================================================================================== 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: 56.470954302189725 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.01726551307744047 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 1.2804290902818476 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.006742080919779787 setting c5 to 535 setting k to 535.0 for uncoupled formulation total reaction force in compression: 0.810278612464256 calibrated c1 value: 0.006742080919779787 ---------------------------------------- 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 0.006742080919779787 setting k to 535.0 for uncoupled formulation running tension model measured stiffness in tension: 263.8002064250588, expected stiffness: 220 difference: 43.800206425058775 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 446.170992794263 setting c1 to 0.006742080919779787 setting k to 446.170992794263 for uncoupled formulation running tension model measured stiffness in tension: 219.66423230188818, expected stiffness: 220 difference: -0.33576769811182317 optimized c5 value: 446.170992794263 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 446.170992794263 setting k to 446.170992794263 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 408.80334338285445 Current stiffness in tension: 219.66423230188818 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00539366473582383 setting k to 446.170992794263 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 408.60521431083083 stiffness in tension after reduction of c1 by 20%: 219.55977239910072 ratio of maximum result change/c1 change: 0.0024232809641929233 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.006742080919779787 setting c5 to 446.170992794263 setting k to 446.170992794263 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.006742080919779787 setting c5 to 446.170992794263 setting k to 446.170992794263 for uncoupled formulation final results: c1 = 0.006742080919779787 c5 = 446.170992794263 k = 446.170992794263 stiffness in tension: 219.66423230188818 compression reaction force: 0.727355495137694 ================================================================================== 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: 77.3856605441861 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.012599233412801187 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 5.48092349132881 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0011493713999779437 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 4.905471778188108 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00011715197354600591 setting c5 to 535 setting k to 5350.0 for uncoupled formulation total reaction force in compression: 4.852898671196422 terminated c1 calibration, exceeded max iters. likely k is too high calibrated c1 value: 0.00011715197354600591 ---------------------------------------- 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 0.00011715197354600591 setting k to 5350.0 for uncoupled formulation running tension model measured stiffness in tension: 363.60365685059617, expected stiffness: 220 difference: 143.60365685059617 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 323.70411513315065 setting c1 to 0.00011715197354600591 setting k to 3237.0411513315066 for uncoupled formulation running tension model measured stiffness in tension: 219.58092249320683, expected stiffness: 220 difference: -0.41907750679317246 optimized c5 value: 323.70411513315065 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 323.70411513315065 setting k to 3237.0411513315066 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 429.47763863558714 Current stiffness in tension: 219.58092249320683 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 9.372157883680473e-05 setting k to 3237.0411513315066 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 429.47604306061123 stiffness in tension after reduction of c1 by 20%: 219.58039122598808 ratio of maximum result change/c1 change: 1.857576311746611e-05 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00011715197354600591 setting c5 to 323.70411513315065 setting k to 3237.0411513315066 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00011715197354600591 setting c5 to 323.70411513315065 setting k to 3237.0411513315066 for uncoupled formulation final results: c1 = 0.00011715197354600591 c5 = 323.70411513315065 k = 3237.0411513315066 stiffness in tension: 219.58092249320683 compression reaction force: 2.9388041409881334 ================================================================================== 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: 137.6682680197946 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.007082242073822051 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 48.826100119608164 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 7.25251664219838e-05 setting c5 to 535 setting k to 53500.0 for uncoupled formulation total reaction force in compression: 48.46862310433421 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 7.25251664219838e-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 7.25251664219838e-05 setting k to 53500.0 for uncoupled formulation running tension model measured stiffness in tension: 510.5540109270589, expected stiffness: 220 difference: 290.5540109270589 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 230.5338857024774 setting c1 to 7.25251664219838e-05 setting k to 23053.38857024774 for uncoupled formulation running tension model measured stiffness in tension: 221.74540831132484, expected stiffness: 220 difference: 1.7454083113248373 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 228.7193012959214 setting c1 to 7.25251664219838e-05 setting k to 22871.93012959214 for uncoupled formulation running tension model measured stiffness in tension: 220.02179243271402, expected stiffness: 220 difference: 0.021792432714022425 optimization stopped optimized c5 value: 228.7193012959214 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 228.7193012959214 setting k to 22871.93012959214 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 484.92172782419226 Current stiffness in tension: 220.02179243271402 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 5.8020133137587045e-05 setting k to 22871.93012959214 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 484.92172782419226 stiffness in tension after reduction of c1 by 20%: 220.0218190237471 ratio of maximum result change/c1 change: 6.042818027881425e-07 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 7.25251664219838e-05 setting c5 to 228.7193012959214 setting k to 22871.93012959214 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 7.25251664219838e-05 setting c5 to 228.7193012959214 setting k to 22871.93012959214 for uncoupled formulation final results: c1 = 7.25251664219838e-05 c5 = 228.7193012959214 k = 22871.93012959214 stiffness in tension: 220.02179243271402 compression reaction force: 20.723385812950546 ================================================================================== 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: 582.1254193470681 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0016748967964559827 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 484.7052316336187 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 1.7277478012884453e-06 setting c5 to 535 setting k to 535000.0 for uncoupled formulation total reaction force in compression: 484.6194283775672 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 1.7277478012884453e-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 1.7277478012884453e-06 setting k to 535000.0 for uncoupled formulation running tension model measured stiffness in tension: 825.5951883758803, expected stiffness: 220 difference: 605.5951883758803 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 142.5638153627575 setting c1 to 1.7277478012884453e-06 setting k to 142563.8153627575 for uncoupled formulation running tension model measured stiffness in tension: 220.32882065618654, expected stiffness: 220 difference: 0.32882065618653655 optimized c5 value: 142.5638153627575 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 142.5638153627575 setting k to 142563.8153627575 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 583.1389753446429 Current stiffness in tension: 220.32882065618654 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 1.3821982410307563e-06 setting k to 142563.8153627575 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 583.1389753446429 stiffness in tension after reduction of c1 by 20%: 220.3292150594727 ratio of maximum result change/c1 change: 8.950333528235848e-06 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 1.7277478012884453e-06 setting c5 to 142.5638153627575 setting k to 142563.8153627575 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 1.7277478012884453e-06 setting c5 to 142.5638153627575 setting k to 142563.8153627575 for uncoupled formulation final results: c1 = 1.7277478012884453e-06 c5 = 142.5638153627575 k = 142563.8153627575 stiffness in tension: 220.32882065618654 compression reaction force: 129.14622111854453 ================================================================================== 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: 4945.490652796748 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.000197149295884044 setting c5 to 535 setting k to 5350000.0 for uncoupled formulation total reaction force in compression: 4846.202277433331 terminated c1 calibration, reduction in c1 not reducing reation force. likely k is too high calibrated c1 value: 0.000197149295884044 ---------------------------------------- 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 0.000197149295884044 setting k to 5350000.0 for uncoupled formulation running tension model measured stiffness in tension: 1733.9443710662017, expected stiffness: 220 difference: 1513.9443710662017 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 67.87991700542638 setting c1 to 0.000197149295884044 setting k to 678799.1700542638 for uncoupled formulation running tension model measured stiffness in tension: 218.6989601856809, expected stiffness: 220 difference: -1.3010398143190969 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 68.28100175491974 setting c1 to 0.000197149295884044 setting k to 682810.0175491974 for uncoupled formulation running tension model measured stiffness in tension: 220.00066436348075, expected stiffness: 220 difference: 0.0006643634807517174 optimization stopped optimized c5 value: 68.28100175491974 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 68.28100175491974 setting k to 682810.0175491974 for uncoupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 720.5016506046326 Current stiffness in tension: 220.00066436348075 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00015771943670723522 setting k to 682810.0175491974 for uncoupled formulation total reaction force in tension after reduction of c1 by 20%: 720.5003274433677 stiffness in tension after reduction of c1 by 20%: 220.00027440181648 ratio of maximum result change/c1 change: 9.182222301220859e-06 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.000197149295884044 setting c5 to 68.28100175491974 setting k to 682810.0175491974 for uncoupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.000197149295884044 setting c5 to 68.28100175491974 setting k to 682810.0175491974 for uncoupled formulation final results: c1 = 0.000197149295884044 c5 = 68.28100175491974 k = 682810.0175491974 stiffness in tension: 220.00066436348075 compression reaction force: 618.5201914844818