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Design Cycle

The design cycle consists of the following steps:

  • Set up section sizes and brace locations based on the geometry and loading specified for the frame design.
  • Calculate moment, shear, and axial force at each analysis point for each load combination.
  • Compute allowable shear, allowable axial and allowable bending stress in compression and tension at each analysis point.
  • Compute the corresponding stress ratios for shear, axial and bending based on the actual and allowable stresses and calculate the combined stress ratios.
  • Design the optimum splice location and check to see whether the predicted sizes confirm to manufacturing constraints.
  • Using the web optimization mode, arrive at the optimum web depths for the next cycle and update the member data file.
  • At the end of all design cycles, an analysis is run to achieve flange brace optimization.