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 -0.148934, Residual: 0.469316 7iter = 2, Function value -0.174261, Residual: 0.389839 8iter = 3, Function value -0.181461, Residual: 0.136975 9iter = 4, Function value -0.183053, Residual: 0.0365269 10iter = 5, Function value -0.183257, Residual: 0.0256819 11iter = 6, Function value -0.183361, Residual: 0.0212419 12iter = 7, Function value -0.183416, Residual: 0.0100034 13iter = 8, Function value -0.183432, Residual: 0.00615719 14iter = 9, Function value -0.183435, Residual: 0.00284752 15iter = 10, Function value -0.183437, Residual: 0.00195629 16iter = 11, Function value -0.183437, Residual: 0.00128882 17iter = 12, Function value -0.183437, Residual: 0.000568496 18iter = 13, Function value -0.183437, Residual: 0.000314177 19iter = 14, Function value -0.183437, Residual: 0.000171177 20iter = 15, Function value -0.183437, Residual: 0.000106319 21iter = 16, Function value -0.183437, Residual: 6.00378e-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: 1. 73 Rescale type: none 74 TaoLineSearch Object: 1 MPI process 75 type: more-thuente 76 maximum function evaluations=30 77 tolerances: ftol=0.0001, rtol=1e-10, gtol=0.9 78 total number of function evaluations=0 79 total number of gradient evaluations=0 80 total number of function/gradient evaluations=2 81 using variable bounds 82 Termination reason: SUCCESS 83 KSP Object: 1 MPI process 84 type: stcg 85 maximum iterations=10000, initial guess is zero 86 tolerances: relative=1e-05, absolute=1e-50, divergence=10000. 87 left preconditioning 88 using DEFAULT norm type for convergence test 89 PC Object: 1 MPI process 90 type: lmvm 91 PC has not been set up so information may be incomplete 92 Mat Object: (tao_bqnls_) 1 MPI process 93 type: lmvmbfgs 94 rows=96, cols=96 95 Max. storage: 5 96 Used storage: 5 97 Number of updates: 15 98 Number of rejects: 0 99 Number of resets: 0 100 J0: 101 Mat Object: (tao_bqnls_mat_lmvm_J0_) 1 MPI process 102 type: constantdiagonal 103 Diagonal value: 1. 104 Rescale type: none 105 total KSP iterations: 0 106 Active Set subset type: subvec 107 convergence tolerances: gatol=0.0001, grtol=1e-08, steptol=0., gttol=0. 108 Residual in Function/Gradient:=6.00378e-05 109 Objective value=-0.183437 110 total number of iterations=16, (max: 50) 111 total number of function/gradient evaluations=32, (max: unlimited) 112 Solution converged: ||g(X)|| <= gatol 113