STAAD.Pro HelpModelingM. Loading Your ModelM. Notional Loads M. Notional Loads Notional loads are nominal lateral loads used in a direct analysis, such as specified in AISC 360. M. To define direct analysis parametersTo define the member parameters used in an AISC 360 direct analysis, use the following procedure. M. To add a notional load caseTo add notional loads to a load case for use with direct analysis, use the following procedure. Parent Topic: M. Loading Your Model