Tutorial A2: Set Up the Analysis

Apply Constraints

  1. In the tree view, right-click on Constraints and choose New.
  2. Select the wider end of the wing.

  3. Click OK to finish defining the constraint.

Apply Loads

  1. Right-click on Loads and choose New.
  2. Change the Name to Shear Load.
  3. Select the edge on the outside surface (smaller end) as shown in the pictures below.

  4. Enter 1000 in the Fy field under Load Definition.
  5. Click the New Table button next to the drop-down, under the Transient Table Data section.
  6. When the Table Data – ‘Table 1’ dialog appears, change the Name to vs. Time, or you can leave it as Table 1.
  7. From the Type drop-down select Load Scale Factor vs. Time.
  8. Copy the data from the table below and paste it into the dialog (or simply type in the values).
    Time Load Scale Factor
    0 0
    0.005 0.159318207
    0.01 0.314566561
    0.015 0.461779176
    0.02 0.597195441
    0.025 0.717356091
    0.03 0.819191568
    0.035 0.900100442
    0.04 0.95801586
    0.045 0.991458348
    0.05 0.999573603
    0.055 0.982154317
    0.06 0.939645474
    0.065 0.87313298
    0.07 0.784315925
    0.075 0.675463181
    0.08 0.549355436
    0.085 0.40921417
    0.09 0.25861935
    0.095 0.101417986
    0.1 0
    0.11 0

  9. Click OK to define the table.
  10. Click OK once more to finish defining the load.

    The button will turn to once a table is defined. The star in the corner of the button means NEW and the pencil means EDIT. If the drop-down is changed back to New Table, then the little button will change to allow you to define a new table.

Define Damping

  1. In the Part tree, right-click on Damping 1 under Subcases and choose Edit.
  2. Select the Structural Damping checkbox. Type in 10 for the Damping Value and 7.603 for the Dominant Frequency.

    A modal analysis was performed to determine the dominant frequency for this model. This is typically the first natural frequency.

  3. Click OK.

Define the Dynamics Setup

  1. In the tree view, right-click on Dynamics Setup 1 and choose Edit.

  2. Type in 0.005 for Time Step and 60 for Number of Timesteps.

  3. Click OK.