

If "Value" is JSON string dictionary (e.g. "Value" = {"dofDependent": 1, "propertyType": "RigidBody"}) the following keywords ( = default values) may be used:

  • connectionType = RigidBody
    Type of connection to apply to a given capsConnect pair defined by "Connection Name" and the "groupName". Options: Mass (scalar), Spring (scalar), Damper (scalar), RigidBody, RigidBodyInterpolate.
  • dofDependent = 0
    Component numbers / degrees of freedom of the dependent end of rigid body connections (ex. 123 - translation in all three directions).
  • componentNumberStart = 0
    Component numbers / degrees of freedom of the starting point of the connection for mass, spring, and damper elements (scalar) ( 0 <= Integer <= 6).
  • componentNumberEnd= 0
    Component numbers / degrees of freedom of the ending point of the connection for mass, spring, damper elements (scalar), and rigid body interpolative connection ( 0 <= Integer <= 6).
  • stiffnessConst = 0.0
    Stiffness constant of a spring element (scalar).
  • dampingConst = 0.0
    Damping coefficient/constant of a spring or damping element (scalar).
  • stressCoeff = 0.0
    Stress coefficient of a spring element (scalar).
  • mass = 0.0
    Mass of a mass element (scalar).
  • weighting = 1
    Weighting factor for a rigid body interpolative connections.
  • groupName = "(no default)"
    Single or list of capsConnect names on which to connect the nodes found with the tuple name ("Connection Name") to. (e.g. "Name1" or ["Name1","Name2",...].

Single Value String

If "Value" is a string, the string value may correspond to an entry in a predefined connection lookup table. NOT YET IMPLEMENTED!!!!