1 2---- Journal Bearing Problem SHB----- 3mx: 8, my: 12, ecc: 0.1 4 5iter = 0, Function value 0., Residual: 1.11613 6iter = 1, Function value -0.149218, Residual: 0.455114 7iter = 2, Function value -0.171733, Residual: 0.500897 8iter = 3, Function value -0.180877, Residual: 0.184774 9iter = 4, Function value -0.182912, Residual: 0.0405288 10iter = 5, Function value -0.183172, Residual: 0.0231785 11iter = 6, Function value -0.18333, Residual: 0.0185706 12iter = 7, Function value -0.183383, Residual: 0.0226116 13iter = 8, Function value -0.183423, Residual: 0.00752555 14iter = 9, Function value -0.183432, Residual: 0.00421483 15iter = 10, Function value -0.183435, Residual: 0.00262912 16iter = 11, Function value -0.183436, Residual: 0.00380443 17iter = 12, Function value -0.183437, Residual: 0.000920364 18iter = 13, Function value -0.183437, Residual: 0.000609893 19iter = 14, Function value -0.183437, Residual: 0.000411367 20iter = 15, Function value -0.183437, Residual: 0.00015265 21iter = 16, Function value -0.183437, Residual: 9.77511e-05 22Tao Object: 1 MPI process 23 type: bqnls 24 Tao Object: (tao_bnk_) 1 MPI process 25 type: bncg 26 CG Type: ssml_bfgs 27 Skipped Stepdirection Updates: 0 28 Scaled gradient steps: 0 29 Pure gradient steps: 0 30 Not a descent direction: 0 31 Line search fails: 0 32 Matrix has not been preallocated yet 33 TaoLineSearch Object: (tao_bnk_) 1 MPI process 34 type: more-thuente 35 maximum function evaluations=30 36 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 37 total number of function evaluations=0 38 total number of gradient evaluations=0 39 total number of function/gradient evaluations=0 40 Termination reason: CONTINUE_ITERATING 41 Active Set subset type: subvec 42 convergence tolerances: gatol=1e-08, grtol=1e-08, steptol=0., gttol=0. 43 Residual in Function/Gradient:=0. 44 Objective value=0. 45 total number of iterations=0, (max: 2000) 46 Solver never run 47 Rejected BFGS updates: 0 48 CG steps: 0 49 Newton steps: 0 50 BFGS steps: 15 51 Scaled gradient steps: 1 52 Gradient steps: 0 53 KSP termination reasons: 54 atol: 0 55 rtol: 0 56 ctol: 0 57 negc: 0 58 dtol: 0 59 iter: 0 60 othr: 0 61 Mat Object: (tao_bqnls_) 1 MPI process 62 type: lmvmbfgs 63 rows=96, cols=96 64 Max. storage: 5 65 Used storage: 5 66 Number of updates: 15 67 Number of rejects: 0 68 Number of resets: 0 69 J0: 70 Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process 71 type: constantdiagonal 72 Diagonal value: 8.4222 73 Rescale type: scalar 74 Rescale history: 1 75 Rescale params: alpha=1., beta=0.5, rho=1. 76 TaoLineSearch Object: 1 MPI process 77 type: more-thuente 78 maximum function evaluations=30 79 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 80 total number of function evaluations=0 81 total number of gradient evaluations=0 82 total number of function/gradient evaluations=1 83 using variable bounds 84 Termination reason: SUCCESS 85 KSP Object: 1 MPI process 86 type: stcg 87 maximum iterations=10000, initial guess is zero 88 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 89 left preconditioning 90 using DEFAULT norm type for convergence test 91 PC Object: 1 MPI process 92 type: lmvm 93 PC has not been set up so information may be incomplete 94 Mat Object: (tao_bqnls_) 1 MPI process 95 type: lmvmbfgs 96 rows=96, cols=96 97 Max. storage: 5 98 Used storage: 5 99 Number of updates: 15 100 Number of rejects: 0 101 Number of resets: 0 102 J0: 103 Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process 104 type: constantdiagonal 105 Diagonal value: 8.4222 106 Rescale type: scalar 107 Rescale history: 1 108 Rescale params: alpha=1., beta=0.5, rho=1. 109 total KSP iterations: 0 110 Active Set subset type: subvec 111 convergence tolerances: gatol=0.0001, grtol=1e-08, steptol=0., gttol=0. 112 Residual in Function/Gradient:=9.77511e-05 113 Objective value=-0.183437 114 total number of iterations=16, (max: 50) 115 total number of function/gradient evaluations=19, (max: unlimited) 116 Solution converged: ||g(X)|| <= gatol 117