================================================================================== 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: 52.74295500595316 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.018485881192852213 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 0.9755302262221299 calibrated c1 value: 0.018485881192852213 ---------------------------------------- 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 0.018485881192852213 setting k to 535.0 for uncoupled formulation running tension model measured stiffness in tension: 279.7973765342597, expected stiffness: 180 difference: 99.79737653425968 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 344.1776373775562 setting c1 to 0.018485881192852213 setting k to 344.1776373775562 for uncoupled formulation running tension model measured stiffness in tension: 179.97849215085373, expected stiffness: 180 difference: -0.021507849146274793 optimization stopped optimized c5 value: 344.1776373775562 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 344.1776373775562 setting k to 344.1776373775562 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 347.10506326471244 Current stiffness in tension: 179.97849215085373 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.014788704954281771 setting k to 344.1776373775562 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 346.6001826730621 stiffness in tension after reduction of c1 by 20%: 179.73233516478328 ratio of maximum result change/c1 change: 0.0072727344698127585 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.018485881192852213 setting c5 to 344.1776373775562 setting k to 344.1776373775562 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.018485881192852213 setting c5 to 344.1776373775562 setting k to 344.1776373775562 for uncoupled formulation final results: c1 = 0.018485881192852213 c5 = 344.1776373775562 k = 344.1776373775562 stiffness in tension: 179.97849215085373 compression reaction force: 0.8633089817985214 ================================================================================== 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: 66.14721459275515 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.014739849682299215 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 3.269959335817496 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.002253827673152734 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 2.756177101494024 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0004088684417142526 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 2.679346003225414 terminated c1 calibration, exceeded max iters. likely k is too high calibrated c1 value: 0.0004088684417142526 ---------------------------------------- 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 0.0004088684417142526 setting k to 5350.0 for uncoupled formulation running tension model measured stiffness in tension: 359.25787123251104, expected stiffness: 180 difference: 179.25787123251104 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 268.0525820342425 setting c1 to 0.0004088684417142526 setting k to 2680.525820342425 for uncoupled formulation running tension model measured stiffness in tension: 180.29993577877562, expected stiffness: 180 difference: 0.2999357787756196 optimized c5 value: 268.0525820342425 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 268.0525820342425 setting k to 2680.525820342425 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 367.6969893268097 Current stiffness in tension: 180.29993577877562 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0003270947533714021 setting k to 2680.525820342425 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 367.68970802294695 stiffness in tension after reduction of c1 by 20%: 180.29731275947682 ratio of maximum result change/c1 change: 9.90122855794064e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0004088684417142526 setting c5 to 268.0525820342425 setting k to 2680.525820342425 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0004088684417142526 setting c5 to 268.0525820342425 setting k to 2680.525820342425 for uncoupled formulation final results: c1 = 0.0004088684417142526 c5 = 268.0525820342425 k = 2680.525820342425 stiffness in tension: 180.29993577877562 compression reaction force: 1.3511535106763404 ================================================================================== 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: 101.23666929774014 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00963089764571862 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 27.020652892556093 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00017821363688017754 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 26.6261784920405 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.00017821363688017754 ---------------------------------------- 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 0.00017821363688017754 setting k to 53500.0 for uncoupled formulation running tension model measured stiffness in tension: 471.3728109897727, expected stiffness: 180 difference: 291.3728109897727 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 204.2968914515721 setting c1 to 0.00017821363688017754 setting k to 20429.68914515721 for uncoupled formulation running tension model measured stiffness in tension: 181.7116896998777, expected stiffness: 180 difference: 1.7116896998776951 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 202.37245342894263 setting c1 to 0.00017821363688017754 setting k to 20237.245342894264 for uncoupled formulation running tension model measured stiffness in tension: 180.02278834893607, expected stiffness: 180 difference: 0.022788348936074954 optimization stopped optimized c5 value: 202.37245342894263 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 202.37245342894263 setting k to 20237.245342894264 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 415.9477127572647 Current stiffness in tension: 180.02278834893607 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00014257090950414204 setting k to 20237.245342894264 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 415.9460372440156 stiffness in tension after reduction of c1 by 20%: 180.02240194520957 ratio of maximum result change/c1 change: 2.0140911918836244e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00017821363688017754 setting c5 to 202.37245342894263 setting k to 20237.245342894264 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00017821363688017754 setting c5 to 202.37245342894263 setting k to 20237.245342894264 for uncoupled formulation final results: c1 = 0.00017821363688017754 c5 = 202.37245342894263 k = 20237.245342894264 stiffness in tension: 180.02278834893607 compression reaction force: 10.07672199641828 ================================================================================== 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: 346.2668492088147 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.002815747456702188 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 266.3011290963671 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 5.286773409967868e-06 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 266.1839139936897 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 5.286773409967868e-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 5.286773409967868e-06 setting k to 535000.0 for uncoupled formulation running tension model measured stiffness in tension: 689.7382773206295, expected stiffness: 180 difference: 509.73827732062955 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 139.6181757145461 setting c1 to 5.286773409967868e-06 setting k to 139618.17571454612 for uncoupled formulation running tension model measured stiffness in tension: 180.41653298729358, expected stiffness: 180 difference: 0.41653298729357857 optimized c5 value: 139.6181757145461 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 139.6181757145461 setting k to 139618.17571454612 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 494.0126102499814 Current stiffness in tension: 180.41653298729358 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 4.229418727974294e-06 setting k to 139618.17571454612 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 494.0120857337399 stiffness in tension after reduction of c1 by 20%: 180.4161625822894 ratio of maximum result change/c1 change: 1.0265273311079405e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 5.286773409967868e-06 setting c5 to 139.6181757145461 setting k to 139618.17571454612 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 5.286773409967868e-06 setting c5 to 139.6181757145461 setting k to 139618.17571454612 for uncoupled formulation final results: c1 = 5.286773409967868e-06 c5 = 139.6181757145461 k = 139618.17571454612 stiffness in tension: 180.41653298729358 compression reaction force: 69.46618145731058 ================================================================================== 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: 2742.7565427868367 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00035548178804427544 setting c5 to 535 setting k to 5350000.0 for uncoupled formulation total reaction force in compression: 2661.475835020863 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.00035548178804427544 ---------------------------------------- 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 0.00035548178804427544 setting k to 5350000.0 for uncoupled formulation running tension model measured stiffness in tension: 1219.7743837988855, expected stiffness: 180 difference: 1039.7743837988855 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 78.94902637656784 setting c1 to 0.00035548178804427544 setting k to 789490.2637656784 for uncoupled formulation running tension model measured stiffness in tension: 178.95349570862413, expected stiffness: 180 difference: -1.046504291375868 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 79.40756761689475 setting c1 to 0.00035548178804427544 setting k to 794075.6761689475 for uncoupled formulation running tension model measured stiffness in tension: 180.00090207961554, expected stiffness: 180 difference: 0.0009020796155425614 optimization stopped optimized c5 value: 79.40756761689475 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 79.40756761689475 setting k to 794075.6761689475 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 594.3032137654986 Current stiffness in tension: 180.00090207961554 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0002843854304354204 setting k to 794075.6761689475 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 594.3007868259978 stiffness in tension after reduction of c1 by 20%: 179.9998374029267 ratio of maximum result change/c1 change: 2.9574204255505815e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00035548178804427544 setting c5 to 79.40756761689475 setting k to 794075.6761689475 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00035548178804427544 setting c5 to 79.40756761689475 setting k to 794075.6761689475 for uncoupled formulation final results: c1 = 0.00035548178804427544 c5 = 79.40756761689475 k = 794075.6761689475 stiffness in tension: 180.00090207961554 compression reaction force: 395.0985641343182