Create parametric profiles with variable cross sections

Tekla Structures
2022
Tekla Structures

Create parametric profiles with variable cross sections

You can create parametric user-defined profiles with variable cross sections using the Profile Editor. You can use a profile with variable cross sections like any other parametric profile.

You can

  • use a cross section with different dimensions at different locations in a profile

  • modify the variables of the cross sections and the profile

  • save the profile and use it as a parametric profile through the profile catalog

  • import and export variable cross section profiles

Note:

When you use this method, only the dimensions of a variable cross section can vary, not the actual shape of the cross section. If you want to use several different cross section shapes in the profile, create a fixed profile with multiple cross sections instead.

Create a profile with variable cross sections

Before you start:

  • Create a sketched profile using the sketch editor.

  • In the Variables dialog box in the sketch editor, set Visibility to Show for the dimensions that you want to change when using the profile in a model.

  1. On the File menu, click Catalogs > Define properties > Define profile with variable cross section.

    The Define Profile with Variable Cross Section dialog box opens.

  2. Select the sketch you want to use as the start and end cross section of the profile.
  3. Click OK.

    The Profile Editor and the Profile preview view appear.

  4. Under Cross sections of the profile, add cross sections or remove selected cross sections by clicking Add or Remove.

    When you click Add, Tekla Structures adds a new cross section at the end of the profile, at the location 1.0., and moves the existing cross sections towards the start of the profile. By default, cross sections are located at 0.1 intervals in the profile.

  5. Under Cross section variables, define the following:
    • The relative location of each cross section in the profile.

      Use the *.Location variables. For example, start=0.00, middle=0.5, end=1.00.

    • How the cross sections are aligned in the horizontal and vertical direction.

      Use the *.HorPos and *.VerPos variables.

    • How much the cross sections are offset from the alignment.

      Use the *.HorOffset and *.VerOffset variables.

  6. If you have added new cross sections, check that they do not overlap any existing cross sections.
  7. Set Visibility to Show for the dimensions that you want to change when using the profile in a model.
  8. If you want to use parameter variables and equations to define the cross section dimension, click Add variable and define the variable values.
  9. Save the profile.
    1. Click Save.
    2. In the Save profile as dialog box, enter a unique name for the profile.

      You cannot include numbers in the profile name, or use the name of a standard profile.

    3. Click OK.

      Tekla Structures saves the profile in the current model folder.

Modify a profile with variable cross sections

  1. On the File menu, click Catalogs > Profile catalog to open the Modify Profile Catalog dialog box.
  2. Open the Others branch at the end of the profile tree.
  3. Right-click a profile with variable cross sections, and then select Edit profile to open the profile in the Profile Editor.
  4. Modify the profile properties.
  5. Click Save.
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