I have some questions about the RC frames，Could you help me please

[lijie]

When I run it，the following warning appears：

WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 1(dW: << 0.337073)
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 17.3508
OpenSees > analyze failed, returned: -3 error flag
Trying Newton with initial tangent
WARNING: CTestNormDispIncr::test() - failed to converge
after: 2000 iterations current Norm: 0.0181974 (max: 1e-08, Norm deltaR: 38109.4)
NewtonRaphson::solveCurrentStep() -the ConvergenceTest object failed in test()
StaticAnalysis::analyze() - the Algorithm failed at iteration: 0 with domain at load factor 17.1039
OpenSees > analyze failed, returned: -3 error flag
trying broyden
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 1(dW: << 1.37234e+08)
Domain::update - domain failed in update
DisplacementControl::update - model failed to update for new dU
WARNING Broyden::solveCurrentStep() -the Integrator failed in update()
StaticAnalysis::analyze() - the Algorithm failed at iteration: 0 with domain at load factor 26.8944
OpenSees > analyze failed, returned: -3 error flag
trying Newton with line Search
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 2(dW: << 3.36313e+08)
Domain::update - domain failed in update
DisplacementControl::update - model failed to update for new dU
WARNInG InitialInterpolatedLineSearch::search() -the Integrator failed in update()
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 2(dW: << 3.09931e+07)
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 24.1437
OpenSees > analyze failed, returned: -2 error flag
Trying Newton with initial tangent
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 2(dW: << 2.98867e+07)
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 24.1426
OpenSees > analyze failed, returned: -2 error flag
trying broyden
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 2(dW: << 2.98867e+07)
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 24.1426
OpenSees > analyze failed, returned: -2 error flag
trying Newton with line Search
WARNING - ForceBeamColumn2d::update - failed to get compatible element forces & deformations for element: 2(dW: << 2.98867e+07)
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 24.1426
OpenSees > analyze failed, returned: -2 error flag
Cyclic analysis finished FAILED: CtrlNode 3,CtrlDOF 1,Disp=1.8008 mm
-1

What is the reason for this？？？？

[mhscott]

There's probably an error in your section definition
https://portwooddigital.com/2021/10/10/ ... ompatible/