Name of the variable that describes the response spectrum
The default name will be set up as LRFD07_Csm. A two-digit alpha-numeric suffix (Variable postfix) can be added to that name (e.g. in case that more than one response spectrum is generated to not overwrite the existing ones).
The variable (and the related variables, formulas and tables) is stored in and can be used when defining the earthquake load ().
The variable describing the response spectrum will be given in terms of Csm/A (-) as a function of the period Tm (s).
Therefore the respective design ground accelerations must be considered when defining the vectors within the earthquake load definition; i.e.:
Csm (A) / A [-] -> Earthquake load: Csm (A) / A * ag = Csm (ag) [m/s2]
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