Function Tab

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Allows you to define a function that drives an action-only force, action/reaction force, action-only moment, or an action/reaction moment.

Function

Select the function that drives the motion generator assigned to this degree of freedom. For information on each function, click the link below.

  • Constant

  • Harmonic

  • Step

  • Spline

  • Expression - Only available if Function, above, is selected and if a model created by COSMOSMotion with a function driven by an expression is opened in COSMOSMotion. The simulation can be run using the expression, but the expression cannot be changed nor can a new expression be added.

Specify the following:

    • Expression: Edits the force or moment expression. If you make a change to an expression, the A button verifies and accepts the change and the X button cancels the change.

    • Function: Inserts a function into the motion expression using dialog templates with fields for function arguments at the current insertion point. The new function replaces any selected text. If you select an existing function and the template dialog box recognizes it, it initializes the template fields with the function's arguments for editing.

    • Marker: Inserts a Marker ID into the motion expression at the current insertion point, replacing any selected text. Certain MSC.ADAMS functions require a Marker ID as an argument.

    • Cancel: Cancels all changes to the expression since the last Check.

    • Check: Verifies changes to the expression. If an error exists, a message indicates the offending position.

    • Plot Functions - Displays a plot of the current function (for constant, step, harmonic, and spline functions only).

Revert

Causes the entity to revert to the state after the last change or at the start of the edit.  

image\ebx_-1624375075.gif Pin - When the pin is in, selecting Apply does not close the dialog box, except when the edited entity is a joint derived from a mate. When the pin is out, the dialog box closes when you select Apply.

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