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Good morning, I found this WARNING when i applied the gravity on my model what's the problem (i fixed the node 3). Thank you in advance OpenSees > analyze $NstepGravity; # apply gravity WARNING PlainHandler::handle() - multiple single pointconstraints at DOF 0 for node 3 WARNING PlainHandler::handle...

Thank you for this answer it's ok now,it was the header, DT and NPTS of the record

Good morning, Dr.Mckenna i found a problem in reading accelerograms for this example "Ex4.Portal2D.analyze.Dynamic.EQ.Uniform" ; i used one from the peer website :"RSN1_HELENA.A_A-HMC180" instead of "H-E01140" I found the same results with the "Ex4.Portal2D.build.I...

Thank you Mr.Masoudmehr for the orientations.
I'm trying to model a RC bridge under a seismic loading can you send me your email for more orientations
zourgui2004@hotmail.com

2/10 it means the length of beam considered

Thank you for your answer but i used the same value 386.4 ; always a big value

Good morning DR.Mc kenna My problem is the period value,i found a big value 20,37 sec I dont know what's the problem This is my script units: kip in sec ####################################################### wipe ; # clear memory of all past model definitions model BasicBuilder -ndm 3 -ndf 6; # Def...

Thank you for this orientation but tdidn't understand the problem
What do you mean by fix: element...................

Good morning, I have a problem with the eigen analysis ,i found a big value of the period (198.69 sec !!!) .I didn't know what's the problem (this is my first model in opensees). My script is: #In the name of ALLAH the beneficent the mercy full #######################################################...

Thank you for your help kadirtopcu

Good evening, I 'am a beginner in opensses, i have been tried to modelise a simple 2d truss and i found a problem about the boundary conditions. i introduced : fix 1 1 1 and the opensees dosn't know this command "invalid command name "fix"" I want to know where is the problem . T...