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Masses may be automatically generated from some static loads. This feature may simplify the task of mass definition. The user just needs to input appropriate load (concentrated forces, distributed load) and then invoke the action of generation.
Define a new load case where the load-to-be-transformed will be defined.
Input the load.
Open the Mass Groups Manager.
If required, create a new mass group.
Adjust the required load case in the property table of the group.
Invoke the action by means of [Create masses from load case] button.
Confirm the action with [OK] button.
The masses are generated (no special message is issued about the successful completion of the action).
There are several rules and limitations concerning this step:
only vertical load is considered during the generation,
nodal force is transformed into a nodal mass,
concentrated load on beams is transformed into a concentrated mass on a beam,
distributed load on beams is transformed into a distributed mass on a beam,