gap material

civilso · Post by **civilso** » Sat Oct 30, 2010 1:56 pm

HI EVERY BODY
I use gap material in my model (element 3)but unfortunately i face an error with this feature:
"force beam column2d::update- failed to get compatible element forces and deformation for element:3<dw:<<0.000123869>."

my model's analysis is static and loading is cyclic
i don't know how can i solve this error

vesna · Post by **vesna** » Mon Nov 01, 2010 10:44 am

Would you copy the whole message that you get after running the code? I would like to see at what step of analysis it fails. Would you also look at the force in the gap element when the convergence problem appears? Is it smaller or bigger then Fy?

civilso · Post by **civilso** » Wed Nov 03, 2010 8:23 am

hi
# Cyclic Loading
foreach Dincr {
0.394
-0.394
-0.394
0.394
0.394
-0.394
-0.394
0.394
0.591
-0.591
-0.591
0.591
0.591
-0.591
-0.591
0.591
0.787
-0.787
-0.787
0.787
0.787
-0.787
-0.787
0.787
1.181
-1.181
-1.181
1.181
1.181
-1.181
-1.181
1.181
1.575
-1.575
-1.575
1.575
1.575
-1.575
-1.575
1.575
2.362
-2.362
-2.362
2.362
2.362
-2.362
-2.362
2.362
3.543
-3.543
-3.543
3.543
3.543
-3.543
-3.543
3.543
4.724
-4.724
-4.724
4.724
4.724
-4.724
-4.724
4.724
5.906
-5.906
-5.906
5.906
7.087
-7.087
-7.087
7.087
7.087
-7.087
-7.087
7.087
8.268
-8.268
-8.268
8.268
8.268
-8.268
-8.268
8.268} {
integrator DisplacementControl 8 1 [expr .005*$Dincr]
analyze 200
}
and all errors
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.18223e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.110764
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.17703e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.0613938
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.17703e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.0613938
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.18223e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.110764
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.18223e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.110764
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.17703e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.0613938
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.06787e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.104433
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.07282e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.153804
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.07282e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.153804
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.06787e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.104433
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.06787e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.104433
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.07282e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.153804
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.07282e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.153804
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.06787e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.104433
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.39656e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.147473
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.40222e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.196843
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.40222e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.196843
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.39656e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.147473
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.39656e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.147473
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.40222e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.196843
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.40222e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.196843
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.39656e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.147473
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.51751e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.190549
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.52341e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.239919
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.52341e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.239919
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.51751e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.190549
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.39975e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.233588
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.40542e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.282958
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.40542e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.282958
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.39975e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.233588
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.39975e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.233588
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.40542e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.282958
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.40542e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.282958
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.39975e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor -0.233588
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.0622e+023)
Domain::update - domain failed in update
DisplacementControl::update - model failed to update for new dU
WARNING NewtonRaphson::solveCurrentStep() -the Integrator failed in update()
StaticAnalysis::analyze() - the Algorithm failed at iteration: 0 with domain at
load factor 7.05179e+012
OpenSees > analyze failed, returned: -3 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.07737e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.325998
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.07737e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.325998
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.0622e+023)
Domain::update - domain failed in update
DisplacementControl::update - model failed to update for new dU
WARNING NewtonRaphson::solveCurrentStep() -the Integrator failed in update()
StaticAnalysis::analyze() - the Algorithm failed at iteration: 0 with domain at
load factor 7.05179e+012
OpenSees > analyze failed, returned: -3 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.0622e+023)
Domain::update - domain failed in update
DisplacementControl::update - model failed to update for new dU
WARNING NewtonRaphson::solveCurrentStep() -the Integrator failed in update()
StaticAnalysis::analyze() - the Algorithm failed at iteration: 0 with domain at
load factor 7.05179e+012
OpenSees > analyze failed, returned: -3 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.07737e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.325998
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.07737e-008)
Domain::update - domain failed in update
DisplacementControl::newStep - model failed to update for new dU
StaticAnalysis::analyze() - the Integrator failed at iteration: 0 with domain at
load factor 0.325998
OpenSees > analyze failed, returned: -2 error flag
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces &
deformations for element: 2(dW: << 1.0622e+023)
Domain::update - domain failed in update
DisplacementControl::update - model failed to update for new dU
WARNING NewtonRaphson::solveCurrentStep() -the Integrator failed in update()
StaticAnalysis::analyze() - the Algorithm failed at iteration: 0 with domain at
load factor 7.05179e+012
OpenSees > analyze failed, returned: -3 error flag
OpenSees >
thanks for your help.

civilso · Post by **civilso** » Wed Nov 03, 2010 8:48 am

in my new model element 2 is gap

recorder Element -file Analysisstaticcycle_BeamColumn_Recorderele_GlbForc.out -time -ele 2 globalForce recorder
-0.0246879 -0.0123439 -0.000712555 0.000482405 0.0123439 0.000712555 -0.00119496
-0.0493765 -0.0246882 -0.00142472 0.000964548 0.0246882 0.00142472 -0.00238927
-0.0740667 -0.0370332 -0.00213652 0.00144644 0.0370332 0.00213652 -0.00358296
-0.0987592 -0.0493794 -0.00284797 0.0019281 0.0493794 0.00284797 -0.00477608
-0.123455 -0.0617272 -0.0035591 0.00240955 0.0617272 0.0035591 -0.00596866
-0.148154 -0.074077 -0.00426994 0.00289079 0.074077 0.00426994 -0.00716074
-0.172859 -0.086429 -0.00498049 0.00337185 0.086429 0.00498049 -0.00835236
-0.197568 -0.0987838 -0.0056908 0.00385273 0.0987838 0.0056908 -0.00954355
-0.222284 -0.111142 -0.00640087 0.00433346 0.111142 0.00640087 -0.0107344
-0.247007 -0.123503 -0.00711073 0.00481404 0.123503 0.00711073 -0.0119248
-0.271738 -0.135868 -0.00782041 0.0052945 0.135868 0.00782041 -0.013115
-0.296477 -0.148238 -0.00852992 0.00577485 0.148238 0.00852992 -0.0143048
-0.321225 -0.160612 -0.00923929 0.00625511 0.160612 0.00923929 -0.0154945
-0.345984 -0.172992 -0.00994854 0.00673528 0.172992 0.00994854 -0.0166839
-0.370754 -0.185376 -0.0106577 0.00721539 0.185376 0.0106577 -0.0178732
-0.395535 -0.197767 -0.0113668 0.00769544 0.197767 0.0113668 -0.0190623
-0.420329 -0.210164 -0.0120758 0.00817546 0.210164 0.0120758 -0.0202514
-0.445136 -0.222567 -0.0127848 0.00865546 0.222567 0.0127848 -0.0214404
-0.469957 -0.234978 -0.0134937 0.00913546 0.234978 0.0134937 -0.0226294
-0.494792 -0.247395 -0.0142027 0.00961546 0.247395 0.0142027 -0.0238184
-0.519644 -0.259821 -0.0149118 0.0100955 0.259821 0.0149118 -0.0250074
-0.544511 -0.272255 -0.0156208 0.0105755 0.272255 0.0156208 -0.0261966
-0.569396 -0.284697 -0.01633 0.0110557 0.284697 0.01633 -0.0273859
-0.594299 -0.297148 -0.0170393 0.0115358 0.297148 0.0170393 -0.0285753
-0.61922 -0.309609 -0.0177486 0.0120161 0.309609 0.0177486 -0.029765
-0.644161 -0.322079 -0.0184582 0.0124965 0.322079 0.0184582 -0.0309549
-0.669122 -0.33456 -0.0191678 0.0129769 0.33456 0.0191678 -0.0321451
-0.694104 -0.347051 -0.0198777 0.0134575 0.347051 0.0198777 -0.0333356
-0.719108 -0.359553 -0.0205878 0.0139383 0.359553 0.0205878 -0.0345264
-0.744134 -0.372066 -0.0212981 0.0144192 0.372066 0.0212981 -0.0357176
-0.769184 -0.384591 -0.0220086 0.0149002 0.384591 0.0220086 -0.0369093
-0.794258 -0.397128 -0.0227194 0.0153815 0.397128 0.0227194 -0.0381014
-0.819357 -0.409677 -0.0234306 0.0158629 0.409677 0.0234306 -0.0392939
-0.844481 -0.422239 -0.024142 0.0163446 0.422239 0.024142 -0.040487
-0.869632 -0.434815 -0.0248537 0.0168265 0.434815 0.0248537 -0.0416807
-0.89481 -0.447404 -0.0255658 0.0173086 0.447404 0.0255658 -0.042875
-0.920017 -0.460007 -0.0262783 0.017791 0.460007 0.0262783 -0.0440699
-0.945252 -0.472624 -0.0269912 0.0182736 0.472624 0.0269912 -0.0452654
-0.970516 -0.485257 -0.0277045 0.0187565 0.485257 0.0277045 -0.0464617
-0.995811 -0.497904 -0.0284183 0.0192398 0.497904 0.0284183 -0.0476587
-1.02114 -0.510567 -0.0291325 0.0197233 0.510567 0.0291325 -0.0488565
-1.04649 -0.523246 -0.0298471 0.0202072 0.523246 0.0298471 -0.0500551
-1.07189 -0.535941 -0.0305623 0.0206914 0.535941 0.0305623 -0.0512545
-1.09731 -0.548653 -0.031278 0.0211759 0.548653 0.031278 -0.0524548
-1.12277 -0.561382 -0.0319943 0.0216609 0.561382 0.0319943 -0.053656
-1.14826 -0.574129 -0.0327111 0.0221462 0.574129 0.0327111 -0.0548581
-1.17379 -0.586893 -0.0334285 0.0226319 0.586893 0.0334285 -0.0560613
-1.19936 -0.599676 -0.0341465 0.023118 0.599676 0.0341465 -0.0572654
-1.22496 -0.612478 -0.0348651 0.0236045 0.612478 0.0348651 -0.0584706
-1.2506 -0.625298 -0.0355843 0.0240915 0.625298 0.0355843 -0.0596769
-1.27628 -0.638138 -0.0363043 0.0245789 0.638138 0.0363043 -0.0608843
-1.302 -0.650998 -0.0370249 0.0250668 0.650998 0.0370249 -0.0620928
-1.32776 -0.663878 -0.0377462 0.0255552 0.663878 0.0377462 -0.0633025
-1.35356 -0.676779 -0.0384682 0.026044 0.676779 0.0384682 -0.0645135
-1.37941 -0.689701 -0.039191 0.0265334 0.689701 0.039191 -0.0657257
-1.40529 -0.702644 -0.0399145 0.0270232 0.702644 0.0399145 -0.0669391
-1.43122 -0.715609 -0.0406389 0.0275137 0.715609 0.0406389 -0.0681539
-1.4572 -0.728596 -0.041364 0.0280046 0.728596 0.041364 -0.0693701
-1.48322 -0.741605 -0.04209 0.0284961 0.741605 0.04209 -0.0705876
-1.50928 -0.754638 -0.0428168 0.0289882 0.754638 0.0428168 -0.0718065
-1.53539 -0.767694 -0.0435444 0.0294809 0.767694 0.0435444 -0.0730269
-1.56155 -0.780773 -0.044273 0.0299741 0.780773 0.044273 -0.0742488
-1.58776 -0.793877 -0.0450024 0.030468 0.793877 0.0450024 -0.0754722
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-3.03628 -1.51814 -0.0846469 0.0573107 1.51814 0.0846469 -0.141964
-3.0065 -1.50324 -0.0838448 0.0567676 1.50324 0.0838448 -0.140618
-2.9768 -1.48839 -0.0830446 0.0562257 1.48839 0.0830446 -0.139276
-2.94719 -1.47359 -0.0822461 0.0556851 1.47359 0.0822461 -0.137937
-2.91767 -1.45883 -0.0814495 0.0551457 1.45883 0.0814495 -0.136601
-2.88823 -1.44411 -0.0806547 0.0546075 1.44411 0.0806547 -0.135268
-2.85888 -1.42944 -0.0798617 0.0540706 1.42944 0.0798617 -0.133938
-2.82962 -1.4148 -0.0790704 0.0535348 1.4148 0.0790704 -0.132611
-2.80043 -1.40021 -0.0782809 0.0530002 1.40021 0.0782809 -0.131286
-2.77134 -1.38566 -0.0774931 0.0524668 1.38566 0.0774931 -0.129965
-2.74232 -1.37116 -0.076707 0.0519345 1.37116 0.076707 -0.128647
-2.71339 -1.35669 -0.0759227 0.0514034 1.35669 0.0759227 -0.127331
-2.68453 -1.34226 -0.0751399 0.0508734 1.34226 0.0751399 -0.126018
-2.65576 -1.32787 -0.0743589 0.0503446 1.32787 0.0743589 -0.124708
-2.62706 -1.31353 -0.0735795 0.0498169 1.31353 0.0735795 -0.123401
-2.59845 -1.29922 -0.0728017 0.0492902 1.29922 0.0728017 -0.122096
-2.56991 -1.28495 -0.0720255 0.0487647 1.28495 0.0720255 -0.120795
-2.54145 -1.27072 -0.0712509 0.0482402 1.27072 0.0712509 -0.119496
-2.51306 -1.25653 -0.0704779 0.0477168 1.25653 0.0704779 -0.118199
-2.48475 -1.24237 -0.0697065 0.0471945 1.24237 0.0697065 -0.116905
-2.45652 -1.22825 -0.0689366 0.0466732 1.22825 0.0689366 -0.115614
-2.42836 -1.21417 -0.0681682 0.0461529 1.21417 0.0681682 -0.114325
-2.40027 -1.20013 -0.0674013 0.0456336 1.20013 0.0674013 -0.113039
-2.37225 -1.18612 -0.0666359 0.0451154 1.18612 0.0666359 -0.111755
-2.34431 -1.17215 -0.0658719 0.0445981 1.17215 0.0658719 -0.110474
-2.31644 -1.15821 -0.0651094 0.0440819 1.15821 0.0651094 -0.109195
-2.28863 -1.14431 -0.0643484 0.0435666 1.14431 0.0643484 -0.107918
-2.2609 -1.13044 -0.0635887 0.0430522 1.13044 0.0635887 -0.106644
-2.23323 -1.11661 -0.0628305 0.0425388 1.11661 0.0628305 -0.105373
-2.20563 -1.10281 -0.0620736 0.0420263 1.10281 0.0620736 -0.104103
-2.1781 -1.08905 -0.061318 0.0415148 1.08905 0.061318 -0.102836
-2.15064 -1.07531 -0.0605639 0.0410042 1.07531 0.0605639 -0.101571
-2.12324 -1.06161 -0.059811 0.0404944 1.06161 0.059811 -0.100308
-2.0959 -1.04795 -0.0590594 0.0399855 1.04795 0.0590594 -0.099048
-2.06863 -1.03431 -0.0583092 0.0394776 1.03431 0.0583092 -0.0977896
-2.04142 -1.02071 -0.0575602 0.0389704 1.02071 0.0575602 -0.0965334
-2.01427 -1.00713 -0.0568124 0.0384641 1.00713 0.0568124 -0.0952793
-1.98719 -0.993592 -0.0560659 0.0379587 0.993592 0.0560659 -0.0940272
-1.96017 -0.980079 -0.0553205 0.037454 0.980079 0.0553205 -0.0927772
-1.9332 -0.966597 -0.0545764 0.0369502 0.966597 0.0545764 -0.0915291
-1.9063 -0.953145 -0.0538334 0.0364472 0.953145 0.0538334 -0.0902831
-1.87945 -0.939721 -0.0530916 0.0359449 0.939721 0.0530916 -0.0890389
-1.85266 -0.926327 -0.052351 0.0354434 0.926327 0.052351 -0.0877967
-1.82593 -0.91296 -0.0516114 0.0349427 0.91296 0.0516114 -0.0865564
-1.79925 -0.899622 -0.0508729 0.0344427 0.899622 0.0508729 -0.0853179
-1.77263 -0.886311 -0.0501356 0.0339435 0.886311 0.0501356 -0.0840812
-1.74606 -0.873028 -0.0493992 0.0334449 0.873028 0.0493992 -0.0828462
-1.71955 -0.859771 -0.048664 0.0329471 0.859771 0.048664 -0.0816131
-1.69309 -0.846541 -0.0479297 0.03245 0.846541 0.0479297 -0.0803816
-1.66668 -0.833337 -0.0471964 0.0319535 0.833337 0.0471964 -0.0791518
-1.64032 -0.820159 -0.0464641 0.0314577 0.820159 0.0464641 -0.0779237
-1.61402 -0.807005 -0.0457328 0.0309625 0.807005 0.0457328 -0.0766971
-1.58776 -0.793877 -0.0450024 0.030468 0.793877 0.0450024 -0.0754722
-1.56155 -0.780773 -0.044273 0.0299742 0.780773 0.044273 -0.0742488
-1.53539 -0.767694 -0.0435444 0.0294809 0.767694 0.0435444 -0.0730269
-1.50928 -0.754638 -0.0428168 0.0289882 0.754638 0.0428168 -0.0718065
-1.48322 -0.741605 -0.04209 0.0284961 0.741605 0.04209 -0.0705876
-1.4572 -0.728596 -0.041364 0.0280046 0.728596 0.041364 -0.0693701
-1.43122 -0.715609 -0.0406389 0.0275137 0.715609 0.0406389 -0.0681539
-1.40529 -0.702644 -0.0399145 0.0270232 0.702644 0.0399145 -0.0669391
-1.37941 -0.689701 -0.039191 0.0265334 0.689701 0.039191 -0.0657257
-1.35356 -0.676779 -0.0384682 0.026044 0.676779 0.0384682 -0.0645135
-1.32776 -0.663878 -0.0377462 0.0255552 0.663878 0.0377462 -0.0633025
-1.302 -0.650998 -0.0370249 0.0250668 0.650998 0.0370249 -0.0620928
-1.27628 -0.638138 -0.0363043 0.0245789 0.638138 0.0363043 -0.0608843
-1.2506 -0.625298 -0.0355843 0.0240915 0.625298 0.0355843 -0.0596769
-1.22496 -0.612478 -0.0348651 0.0236045 0.612478 0.0348651 -0.0584706
-1.19936 -0.599676 -0.0341465 0.023118 0.599676 0.0341465 -0.0572654
-1.17379 -0.586893 -0.0334285 0.0226319 0.586893 0.0334285 -0.0560613
-1.14826 -0.574129 -0.0327111 0.0221462 0.574129 0.0327111 -0.0548581
-1.12277 -0.561382 -0.0319943 0.0216609 0.561382 0.0319943 -0.053656
-1.09731 -0.548653 -0.031278 0.0211759 0.548653 0.031278 -0.0524548
-1.07189 -0.535941 -0.0305623 0.0206914 0.535941 0.0305623 -0.0512545
-1.04649 -0.523246 -0.0298471 0.0202072 0.523246 0.0298471 -0.0500551
-1.02114 -0.510567 -0.0291325 0.0197233 0.510567 0.0291325 -0.0488565
-0.995811 -0.497904 -0.0284183 0.0192398 0.497904 0.0284183 -0.0476587
-0.970516 -0.485257 -0.0277045 0.0187565 0.485257 0.0277045 -0.0464617
-0.945252 -0.472624 -0.0269912 0.0182736 0.472624 0.0269912 -0.0452654
-0.920017 -0.460007 -0.0262783 0.017791 0.460007 0.0262783 -0.0440699
-0.89481 -0.447404 -0.0255658 0.0173086 0.447404 0.0255658 -0.042875
-0.869632 -0.434815 -0.0248537 0.0168265 0.434815 0.0248537 -0.0416807
-0.844481 -0.422239 -0.024142 0.0163446 0.422239 0.024142 -0.040487
-0.819357 -0.409677 -0.0234306 0.0158629 0.409677 0.0234306 -0.0392939
-0.794258 -0.397128 -0.0227194 0.0153815 0.397128 0.0227194 -0.0381014
-0.769184 -0.384591 -0.0220086 0.0149002 0.384591 0.0220086 -0.0369093
-0.744134 -0.372066 -0.0212981 0.0144192 0.372066 0.0212981 -0.0357176
-0.719108 -0.359553 -0.0205878 0.0139383 0.359553 0.0205878 -0.0345264
-0.694104 -0.347051 -0.0198777 0.0134575 0.347051 0.0198777 -0.0333356
-0.669122 -0.33456 -0.0191678 0.0129769 0.33456 0.0191678 -0.0321451
-0.644161 -0.322079 -0.0184582 0.0124965 0.322079 0.0184582 -0.0309549
-0.61922 -0.309609 -0.0177486 0.0120161 0.309609 0.0177486 -0.029765
-0.594299 -0.297148 -0.0170393 0.0115358 0.297148 0.0170393 -0.0285753
-0.569396 -0.284697 -0.01633 0.0110557 0.284697 0.01633 -0.0273859
-0.544511 -0.272255 -0.0156208 0.0105755 0.272255 0.0156208 -0.0261966
-0.519644 -0.259821 -0.0149118 0.0100955 0.259821 0.0149118 -0.0250074
-0.494792 -0.247395 -0.0142027 0.00961546 0.247395 0.0142027 -0.0238184
-0.469957 -0.234978 -0.0134937 0.00913546 0.234978 0.0134937 -0.0226294
-0.445136 -0.222567 -0.0127848 0.00865546 0.222567 0.0127848 -0.0214404
-0.420329 -0.210164 -0.0120758 0.00817546 0.210164 0.0120758 -0.0202514
-0.395535 -0.197767 -0.0113668 0.00769544 0.197767 0.0113668 -0.0190623
-0.370754 -0.185376 -0.0106577 0.00721539 0.185376 0.0106577 -0.0178732
-0.345984 -0.172992 -0.00994854 0.00673528 0.172992 0.00994854 -0.0166839
-0.321225 -0.160612 -0.00923929 0.00625511 0.160612 0.00923929 -0.0154945
-0.296477 -0.148238 -0.00852992 0.00577485 0.148238 0.00852992 -0.0143048
-0.271738 -0.135868 -0.00782041 0.0052945 0.135868 0.00782041 -0.013115
-0.247007 -0.123503 -0.00711073 0.00481404 0.123503 0.00711073 -0.0119248
-0.222284 -0.111142 -0.00640087 0.00433346 0.111142 0.00640087 -0.0107344
-0.197568 -0.0987838 -0.0056908 0.00385273 0.0987838 0.0056908 -0.00954355
-0.172859 -0.086429 -0.00498049 0.00337184 0.086429 0.00498049 -0.00835236
-0.148154 -0.074077 -0.00426994 0.00289079 0.074077 0.00426994 -0.00716074
-0.123455 -0.0617272 -0.0035591 0.00240955 0.0617272 0.0035591 -0.00596866
-0.0987592 -0.0493794 -0.00284797 0.0019281 0.0493794 0.00284797 -0.00477608
-0.0740667 -0.0370332 -0.00213652 0.00144644 0.0370332 0.00213652 -0.00358296
-0.0493765 -0.0246882 -0.00142472 0.000964547 0.0246882 0.00142472 -0.00238927
-0.0246879 -0.0123439 -0.000712555 0.000482405 0.0123439 0.000712555 -0.00119496
9.14582e-014 -5.42494e-011 -6.8589e-011 -3.4848e-011 5.42494e-011 6.8589e-011 -3.3741e-011
0.0246851 0.0369823 0.00090483 0.0146744 -0.0369823 -0.00090483 -0.0137695

vesna · Post by **vesna** » Wed Nov 03, 2010 9:41 am

You have a convergence problem. It can come from different sources. The most common is incompatibility of analysis objects with the model of the structure.

When you use Elastic Perfectly Plastic Gap Material, the only way to do nonlinear analysis is to use load control integrator and to specify the loading pattern using "sp" command. Write your displacment cycles to a file and assign it to timeSeries that loading pattern "sp" is going to use.

civilso · Post by **civilso** » Wed Nov 03, 2010 3:07 pm

thanks alot. I try it immediately and say my results

civilso · Post by **civilso** » Thu Nov 11, 2010 1:20 pm

Hi
excuse me . I Wrote my displacment cycles to a file and assigned it to timeSeries, I used loading pattern "sp"
I don't have any errors but all answers (for example :displacement and reaction of nods) are zero.

1 0 0 0
2 0 0 0
3 0 0 0
4 0 0 0
5 0 0 0
6 0 0 0
7 0 0 0
8 0 0 0
9 0 0 0 ......

vesna · Post by **vesna** » Fri Nov 12, 2010 11:31 am

would you post example so I can take a look?

civilso · Post by **civilso** » Sun Nov 14, 2010 10:58 am

I used opensees navigator. I wrote it: units are (cm) and( kg)

# NodeCoord.tcl
# Node tag xCrd yCrd

node 1 +9.900000E+001 +1.500000E+002

node 2 +9.900000E+001 +1.000000E+002

node 3 +9.900000E+001 +5.000000E+001

node 4 +1.000000E+002 +1.500000E+002

node 5 +1.000000E+002 +1.000000E+002

node 6 +1.000000E+002 +5.000000E+001

# Elements.tcl
# Element "Elementst": eleTag NodeI NodeJ NIP secTag GeoTranTag Mass MaxIters Tol
element nonlinearBeamColumn 1 1 2 5 2 1 -mass +0.000000E+000 -iter 10 +1.000000E-008
# Element "Elementst": eleTag NodeI NodeJ NIP secTag GeoTranTag Mass MaxIters Tol
element nonlinearBeamColumn 2 2 3 5 2 1 -mass +0.000000E+000 -iter 10 +1.000000E-008
# Element "Elementst": eleTag NodeI NodeJ NIP secTag GeoTranTag Mass MaxIters Tol
element nonlinearBeamColumn 3 4 5 5 2 1 -mass +0.000000E+000 -iter 10 +1.000000E-008

# Element "Elementst": eleTag NodeI NodeJ NIP secTag GeoTranTag Mass MaxIters Tol
element nonlinearBeamColumn 4 5 6 5 2 1 -mass +0.000000E+000 -iter 10 +1.000000E-008
# Element "Elementgap": eleTag NodeI NodeJ NIP secTag GeoTranTag Mass MaxIters Tol
element nonlinearBeamColumn 5 2 5 5 1 1 -mass +0.000000E+000 -iter 10 +1.000000E-008

# Materials.tcl
# Material "Materialst": matTag Fy E b a1 a2 a3 a4
uniaxialMaterial
Steel01 1 +2.400000E+003 +2.000000E+006 +5.000000E-002 +0.000000E+000 +1.000000E+000 +0.000000E+000 +1.000000E+000

# Material "Materialgap": matTag E Fy gap
uniaxialMaterial ElasticPPGap 2 +2.000000E+006 +2.400000E+003 +0.000000E+000

# Sections.tcl
# Section "Sectiongap": secTag
section Fiber 1 {

# PatchBox "Patch01": matTag NSIJ NSJK Iy Iz Jy Jz Ky Kz Ly Lz
patch quad 2 3 3 +3.380000E+000 +3.500000E+000 +3.380000E+000 -3.500000E+000 +3.500000E+000 -3.500000E+000 +3.500000E+000 +3.500000E+000
patch quad 2 3 3 -3.380000E+000 +3.500000E+000 -3.380000E+000 +3.380000E+000 +3.380000E+000 +3.380000E+000 +3.380000E+000 +3.500000E+000
patch quad 2 3 3 -3.380000E+000 -3.380000E+000 -3.380000E+000 -3.500000E+000 +3.380000E+000 -3.500000E+000 +3.380000E+000 -3.380000E+000
patch quad 2 3 3 -3.500000E+000 +3.500000E+000 -3.500000E+000 -3.500000E+000 -3.380000E+000 -3.500000E+000 -3.380000E+000 +3.500000E+000

#Fiber "Sectiongap": y z A matTag
fiber +0.000000E+000 +0.000000E+000 +0.000000E+000 2
}
# Section "Sectionst": secTag
section Fiber 2 {

# PatchBox "Patch01": matTag NSIJ NSJK Iy Iz Jy Jz Ky Kz Ly Lz
patch quad 1 3 3 +3.380000E+000 +3.500000E+000 +3.380000E+000 -3.500000E+000 +3.500000E+000 -3.500000E+000 +3.500000E+000 +3.500000E+000
patch quad 1 3 3 -3.380000E+000 +3.500000E+000 -3.380000E+000 +3.380000E+000 +3.380000E+000 +3.380000E+000 +3.380000E+000 +3.500000E+000
patch quad 1 3 3 -3.380000E+000 -3.380000E+000 -3.380000E+000 -3.500000E+000 +3.380000E+000 -3.500000E+000 +3.380000E+000 -3.380000E+000
patch quad 1 3 3 -3.500000E+000 +3.500000E+000 -3.500000E+000 -3.500000E+000 -3.380000E+000 -3.500000E+000 -3.380000E+000 +3.500000E+000

#Fiber "Sectionst": y z A matTag
fiber +0.000000E+000 +0.000000E+000 +0.000000E+000 1
}

# NodeMass.tcl
# Mass tag mx my mIz

# Analysis_1_Recorder.tcl
# Node Recorder "Recorder01": fileName <nodeTag> dof respType
recorder Node -file AnalysisCase01_Node_Recorder01_Dsp.out -time -node 2 -dof 1 2 3 disp
# Node Recorder "Recorder02": fileName <nodeTag> dof respType
recorder Node -file AnalysisCase01_Node_Recorder02_RFrc.out -time -node 4 -dof 1 2 3 reaction

# AnalysisOptn_1.tcl
# AnalysisOptn "AnalysisOptn static cycle": Type: Static

# ------------------------------------------------------

# Constraint Handler
constraints Transformation

# Convergence Test
test EnergyIncr +1.000000E-006 25 0 2

# Integrator
integrator LoadControl +1.000000E+000

# Solution Algorithm
algorithm Newton

# DOF Numberer
numberer RCM

# System of Equations
system BandGeneral

# Analysis Type
analysis Static

# LoadPattern_1.tcl
# LoadPattern "LoadPattern01": patternTag TimeSeries
pattern Plain 1 $TimeSeries01 {

# Load nodeTag LoadValues

# SP nodeTag dofTag DispValue
sp 5 1 +1.000000E+000

# eleLoad eleTags beamUniform Wy <Wx>

# eleLoad eleTags beamPoint Py xL <Px>
}

# TimeSeries.tcl
# TimeSeries "TimeSeries01": dt filePath cFactor
set TimeSeries01 "Series -dt +5.000000E-003 -filePath TimeSeries01.thf -factor +1.000000E+000"

# SPConstraint.tcl
# SPC tag Dx Dy Rz
fix 1 1 1 0
fix 3 1 1 0
fix 4 1 1 0
fix 6 1 1 0

# MPConstraint.tcl

# GeoTran.tcl
# GeoTran type tag
geomTransf Corotational 1

# example.tcl
########################

# Analysis-Sequence 1
#
########################

# Start of model generation

# =========================

# Create ModelBuilder

# -------------------
model BasicBuilder -ndm 2 -ndf 3

# Define geometry

# ---------------
source NodeCoord.tcl

# Define Single Point Constraints

# -------------------------------
source SPConstraint.tcl

# Define nodal masses

# -------------------
source NodeMass.tcl

# Define Multi Point Constraints

# ------------------------------
source MPConstraint.tcl

# Define material(s)

# ------------------
source Materials.tcl

# Define section(s)

# -----------------
source Sections.tcl

# Define geometric transformation(s)

# ----------------------------------
source GeoTran.tcl

# Define element(s)

# -----------------
source Elements.tcl

# Define time series

# ------------------
source TimeSeries.tcl
# Start of anaysis generation

# ===========================
# Get Initial Stiffness

# ---------------------
initialize

# Analysis: AnalysisCase01

# ++++++++++++++++++++++++
# Define load pattern

# -------------------
source LoadPattern_1.tcl

# Define recorder(s)

# --------------------
source Analysis_1_Recorder.tcl

# Define analysis options

# -----------------------
source AnalysisOptn_1.tcl

analyze 200

# Clean up

# --------
wipe

vesna · Post by **vesna** » Mon Nov 15, 2010 12:48 pm

The laod factor for the load control has to be equal to $dt of your $TimeSeries01 which is +5.000000E-003 in your case.

civilso · Post by **civilso** » Mon Nov 15, 2010 1:23 pm

I changed load factor but i have this error ??

WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 5(dW: << 7.10285e-005)
Domain::update - domain failed in update
LoadControl::update - model failed to update for new dU
WARNING NewtonRaphson::solveCurrentStep() -the Integrator failed in update()
StaticAnalysis::analyze() - the Algorithm failed at iteration: 0 with domain at load factor 0.005
OpenSees > analyze failed, returned: -3 error flag

vesna · Post by **vesna** » Mon Nov 15, 2010 1:50 pm

ElasticPPGap material you use is defined only on the positive side. In order to apply cycling loading on your model you need a material that has negative stress-strain relationship as well. To can do that by defining a series material that will consist of your ElasticPPGap material and another material apropriate for your model but with the definition of negative stress-strain relationship.

I do not now what is in your TimeSeries01.thf, but make sure that you are not going from 0 displacement to max. displacement of the n-th cycle in one step.

civilso · Post by **civilso** » Tue Nov 16, 2010 11:47 am

How can I do this? can you explain clearly

it is TimeSeries01.thf.i think it has 21 cycles
0.394
-0.394
-0.394
0.394
0.394
-0.394
-0.394
0.394
0.591
-0.591
-0.591
0.591
0.591
-0.591
-0.591
0.591
0.787
-0.787
-0.787
0.787
0.787
-0.787
-0.787
0.787
1.181
-1.181
-1.181
1.181
1.181
-1.181
-1.181
1.181
1.575
-1.575
-1.575
1.575
1.575
-1.575
-1.575
1.575
2.362
-2.362
-2.362
2.362
2.362
-2.362
-2.362
2.362
3.543
-3.543
-3.543
3.543
3.543
-3.543
-3.543
3.543
4.724
-4.724
-4.724
4.724
4.724
-4.724
-4.724
4.724
5.906
-5.906
-5.906
5.906
7.087
-7.087
-7.087
7.087
7.087
-7.087
-7.087
7.087
8.268
-8.268
-8.268
8.268
8.268
-8.268
-8.268
8.268

vesna · Post by **vesna** » Tue Nov 16, 2010 1:21 pm

Look at the series material command:
http://opensees.berkeley.edu/wiki/index ... s_Material

Think of materials that you can connect in series in order to simulate the material behavior that you want.

TimeSeries01.thf needs refinement. Divide each cycle into n steps, where n has to be big enough (n=10 to 100) depending on the maximum displacement of the cycle. In order not to have convergence problems, have several steps before you enter nonlinear range.

civilso · Post by **civilso** » Fri Dec 03, 2010 12:18 pm

Hi
I used series material for gap element.
gap material E=2100000
minus gap material E=-2100000
after that I refined my displacement file.

so I don't have convergence error but
the reaction of sp points that connect by gap material to main model are zero.it meens that gap material don't work properly

WHAT'S WRONG?