Creating a Rosette Transfer Curve

This task shows you how to create and edit a curve that indicates where a chosen orientation is on the selected reference surface.
Rosette Transfer Curve uses the rosette transfer type information.
A rosette transfer curve can be used for draping simulation in producibility commands.
You can also create a rosette transfer curveinside a producibility command.
In that case, inputs are automatically proposed: Ply rosette, reference surface, orientation and the seed point.
Open the ManufacturingData1.CATPart document.
Older models must be upgraded to the new rosette feature.
Editing a rosette transfer curve requires access to a Composites license.

  1. Activate the geometrical set where you want to create the rosette transfer curve.

  2. Click Rosette Transfer Curve   in the Analysis toolbar.
    The Rosette Transfer Curve dialog box is displayed:

  3. Select a rosette among those defined in the Composites Parameters.

  4. Select the surface where the curve is created.
    In most cases, it is the reference surface.

  5. Select a passage point of the curve.
    A rosette transfer preview is attached to this point.

  6. Choose a direction among those defined in the Composites Parameters.

  7. Define a Maximum Deviation angle.

  8. Click Preview.
    A preview of the curve is displayed:
    • The Rosette is transferred at the selected point.
    • A point-direction goedesic line is created at the selected point in the direction given by the transferred rosette at the selected point.
      Its length depends on the surface size.
    • The Rosette is transferred at the end of the geodesic line.
      A new geodesic line is computed from there.
    • These two steps are repeated until the goedesic line is stopped by a surface boundary, or intersetcs another geodesic line, or itself.
      This could be the case on a cylindrical surface.
    • The process is repeated in the other direction from the selected point.

The curve creation stops if:
  • The Rosette cannot be transferred at the end of a geodesic line.
  • The geodesic lines cannot be created.
  • The deviation between the end point of a geodesic line and the transferred Rosette at this point exceeds the Maximum Deviation.

In such cases, the curve is created with the computed points, and an update warning is displayed.

A rosette transfer curve is created in the current geometric set. It can be used as any other curve on surface.