================================================================================== 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: 33.58543404602656 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.02903044214536065 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 1.1157808215958007 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.013009025421247619 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 0.6516966167788812 calibrated c1 value: 0.013009025421247619 ---------------------------------------- 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 0.013009025421247619 setting k to 535.0 for uncoupled formulation running tension model measured stiffness in tension: 48.80362037829875, expected stiffness: 242 difference: -193.19637962170125 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 2652.876958644051 setting c1 to 0.013009025421247619 setting k to 2652.876958644051 for uncoupled formulation running tension model measured stiffness in tension: 233.80649918842627, expected stiffness: 242 difference: -8.193500811573728 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 2745.8442182758617 setting c1 to 0.013009025421247619 setting k to 2745.8442182758617 for uncoupled formulation running tension model measured stiffness in tension: 241.92688230939999, expected stiffness: 242 difference: -0.07311769060001438 optimized c5 value: 2745.8442182758617 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 2745.8442182758617 setting k to 2745.8442182758617 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 430.3972767971586 Current stiffness in tension: 241.92688230939999 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.010407220336998096 setting k to 2745.8442182758617 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 429.36447237545167 stiffness in tension after reduction of c1 by 20%: 241.3789647828726 ratio of maximum result change/c1 change: 0.011998268546128498 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.013009025421247619 setting c5 to 2745.8442182758617 setting k to 2745.8442182758617 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.013009025421247619 setting c5 to 2745.8442182758617 setting k to 2745.8442182758617 for uncoupled formulation final results: c1 = 0.013009025421247619 c5 = 2745.8442182758617 k = 2745.8442182758617 stiffness in tension: 241.92688230939999 compression reaction force: 1.6706590932215943 ================================================================================== 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: 49.94052165774403 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.019523224180194594 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 3.062492906666724 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0031874725550701836 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 2.521374351487894 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0006320903028915989 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 2.4349688357309627 terminated c1 calibration, exceeded max iters. likely k is too high calibrated c1 value: 0.0006320903028915989 ---------------------------------------- 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 0.0006320903028915989 setting k to 5350.0 for uncoupled formulation running tension model measured stiffness in tension: 134.05963444728133, expected stiffness: 242 difference: -107.94036555271867 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 965.7642327147611 setting c1 to 0.0006320903028915989 setting k to 9657.64232714761 for uncoupled formulation running tension model measured stiffness in tension: 241.44475409759488, expected stiffness: 242 difference: -0.5552459024051188 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 967.9851823266443 setting c1 to 0.0006320903028915989 setting k to 9679.851823266443 for uncoupled formulation running tension model measured stiffness in tension: 241.99883723913464, expected stiffness: 242 difference: -0.0011627608653554944 optimization stopped optimized c5 value: 967.9851823266443 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 967.9851823266443 setting k to 9679.851823266443 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 465.0233690098165 Current stiffness in tension: 241.99883723913464 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0005056722423132791 setting k to 9679.851823266443 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 465.00335661284214 stiffness in tension after reduction of c1 by 20%: 241.98854911463812 ratio of maximum result change/c1 change: 0.00021517625035697398 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0006320903028915989 setting c5 to 967.9851823266443 setting k to 9679.851823266443 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0006320903028915989 setting c5 to 967.9851823266443 setting k to 9679.851823266443 for uncoupled formulation final results: c1 = 0.0006320903028915989 c5 = 967.9851823266443 k = 9679.851823266443 stiffness in tension: 241.99883723913464 compression reaction force: 4.388188727357108 ================================================================================== 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: 84.35115794113321 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.011558821761290233 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 24.52608473143645 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.000235643436118335 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 24.142148319669065 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.000235643436118335 ---------------------------------------- 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 0.000235643436118335 setting k to 53500.0 for uncoupled formulation running tension model measured stiffness in tension: 314.90246002590766, expected stiffness: 242 difference: 72.90246002590766 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 411.1431837952242 setting c1 to 0.000235643436118335 setting k to 41114.318379522425 for uncoupled formulation running tension model measured stiffness in tension: 242.45411398869325, expected stiffness: 242 difference: 0.45411398869325126 optimized c5 value: 411.1431837952242 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 411.1431837952242 setting k to 41114.318379522425 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 529.8995799186955 Current stiffness in tension: 242.45411398869325 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00018851474889466802 setting k to 41114.318379522425 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 529.8959851907259 stiffness in tension after reduction of c1 by 20%: 242.45185397634302 ratio of maximum result change/c1 change: 4.660701179811109e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.000235643436118335 setting c5 to 411.1431837952242 setting k to 41114.318379522425 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.000235643436118335 setting c5 to 411.1431837952242 setting k to 41114.318379522425 for uncoupled formulation final results: c1 = 0.000235643436118335 c5 = 411.1431837952242 k = 41114.318379522425 stiffness in tension: 242.45411398869325 compression reaction force: 18.554862458291087 ================================================================================== 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: 306.3388201772834 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.003182750391986726 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 241.4480419658855 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 6.590963351933955e-06 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 241.34028921133333 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 6.590963351933955e-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 6.590963351933955e-06 setting k to 535000.0 for uncoupled formulation running tension model measured stiffness in tension: 542.5357946429106, expected stiffness: 242 difference: 300.53579464291056 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 238.6386322864012 setting c1 to 6.590963351933955e-06 setting k to 238638.6322864012 for uncoupled formulation running tension model measured stiffness in tension: 242.4045259427579, expected stiffness: 242 difference: 0.404525942757914 optimized c5 value: 238.6386322864012 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 238.6386322864012 setting k to 238638.6322864012 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 629.108402310357 Current stiffness in tension: 242.4045259427579 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 5.272770681547164e-06 setting k to 238638.6322864012 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 629.108402310357 stiffness in tension after reduction of c1 by 20%: 242.4045259427579 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 6.590963351933955e-06 setting c5 to 238.6386322864012 setting k to 238638.6322864012 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 6.590963351933955e-06 setting c5 to 238.6386322864012 setting k to 238638.6322864012 for uncoupled formulation final results: c1 = 6.590963351933955e-06 c5 = 238.6386322864012 k = 238638.6322864012 stiffness in tension: 242.4045259427579 compression reaction force: 107.65102910562443 ================================================================================== 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: 2479.110021863491 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0003932862968570933 setting c5 to 535 setting k to 5350000.0 for uncoupled formulation total reaction force in compression: 2413.06269527441 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.0003932862968570933 ---------------------------------------- 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 0.0003932862968570933 setting k to 5350000.0 for uncoupled formulation running tension model measured stiffness in tension: 994.3297126429998, expected stiffness: 242 difference: 752.3297126429998 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 130.20831858263537 setting c1 to 0.0003932862968570933 setting k to 1302083.1858263537 for uncoupled formulation running tension model measured stiffness in tension: 241.73684294554923, expected stiffness: 242 difference: -0.2631570544507724 optimized c5 value: 130.20831858263537 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 130.20831858263537 setting k to 1302083.1858263537 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 771.9466729704909 Current stiffness in tension: 241.73684294554923 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00031462903748567464 setting k to 1302083.1858263537 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 771.9444858449602 stiffness in tension after reduction of c1 by 20%: 241.73604793798057 ratio of maximum result change/c1 change: 1.644365746999954e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0003932862968570933 setting c5 to 130.20831858263537 setting k to 1302083.1858263537 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0003932862968570933 setting c5 to 130.20831858263537 setting k to 1302083.1858263537 for uncoupled formulation final results: c1 = 0.0003932862968570933 c5 = 130.20831858263537 k = 1302083.1858263537 stiffness in tension: 241.73684294554923 compression reaction force: 587.3015064621324