================================================================================== 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: 40.280747601304526 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.02420511182291025 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 1.4850869928394768 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.008149391900817282 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 0.8130560132949021 calibrated c1 value: 0.008149391900817282 ---------------------------------------- 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 0.008149391900817282 setting k to 535.0 for uncoupled formulation running tension model measured stiffness in tension: 19.17734522456061, expected stiffness: 180 difference: -160.8226547754394 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 5021.550108858011 setting c1 to 0.008149391900817282 setting k to 5021.550108858011 for uncoupled formulation running tension model measured stiffness in tension: 176.54349404944026, expected stiffness: 180 difference: -3.4565059505597446 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 5119.865925737907 setting c1 to 0.008149391900817282 setting k to 5119.865925737907 for uncoupled formulation running tension model measured stiffness in tension: 180.01197892817112, expected stiffness: 180 difference: 0.011978928171117786 optimized c5 value: 5119.865925737907 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 5119.865925737907 setting k to 5119.865925737907 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 304.5318892267278 Current stiffness in tension: 180.01197892817112 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.006519513520653827 setting k to 5119.865925737907 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 303.9668338898176 stiffness in tension after reduction of c1 by 20%: 179.70852345758183 ratio of maximum result change/c1 change: 0.00927744116297598 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.008149391900817282 setting c5 to 5119.865925737907 setting k to 5119.865925737907 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.008149391900817282 setting c5 to 5119.865925737907 setting k to 5119.865925737907 for uncoupled formulation final results: c1 = 0.008149391900817282 c5 = 5119.865925737907 k = 5119.865925737907 stiffness in tension: 180.01197892817112 compression reaction force: 4.478202845908166 ================================================================================== 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: 67.51372871179609 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.014441507210512676 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 4.978187554893849 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0014504784172219296 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 4.316630084336623 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0001680105069096786 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 4.249877761453852 terminated c1 calibration, exceeded max iters. likely k is too high calibrated c1 value: 0.0001680105069096786 ---------------------------------------- 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 0.0001680105069096786 setting k to 5350.0 for uncoupled formulation running tension model measured stiffness in tension: 86.06895533271762, expected stiffness: 180 difference: -93.93104466728238 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 1118.8703247033977 setting c1 to 0.0001680105069096786 setting k to 11188.703247033976 for uncoupled formulation running tension model measured stiffness in tension: 180.0217527145736, expected stiffness: 180 difference: 0.0217527145736085 optimized c5 value: 1118.8703247033977 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 1118.8703247033977 setting k to 11188.703247033976 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 333.55267000730186 Current stiffness in tension: 180.0217527145736 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0001344084055277429 setting k to 11188.703247033976 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 333.54616914904 stiffness in tension after reduction of c1 by 20%: 180.01841925633283 ratio of maximum result change/c1 change: 9.744875167266018e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0001680105069096786 setting c5 to 1118.8703247033977 setting k to 11188.703247033976 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0001680105069096786 setting c5 to 1118.8703247033977 setting k to 11188.703247033976 for uncoupled formulation final results: c1 = 0.0001680105069096786 c5 = 1118.8703247033977 k = 11188.703247033976 stiffness in tension: 180.0217527145736 compression reaction force: 8.878316279177039 ================================================================================== 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: 129.59438390431893 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00752347417091665 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 42.802566433100715 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 8.788578346903149e-05 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 42.41504191038835 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 8.788578346903149e-05 ---------------------------------------- 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 8.788578346903149e-05 setting k to 53500.0 for uncoupled formulation running tension model measured stiffness in tension: 281.0962485765629, expected stiffness: 180 difference: 101.09624857656291 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 342.5872827817925 setting c1 to 8.788578346903149e-05 setting k to 34258.72827817925 for uncoupled formulation running tension model measured stiffness in tension: 181.15986245796347, expected stiffness: 180 difference: 1.1598624579634702 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 340.3938933494809 setting c1 to 8.788578346903149e-05 setting k to 34039.389334948086 for uncoupled formulation running tension model measured stiffness in tension: 180.02120075759407, expected stiffness: 180 difference: 0.02120075759407314 optimization stopped optimized c5 value: 340.3938933494809 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 340.3938933494809 setting k to 34039.389334948086 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 403.12243482470683 Current stiffness in tension: 180.02120075759407 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 7.030862677522519e-05 setting k to 34039.389334948086 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 403.1213029014964 stiffness in tension after reduction of c1 by 20%: 180.02040435160552 ratio of maximum result change/c1 change: 2.21197832588825e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 8.788578346903149e-05 setting c5 to 340.3938933494809 setting k to 34039.389334948086 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 8.788578346903149e-05 setting c5 to 340.3938933494809 setting k to 34039.389334948086 for uncoupled formulation final results: c1 = 8.788578346903149e-05 c5 = 340.3938933494809 k = 34039.389334948086 stiffness in tension: 180.02120075759407 compression reaction force: 26.98826907120944 ================================================================================== 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: 522.9548345909043 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0018644057488496504 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 424.20075462214817 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 2.1975511930787912e-06 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 424.10375217156474 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 2.1975511930787912e-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 2.1975511930787912e-06 setting k to 535000.0 for uncoupled formulation running tension model measured stiffness in tension: 692.2450897391647, expected stiffness: 180 difference: 512.2450897391647 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 139.112579384688 setting c1 to 2.1975511930787912e-06 setting k to 139112.579384688 for uncoupled formulation running tension model measured stiffness in tension: 180.90465157135364, expected stiffness: 180 difference: 0.9046515713536394 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 138.4169178168826 setting c1 to 2.1975511930787912e-06 setting k to 138416.9178168826 for uncoupled formulation running tension model measured stiffness in tension: 180.00559973032514, expected stiffness: 180 difference: 0.005599730325144492 optimization stopped optimized c5 value: 138.4169178168826 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 138.4169178168826 setting k to 138416.9178168826 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 507.3993449995772 Current stiffness in tension: 180.00559973032514 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 1.7580409544630332e-06 setting k to 138416.9178168826 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 507.3993449995772 stiffness in tension after reduction of c1 by 20%: 180.00559973032514 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 2.1975511930787912e-06 setting c5 to 138.4169178168826 setting k to 138416.9178168826 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 2.1975511930787912e-06 setting c5 to 138.4169178168826 setting k to 138416.9178168826 for uncoupled formulation final results: c1 = 2.1975511930787912e-06 c5 = 138.4169178168826 k = 138416.9178168826 stiffness in tension: 180.00559973032514 compression reaction force: 109.72564110425603 ================================================================================== 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: 4342.282299137171 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00022453629976884192 setting c5 to 535 setting k to 5350000.0 for uncoupled formulation total reaction force in compression: 4240.8509141680515 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.00022453629976884192 ---------------------------------------- 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 0.00022453629976884192 setting k to 5350000.0 for uncoupled formulation running tension model measured stiffness in tension: 1505.5627069549978, expected stiffness: 180 difference: 1325.5627069549978 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 63.962795807267874 setting c1 to 0.00022453629976884192 setting k to 639627.9580726788 for uncoupled formulation running tension model measured stiffness in tension: 178.97383923632276, expected stiffness: 180 difference: -1.0261607636772396 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 64.32715880543326 setting c1 to 0.00022453629976884192 setting k to 643271.5880543325 for uncoupled formulation running tension model measured stiffness in tension: 180.00050142660393, expected stiffness: 180 difference: 0.0005014266039324866 optimization stopped optimized c5 value: 64.32715880543326 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 64.32715880543326 setting k to 643271.5880543325 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 642.5485124043165 Current stiffness in tension: 180.00050142660393 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00017962903981507354 setting k to 643271.5880543325 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 642.5473440961374 stiffness in tension after reduction of c1 by 20%: 180.00033234852722 ratio of maximum result change/c1 change: 9.09120600662336e-06 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00022453629976884192 setting c5 to 64.32715880543326 setting k to 643271.5880543325 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00022453629976884192 setting c5 to 64.32715880543326 setting k to 643271.5880543325 for uncoupled formulation final results: c1 = 0.00022453629976884192 c5 = 64.32715880543326 k = 643271.5880543325 stiffness in tension: 180.00050142660393 compression reaction force: 509.9441091423647