Dear colleagues,
I am running a pushover analysis using load-control integrator. I use the following load control procedure,
set Tol 1.0e-12;
test NormDispIncr $Tol 1000 ;
algorithm Newton
integrator LoadControl 10.0
analysis Static
analyze 10
I usually change the 'integrator LoadControl' increment and 'analyze' number of step and errors runs.
UniaxialMaterial::setTrial() - material failed in setTrialStrain()
ForceBeamColumn2d::update() - section failed in setTrial
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 10
OpenSees > analyze failed, returned: -3 error flag
I appreciate your help.
load Control !
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parasismique
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selimgunay
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Re: load Control !
It is always better to run pushover with displacement control, otherwise your run will stop converging after the initial elastic response