Assign Direct Analysis Attributes dialog
This dialog is used to define parameters used in the direct analysis method described in AISC 360 Appendix 7.
Opens when the Direct Analysis Attributes tool is selected from the Properties group on the Member ribbon tab.
| Setting | Description |
|---|---|
| Tau-b | Type the value to use for τb . Members whose flexural stiffness is considered to contribute to the lateral stability of the structure should have a τb value specified. These members will have their EI factored by 0.80 times τb while performing the global solution. The final member forces and code check will be with 100% of the flexural stiffness. |
| Axial | Check this option to identify assigned members whose axial stiffness is considered to contribute to the lateral stability of the structure. These members will have their EA factored by 0.80 while performing the global solution. The final member forces and code check will be with 100% of the axial stiffness. |