When running Time History analysis are they able to get restraint reactions?
Open the example time history model that comes with AutoPIPE:
APHAM1.DAT
Perform a complete time history analysis and check the "Support" tab on the Results grids for M1 load case:
Yes, a time history can produce support loads.
Reason for no loads on segment A, the forces generated by the transient are not restrained by any of the supports bearing directions.
"Time History" Results in AutoPIPE
Bentley AutoPIPE