================================================================================== 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: 44.323264931962086 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.021997476979565077 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 1.0910516522516247 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.010080859569832672 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 0.6439609512254684 calibrated c1 value: 0.010080859569832672 ---------------------------------------- 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 0.010080859569832672 setting k to 535.0 for uncoupled formulation running tension model measured stiffness in tension: 103.83710530691292, expected stiffness: 242 difference: -138.16289469308708 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 1246.8567918695687 setting c1 to 0.010080859569832672 setting k to 1246.8567918695687 for uncoupled formulation running tension model measured stiffness in tension: 240.0508708598672, expected stiffness: 242 difference: -1.9491291401328112 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 1256.9808330692533 setting c1 to 0.010080859569832672 setting k to 1256.9808330692533 for uncoupled formulation running tension model measured stiffness in tension: 241.98669313017575, expected stiffness: 242 difference: -0.013306869824248224 optimized c5 value: 1256.9808330692533 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 1256.9808330692533 setting k to 1256.9808330692533 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 422.55939178918976 Current stiffness in tension: 241.98669313017575 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.008064687655866138 setting k to 1256.9808330692533 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 421.7901958513142 stiffness in tension after reduction of c1 by 20%: 241.58030518000842 ratio of maximum result change/c1 change: 0.009101631070352695 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.010080859569832672 setting c5 to 1256.9808330692533 setting k to 1256.9808330692533 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.010080859569832672 setting c5 to 1256.9808330692533 setting k to 1256.9808330692533 for uncoupled formulation final results: c1 = 0.010080859569832672 c5 = 1256.9808330692533 k = 1256.9808330692533 stiffness in tension: 241.98669313017575 compression reaction force: 0.9710994850611342 ================================================================================== 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: 64.04021961096089 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.015224807252739692 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 2.969566939471141 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.002563472648212322 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 2.4124833194581887 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0005312933414992572 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 2.321402114468969 terminated c1 calibration, exceeded max iters. likely k is too high calibrated c1 value: 0.0005312933414992572 ---------------------------------------- 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 0.0005312933414992572 setting k to 5350.0 for uncoupled formulation running tension model measured stiffness in tension: 226.65054568978562, expected stiffness: 242 difference: -15.349454310214384 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 571.2318035942624 setting c1 to 0.0005312933414992572 setting k to 5712.318035942624 for uncoupled formulation running tension model measured stiffness in tension: 241.97649418457488, expected stiffness: 242 difference: -0.023505815425124865 optimized c5 value: 571.2318035942624 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 571.2318035942624 setting k to 5712.318035942624 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 461.17602506956064 Current stiffness in tension: 241.97649418457488 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0004250346731994058 setting k to 5712.318035942624 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 461.1580433641378 stiffness in tension after reduction of c1 by 20%: 241.96795301384117 ratio of maximum result change/c1 change: 0.00019495490274131413 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0005312933414992572 setting c5 to 571.2318035942624 setting k to 5712.318035942624 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0005312933414992572 setting c5 to 571.2318035942624 setting k to 5712.318035942624 for uncoupled formulation final results: c1 = 0.0005312933414992572 c5 = 571.2318035942624 k = 5712.318035942624 stiffness in tension: 241.97649418457488 compression reaction force: 2.476986968011742 ================================================================================== 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: 99.95013963471986 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00975486381072861 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 23.4136779482101 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0002083154947357243 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 22.98206161170925 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.0002083154947357243 ---------------------------------------- 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 0.0002083154947357243 setting k to 53500.0 for uncoupled formulation running tension model measured stiffness in tension: 462.2648114931702, expected stiffness: 242 difference: 220.2648114931702 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 280.0775589684115 setting c1 to 0.0002083154947357243 setting k to 28007.75589684115 for uncoupled formulation running tension model measured stiffness in tension: 242.77202944793785, expected stiffness: 242 difference: 0.7720294479378538 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 279.1868957247015 setting c1 to 0.0002083154947357243 setting k to 27918.68957247015 for uncoupled formulation running tension model measured stiffness in tension: 242.0055323686584, expected stiffness: 242 difference: 0.005532368658407449 optimization stopped optimized c5 value: 279.1868957247015 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 279.1868957247015 setting k to 27918.68957247015 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 526.0306674358825 Current stiffness in tension: 242.0055323686584 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00016665239578857944 setting k to 27918.68957247015 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 526.0284099593482 stiffness in tension after reduction of c1 by 20%: 242.0050091463701 ratio of maximum result change/c1 change: 2.145765136932434e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0002083154947357243 setting c5 to 279.1868957247015 setting k to 27918.68957247015 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0002083154947357243 setting c5 to 279.1868957247015 setting k to 27918.68957247015 for uncoupled formulation final results: c1 = 0.0002083154947357243 c5 = 279.1868957247015 k = 27918.68957247015 stiffness in tension: 242.0055323686584 compression reaction force: 11.997192083654408 ================================================================================== 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: 315.3045107239825 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.003092248816108802 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 229.8652795253124 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 6.726219859072472e-06 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 229.72550203016206 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 6.726219859072472e-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 6.726219859072472e-06 setting k to 535000.0 for uncoupled formulation running tension model measured stiffness in tension: 709.9254499617471, expected stiffness: 242 difference: 467.92544996174706 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 182.37126166835722 setting c1 to 6.726219859072472e-06 setting k to 182371.2616683572 for uncoupled formulation running tension model measured stiffness in tension: 242.43537333200894, expected stiffness: 242 difference: 0.43537333200893613 optimized c5 value: 182.37126166835722 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 182.37126166835722 setting k to 182371.2616683572 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 618.2946447819194 Current stiffness in tension: 242.43537333200894 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 5.380975887257978e-06 setting k to 182371.2616683572 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 618.2946447819194 stiffness in tension after reduction of c1 by 20%: 242.43549625793247 ratio of maximum result change/c1 change: 2.5352307677915305e-06 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 6.726219859072472e-06 setting c5 to 182.37126166835722 setting k to 182371.2616683572 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 6.726219859072472e-06 setting c5 to 182.37126166835722 setting k to 182371.2616683572 for uncoupled formulation final results: c1 = 6.726219859072472e-06 c5 = 182.37126166835722 k = 182371.2616683572 stiffness in tension: 242.43537333200894 compression reaction force: 78.30935929913103 ================================================================================== 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: 2385.2402735408023 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00040876385109523913 setting c5 to 535 setting k to 5350000.0 for uncoupled formulation total reaction force in compression: 2297.2686819153305 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.00040876385109523913 ---------------------------------------- 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 0.00040876385109523913 setting k to 5350000.0 for uncoupled formulation running tension model measured stiffness in tension: 1178.9763866626477, expected stiffness: 242 difference: 936.9763866626477 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 109.81560060460019 setting c1 to 0.00040876385109523913 setting k to 1098156.006046002 for uncoupled formulation running tension model measured stiffness in tension: 241.66265710985263, expected stiffness: 242 difference: -0.33734289014736873 optimized c5 value: 109.81560060460019 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 109.81560060460019 setting k to 1098156.006046002 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 751.7419898007627 Current stiffness in tension: 241.66265710985263 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0003270110808761913 setting k to 1098156.006046002 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 751.739736741939 stiffness in tension after reduction of c1 by 20%: 241.6622994803811 ratio of maximum result change/c1 change: 1.4985585840491639e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00040876385109523913 setting c5 to 109.81560060460019 setting k to 1098156.006046002 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00040876385109523913 setting c5 to 109.81560060460019 setting k to 1098156.006046002 for uncoupled formulation final results: c1 = 0.00040876385109523913 c5 = 109.81560060460019 k = 1098156.006046002 stiffness in tension: 241.66265710985263 compression reaction force: 471.55936126044617