Issue Analyze failed : how can i fix this?

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  • #26856
    Chovam
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    My model is cantilever column

     

    ProfileSPDLinDirectSolver::solve() – aii < 0 (i, aii): (0,0)
    WARNING NewtonRaphson::solveCurrentStep() -the LinearSysOfEqn failed in solve()
    StaticAnalysis::analyze() – the Algorithm failed at iteration: 0 with domain at load factor 0.1
    OpenSees > analyze failed, returned: -3 error flag
    Model Built
    WARNING BandGenLinLapackSolver::solve() -factorization failed, matrix singular U(i,i) = 0, i= 1
    DisplacementControl::newStep(void) – failed in solver
    StaticAnalysis::analyze() – the Integrator failed at iteration: 0 with domain at load factor 0
    OpenSees > analyze failed, returned: -2 error flag
    Trying Newton with Initial Tangent ..
    WARNING BandGenLinLapackSolver::solve() -factorization failed, matrix singular U(i,i) = 0, i= 1
    DisplacementControl::newStep(void) – failed in solver
    StaticAnalysis::analyze() – the Integrator failed at iteration: 0 with domain at load factor 0
    OpenSees > analyze failed, returned: -2 error flag
    Trying Broyden ..
    WARNING BandGenLinLapackSolver::solve() -factorization failed, matrix singular U(i,i) = 0, i= 1
    DisplacementControl::newStep(void) – failed in solver
    StaticAnalysis::analyze() – the Integrator failed at iteration: 0 with domain at load factor 0
    OpenSees > analyze failed, returned: -2 error flag
    Trying NewtonWithLineSearch ..
    WARNING BandGenLinLapackSolver::solve() -factorization failed, matrix singular U(i,i) = 0, i= 1
    DisplacementControl::newStep(void) – failed in solver
    StaticAnalysis::analyze() – the Integrator failed at iteration: 0 with domain at load factor 0
    OpenSees > analyze failed, returned: -2 error flag
    PROBLEM Cyclic analysis: CtrlNode 013, dof 1, Disp=0.0000 mm
    -1

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