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a couple of things. 1. first of all, the analysis does not run because your structure is not connected -- the beams are not connected to the columns. hence, the beams just fly away -- actually, the stiffness matrix is not positive definite. 2. use the elasticPP material very carefully as it has a z...

I am new to opensees and I am trying to analyze a threestory( 4 bay frame ). I first want to apply and analyze only the loads that are assigned to the girders (eleLoads). Can anyone review this script and show me what I'm doing wrong? Is there anything else to help me other than the manual, the limi...

I read the discussions about displaying and I still have a few questions. This is what I found on the discussion board. # a window showing the displaced shape recorder display Cantilever 10 10 300 300 -wipe # next three commmands define viewing system, all values in global coords vrp 288.0 150.0 0 #...

thank you for posting your file. the only mistake in your input file is that you didn't put a ; at the end of a command before you put in the comment, where you close your load pattern. you have: } # constant Gravity load should have: }; # constant Gravity load if you concatenate two commands into ...

how is it not working? please post yo0ur script. thanx I got the simple frame to work, however this 3 story frame is not. Why? Here is my script. when I source it in it replies: Warning bad command - want: nodeID 3 forces Input Command: load Warning- error reading load pattern information in{} # De...

I am trying to apply a distributed load to an elasticBeamColumn. I've used the manual and have seen the eleLoad command. However I can't get it to work. This is what I am writing: eleLoad -ele 1 -type -beamUniform 0.41667 compared to eleLoad -ele $eleTag1 <$eleTag2 ....> -type -beamUniform $Wz <$Wx>...