Nastran reference manual : Dynamic loads


This section describes all options of the Dynamic Loads menu.
There are two ways to enter the conditions for dynamic analysis:

  • First, when the conditions are dependent on the frequency. In this case the user has to use frequency dependent dynamic loads. Only loads with its' names including 'Freq' can be used in this case.
  • Second, when the conditions are time dependent. In this case the user has to use time dependent dynamic loads. Only loads with its' names including 'Time' can be used in this case.
    It is important not to confuse these two forms of loads introduction with an analysis formulation (modal or direct).