================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 1.0 coupled: False c1 calibration using compression model FeBio_custom_compression.feb changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 1.95 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 46.37615016643792 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.02102373734130265 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 1.0389654845806957 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.01011763030308335 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 0.6735865505916816 calibrated c1 value: 0.01011763030308335 ---------------------------------------- c5 calibration using tension model FeBio_custom_tension.feb Beginning optimization changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 535 setting c1 to 0.01011763030308335 setting k to 535.0 for uncoupled formulation running tension model measured stiffness in tension: 79.88927074158688, expected stiffness: 180 difference: -100.11072925841312 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 1205.418438622327 setting c1 to 0.01011763030308335 setting k to 1205.418438622327 for uncoupled formulation running tension model measured stiffness in tension: 178.70635266955586, expected stiffness: 180 difference: -1.293647330444145 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 1214.144409030751 setting c1 to 0.01011763030308335 setting k to 1214.144409030751 for uncoupled formulation running tension model measured stiffness in tension: 179.99498035431623, expected stiffness: 180 difference: -0.005019645683773888 optimization stopped optimized c5 value: 1214.144409030751 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 1214.144409030751 setting k to 1214.144409030751 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 291.57378292310506 Current stiffness in tension: 179.99498035431623 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.008094104242466682 setting k to 1214.144409030751 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 290.97769811394477 stiffness in tension after reduction of c1 by 20%: 179.66429769892986 ratio of maximum result change/c1 change: 0.010221851964610448 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.01011763030308335 setting c5 to 1214.144409030751 setting k to 1214.144409030751 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.01011763030308335 setting c5 to 1214.144409030751 setting k to 1214.144409030751 for uncoupled formulation final results: c1 = 0.01011763030308335 c5 = 1214.144409030751 k = 1214.144409030751 stiffness in tension: 179.99498035431623 compression reaction force: 1.078733036023742 ================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 10.0 coupled: False c1 calibration using compression model FeBio_custom_compression.feb changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 1.95 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 59.36635064234621 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.016423445090534658 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 3.736184113378381 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0021978902259830067 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 3.2121654089103195 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0003421197146146669 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 3.1432023609522823 terminated c1 calibration, exceeded max iters. likely k is too high calibrated c1 value: 0.0003421197146146669 ---------------------------------------- c5 calibration using tension model FeBio_custom_tension.feb Beginning optimization changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 535 setting c1 to 0.0003421197146146669 setting k to 5350.0 for uncoupled formulation running tension model measured stiffness in tension: 168.10079898431175, expected stiffness: 180 difference: -11.899201015688249 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 572.8705668376231 setting c1 to 0.0003421197146146669 setting k to 5728.705668376231 for uncoupled formulation running tension model measured stiffness in tension: 179.9762300007272, expected stiffness: 180 difference: -0.02376999927278689 optimized c5 value: 572.8705668376231 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 572.8705668376231 setting k to 5728.705668376231 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 320.4326799554159 Current stiffness in tension: 179.9762300007272 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00027369577169173353 setting k to 5728.705668376231 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 320.42262426690473 stiffness in tension after reduction of c1 by 20%: 179.9710595989097 ratio of maximum result change/c1 change: 0.0001569079738146215 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0003421197146146669 setting c5 to 572.8705668376231 setting k to 5728.705668376231 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0003421197146146669 setting c5 to 572.8705668376231 setting k to 5728.705668376231 for uncoupled formulation final results: c1 = 0.0003421197146146669 c5 = 572.8705668376231 k = 5728.705668376231 stiffness in tension: 179.9762300007272 compression reaction force: 3.364799624732504 ================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 100.0 coupled: False c1 calibration using compression model FeBio_custom_compression.feb changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 1.95 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 98.89606307174213 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.009858835323835956 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 31.67124541214633 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00015564331613014128 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 31.310370980644738 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.00015564331613014128 ---------------------------------------- c5 calibration using tension model FeBio_custom_tension.feb Beginning optimization changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 535 setting c1 to 0.00015564331613014128 setting k to 53500.0 for uncoupled formulation running tension model measured stiffness in tension: 351.40374636128223, expected stiffness: 180 difference: 171.40374636128223 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 274.04374881363066 setting c1 to 0.00015564331613014128 setting k to 27404.374881363066 for uncoupled formulation running tension model measured stiffness in tension: 180.97591172558447, expected stiffness: 180 difference: 0.9759117255844671 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 272.5659692282686 setting c1 to 0.00015564331613014128 setting k to 27256.596922826862 for uncoupled formulation running tension model measured stiffness in tension: 180.01174186534124, expected stiffness: 180 difference: 0.01174186534123578 optimization stopped optimized c5 value: 272.5659692282686 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 272.5659692282686 setting k to 27256.596922826862 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 373.7347236887282 Current stiffness in tension: 180.01174186534124 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00012451465290411304 setting k to 27256.596922826862 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 373.7337627837362 stiffness in tension after reduction of c1 by 20%: 180.01105079981232 ratio of maximum result change/c1 change: 1.9195012551703565e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00015564331613014128 setting c5 to 272.5659692282686 setting k to 27256.596922826862 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00015564331613014128 setting c5 to 272.5659692282686 setting k to 27256.596922826862 for uncoupled formulation final results: c1 = 0.00015564331613014128 c5 = 272.5659692282686 k = 27256.596922826862 stiffness in tension: 180.01174186534124 compression reaction force: 15.954554308475682 ================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 1000.0 coupled: False c1 calibration using compression model FeBio_custom_compression.feb changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 1.95 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 384.8521883622854 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0025334401868651233 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 313.13965833539834 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 4.045224102773339e-06 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 313.0464730411285 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 4.045224102773339e-06 ---------------------------------------- c5 calibration using tension model FeBio_custom_tension.feb Beginning optimization changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 535 setting c1 to 4.045224102773339e-06 setting k to 535000.0 for uncoupled formulation running tension model measured stiffness in tension: 625.2227081763217, expected stiffness: 180 difference: 445.2227081763217 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 154.02511575577967 setting c1 to 4.045224102773339e-06 setting k to 154025.11575577967 for uncoupled formulation running tension model measured stiffness in tension: 180.42803693190777, expected stiffness: 180 difference: 0.42803693190776926 optimized c5 value: 154.02511575577967 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 154.02511575577967 setting k to 154025.11575577967 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 452.0542079022824 Current stiffness in tension: 180.42803693190777 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 3.2361792822186713e-06 setting k to 154025.11575577967 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 452.0542079022824 stiffness in tension after reduction of c1 by 20%: 180.42803693190777 ratio of maximum result change/c1 change: 0.0 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 4.045224102773339e-06 setting c5 to 154.02511575577967 setting k to 154025.11575577967 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 4.045224102773339e-06 setting c5 to 154.02511575577967 setting k to 154025.11575577967 for uncoupled formulation final results: c1 = 4.045224102773339e-06 c5 = 154.02511575577967 k = 154025.11575577967 stiffness in tension: 180.42803693190777 compression reaction force: 90.12521468900921 ================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 10000.0 coupled: False c1 calibration using compression model FeBio_custom_compression.feb changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 1.95 setting c5 to 535 setting k to 5350000.0 for uncoupled formulation total reaction force in compression: 3202.5075597044265 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0003044489300409292 setting c5 to 535 setting k to 5350000.0 for uncoupled formulation total reaction force in compression: 3130.0155361058514 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.0003044489300409292 ---------------------------------------- c5 calibration using tension model FeBio_custom_tension.feb Beginning optimization changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 535 setting c1 to 0.0003044489300409292 setting k to 5350000.0 for uncoupled formulation running tension model measured stiffness in tension: 1243.67304272194, expected stiffness: 180 difference: 1063.67304272194 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 77.43192679422795 setting c1 to 0.0003044489300409292 setting k to 774319.2679422795 for uncoupled formulation running tension model measured stiffness in tension: 179.52591039588114, expected stiffness: 180 difference: -0.47408960411885914 optimized c5 value: 77.43192679422795 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 77.43192679422795 setting k to 774319.2679422795 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 563.1060617832132 Current stiffness in tension: 179.52591039588114 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00024355914403274338 setting k to 774319.2679422795 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 563.1038718122971 stiffness in tension after reduction of c1 by 20%: 179.52418550017083 ratio of maximum result change/c1 change: 4.804029976806685e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0003044489300409292 setting c5 to 77.43192679422795 setting k to 774319.2679422795 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0003044489300409292 setting c5 to 77.43192679422795 setting k to 774319.2679422795 for uncoupled formulation final results: c1 = 0.0003044489300409292 c5 = 77.43192679422795 k = 774319.2679422795 stiffness in tension: 179.52591039588114 compression reaction force: 453.02429209149483