xref: /petsc/src/tao/bound/tutorials/output/jbearing2_17.out (revision 3e6fa7ea8e5fd4baed9b6005d5159317cde144c5)

---- Journal Bearing Problem SHB-----
mx: 8,  my: 12,  ecc: 0.1

iter =   0, Function value 0., Residual: 1.11613
iter =   1, Function value -0.149218, Residual: 0.455114
iter =   2, Function value -0.171733, Residual: 0.500897
iter =   3, Function value -0.180877, Residual: 0.184774
iter =   4, Function value -0.182912, Residual: 0.0405288
iter =   5, Function value -0.183172, Residual: 0.0231785
iter =   6, Function value -0.18333, Residual: 0.0185706
iter =   7, Function value -0.183383, Residual: 0.0226116
iter =   8, Function value -0.183423, Residual: 0.00752555
iter =   9, Function value -0.183432, Residual: 0.00421483
iter =  10, Function value -0.183435, Residual: 0.00262912
iter =  11, Function value -0.183436, Residual: 0.00380443
iter =  12, Function value -0.183437, Residual: 0.000920364
iter =  13, Function value -0.183437, Residual: 0.000609893
iter =  14, Function value -0.183437, Residual: 0.000411367
iter =  15, Function value -0.183437, Residual: 0.00015265
iter =  16, Function value -0.183437, Residual: 9.77511e-05
Tao Object: 1 MPI process
  type: bqnls
    Tao Object: (tao_bnk_) 1 MPI process
      type: bncg
        CG Type: ssml_bfgs
        Skipped Stepdirection Updates: 0
        Scaled gradient steps: 0
        Pure gradient steps: 0
        Not a descent direction: 0
        Line search fails: 0
        Matrix has not been preallocated yet
      TaoLineSearch Object: (tao_bnk_) 1 MPI process
        type: more-thuente
        maximum function evaluations=30
        tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
        total number of function evaluations=0
        total number of gradient evaluations=0
        total number of function/gradient evaluations=0
        Termination reason: CONTINUE_ITERATING
      Active Set subset type: subvec
      convergence tolerances: gatol=1e-08,       grtol=1e-08,       steptol=0.,       gttol=0.
      Residual in Function/Gradient:=0.
      Objective value=0.
      total number of iterations=0,                              (max: 2000)
      Solver never run
    Rejected BFGS updates: 0
    CG steps: 0
    Newton steps: 0
    BFGS steps: 15
    Scaled gradient steps: 1
    Gradient steps: 0
    KSP termination reasons:
      atol: 0
      rtol: 0
      ctol: 0
      negc: 0
      dtol: 0
      iter: 0
      othr: 0
  Mat Object: (tao_bqnls_) 1 MPI process
    type: lmvmbfgs
    rows=96, cols=96
      Max. storage: 5
      Used storage: 5
      Number of updates: 15
      Number of rejects: 0
      Number of resets: 0
      J0:
        Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process
          type: constantdiagonal
          Diagonal value: 8.4222
      Rescale type: scalar
      Rescale history: 1
      Rescale params: alpha=1., beta=0.5, rho=1.
  TaoLineSearch Object: 1 MPI process
    type: more-thuente
    maximum function evaluations=30
    tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9
    total number of function evaluations=0
    total number of gradient evaluations=0
    total number of function/gradient evaluations=1
    using variable bounds
    Termination reason: SUCCESS
  KSP Object: 1 MPI process
    type: stcg
    maximum iterations=10000, initial guess is zero
    tolerances: relative=1e-05, absolute=1e-50, divergence=10000.
    left preconditioning
    using DEFAULT norm type for convergence test
  PC Object: 1 MPI process
    type: lmvm
    PC has not been set up so information may be incomplete
    Mat Object: (tao_bqnls_) 1 MPI process
      type: lmvmbfgs
      rows=96, cols=96
        Max. storage: 5
        Used storage: 5
        Number of updates: 15
        Number of rejects: 0
        Number of resets: 0
        J0:
          Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process
            type: constantdiagonal
            Diagonal value: 8.4222
        Rescale type: scalar
        Rescale history: 1
        Rescale params: alpha=1., beta=0.5, rho=1.
  total KSP iterations: 0
  Active Set subset type: subvec
  convergence tolerances: gatol=0.0001,   grtol=1e-08,   steptol=0.,   gttol=0.
  Residual in Function/Gradient:=9.77511e-05
  Objective value=-0.183437
  total number of iterations=16,                          (max: 50)
  total number of function/gradient evaluations=19,      (max: unlimited)
  Solution converged:    ||g(X)|| <= gatol