================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 1.0 coupled: True 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 1.95 for coupled formulation total reaction force in compression: 19.92417605790513 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.04893552421773338 setting c5 to 535 setting k to 0.04893552421773338 for coupled formulation total reaction force in compression: 0.5293544606774935 calibrated c1 value: 0.04893552421773338 ---------------------------------------- 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 0.04893552421773338 setting k to 0.04893552421773338 for coupled formulation running tension model measured stiffness in tension: 26.77310664803674, expected stiffness: 242 difference: -215.22689335196327 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 4835.822816605931 setting c1 to 0.04893552421773338 setting k to 0.04893552421773338 for coupled formulation running tension model measured stiffness in tension: 108.58550212365473, expected stiffness: 242 difference: -133.41449787634525 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 10777.397522976493 setting c1 to 0.04893552421773338 setting k to 0.04893552421773338 for coupled formulation running tension model measured stiffness in tension: 198.5594876032433, expected stiffness: 242 difference: -43.4405123967567 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13135.25851643923 setting c1 to 0.04893552421773338 setting k to 0.04893552421773338 for coupled formulation running tension model measured stiffness in tension: 233.92045327264654, expected stiffness: 242 difference: -8.07954672735346 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13588.946654755811 setting c1 to 0.04893552421773338 setting k to 0.04893552421773338 for coupled formulation running tension model measured stiffness in tension: 241.043589358373, expected stiffness: 242 difference: -0.9564106416270022 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13642.86475821463 setting c1 to 0.04893552421773338 setting k to 0.04893552421773338 for coupled formulation running tension model measured stiffness in tension: 243.04925940472995, expected stiffness: 242 difference: 1.049259404729952 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13614.65768734466 setting c1 to 0.04893552421773338 setting k to 0.04893552421773338 for coupled formulation running tension model measured stiffness in tension: 242.0754295990206, expected stiffness: 242 difference: 0.07542959902059465 optimized c5 value: 13614.65768734466 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13614.65768734466 setting k to 0.04893552421773338 for coupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 326.9001126062975 Current stiffness in tension: 242.0754295990206 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.039148419374186706 setting k to 0.039148419374186706 for coupled formulation total reaction force in tension after reduction of c1 by 20%: 308.7191941013872 stiffness in tension after reduction of c1 by 20%: 233.59588855078982 ratio of maximum result change/c1 change: 0.2780806399844611 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 13614.65768734466 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 215.70254945174787, expected stiffness: 242 difference: -26.29745054825213 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15274.493364643491 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 244.51978559231333, expected stiffness: 242 difference: 2.519785592313326 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15129.35696069191 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model ERROR TERMINATION changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 7775.814096832417 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 133.81992246376194, expected stiffness: 242 difference: -108.18007753623806 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15103.806035441765 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model ERROR TERMINATION changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13543.733435050077 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 214.4612448088661, expected stiffness: 242 difference: -27.5387551911339 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15129.405019678179 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 243.42028873929158, expected stiffness: 242 difference: 1.4202887392915784 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15051.636171325565 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 240.86181809325325, expected stiffness: 242 difference: -1.1381819067467518 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15086.233049050365 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 241.1284589302685, expected stiffness: 242 difference: -0.8715410697315065 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15102.650561954353 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 239.6498153136859, expected stiffness: 242 difference: -2.350184686314094 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15119.326960309574 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model ERROR TERMINATION changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11721.926310301094 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 192.4539115119236, expected stiffness: 242 difference: -49.54608848807641 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15034.448228483978 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 240.29016485235917, expected stiffness: 242 difference: -1.709835147640831 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15086.31852657948 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 241.12968518469623, expected stiffness: 242 difference: -0.8703148153037716 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15102.6892395333 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 239.59831657873846, expected stiffness: 242 difference: -2.401683421261538 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15119.47712902194 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 241.45502589497553, expected stiffness: 242 difference: -0.5449741050244654 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15122.230167039634 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 243.22326096738786, expected stiffness: 242 difference: 1.2232609673878585 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15120.32562165349 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 243.2289589157798, expected stiffness: 242 difference: 1.228958915779799 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15119.737796424302 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 244.94535841055514, expected stiffness: 242 difference: 2.9453584105551442 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15119.517829151133 setting c1 to 0.02446776210886669 setting k to 0.02446776210886669 for coupled formulation running tension model measured stiffness in tension: 241.45568526751975, expected stiffness: 242 difference: -0.5443147324802453 optimization stopped optimized c5 value: 15119.517829151133 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15119.517829151133 setting k to 0.02446776210886669 for coupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 303.8940624327662 Current stiffness in tension: 241.45568526751975 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.019574209687093353 setting k to 0.019574209687093353 for coupled formulation total reaction force in tension after reduction of c1 by 20%: 292.98253797904067 stiffness in tension after reduction of c1 by 20%: 236.0080195590435 ratio of maximum result change/c1 change: 0.17952842458281978 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.02446776210886669 setting c5 to 15119.517829151133 setting k to 0.02446776210886669 for coupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.02446776210886669 setting c5 to 15119.517829151133 setting k to 0.02446776210886669 for coupled formulation final results: c1 = 0.02446776210886669 c5 = 15119.517829151133 k = 0.02446776210886669 stiffness in tension: 241.45568526751975 compression reaction force: 0.26737444010018985 ================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 10.0 coupled: True 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 19.5 for coupled formulation total reaction force in compression: 25.97853714789191 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0375309816118387 setting c5 to 535 setting k to 0.37530981611838704 for coupled formulation total reaction force in compression: 0.529154801978438 calibrated c1 value: 0.0375309816118387 ---------------------------------------- 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 0.0375309816118387 setting k to 0.37530981611838704 for coupled formulation running tension model measured stiffness in tension: 24.072747867853263, expected stiffness: 242 difference: -217.92725213214675 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 5378.2808971672985 setting c1 to 0.0375309816118387 setting k to 0.37530981611838704 for coupled formulation running tension model measured stiffness in tension: 110.20195759904354, expected stiffness: 242 difference: -131.79804240095646 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11810.53409096412 setting c1 to 0.0375309816118387 setting k to 0.37530981611838704 for coupled formulation running tension model measured stiffness in tension: 207.88871770284152, expected stiffness: 242 difference: -34.11128229715848 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13748.457740254993 setting c1 to 0.0375309816118387 setting k to 0.37530981611838704 for coupled formulation running tension model measured stiffness in tension: 235.47167644974164, expected stiffness: 242 difference: -6.528323550258364 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14129.626217919422 setting c1 to 0.0375309816118387 setting k to 0.37530981611838704 for coupled formulation running tension model measured stiffness in tension: 241.57518719288637, expected stiffness: 242 difference: -0.424812807113625 optimized c5 value: 14129.626217919422 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14129.626217919422 setting k to 0.37530981611838704 for coupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 316.19981470691914 Current stiffness in tension: 241.57518719288637 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.030024785289470963 setting k to 0.3002478528947096 for coupled formulation total reaction force in tension after reduction of c1 by 20%: 302.06884608679854 stiffness in tension after reduction of c1 by 20%: 233.79981141383806 ratio of maximum result change/c1 change: 0.22344998261966692 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0375309816118387 setting c5 to 14129.626217919422 setting k to 0.37530981611838704 for coupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0375309816118387 setting c5 to 14129.626217919422 setting k to 0.37530981611838704 for coupled formulation final results: c1 = 0.0375309816118387 c5 = 14129.626217919422 k = 0.37530981611838704 stiffness in tension: 241.57518719288637 compression reaction force: 0.529154801978438 ================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 100.0 coupled: True 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 195.0 for coupled formulation total reaction force in compression: 30.57259555766406 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.031891305995299546 setting c5 to 535 setting k to 3.1891305995299546 for coupled formulation total reaction force in compression: 0.5238813555789994 calibrated c1 value: 0.031891305995299546 ---------------------------------------- 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 0.031891305995299546 setting k to 3.1891305995299546 for coupled formulation running tension model measured stiffness in tension: 23.448726745914605, expected stiffness: 242 difference: -218.5512732540854 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 5521.4085354360295 setting c1 to 0.031891305995299546 setting k to 3.1891305995299546 for coupled formulation running tension model measured stiffness in tension: 111.64083587111278, expected stiffness: 242 difference: -130.35916412888722 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11968.567371872014 setting c1 to 0.031891305995299546 setting k to 3.1891305995299546 for coupled formulation running tension model measured stiffness in tension: 206.23873586311635, expected stiffness: 242 difference: -35.76126413688365 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14043.886042413515 setting c1 to 0.031891305995299546 setting k to 3.1891305995299546 for coupled formulation running tension model measured stiffness in tension: 237.3573217073072, expected stiffness: 242 difference: -4.642678292692807 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14318.582623943728 setting c1 to 0.031891305995299546 setting k to 3.1891305995299546 for coupled formulation running tension model measured stiffness in tension: 239.74838747569618, expected stiffness: 242 difference: -2.251612524303823 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14453.056520956357 setting c1 to 0.031891305995299546 setting k to 3.1891305995299546 for coupled formulation running tension model measured stiffness in tension: 242.16426724905122, expected stiffness: 242 difference: 0.16426724905122114 optimized c5 value: 14453.056520956357 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14453.056520956357 setting k to 3.1891305995299546 for coupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 320.6049061000315 Current stiffness in tension: 242.16426724905122 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.02551304479623964 setting k to 2.5513044796239637 for coupled formulation total reaction force in tension after reduction of c1 by 20%: 306.34753492163117 stiffness in tension after reduction of c1 by 20%: 235.52953859095834 ratio of maximum result change/c1 change: 0.22235110734630956 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.031891305995299546 setting c5 to 14453.056520956357 setting k to 3.1891305995299546 for coupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.031891305995299546 setting c5 to 14453.056520956357 setting k to 3.1891305995299546 for coupled formulation final results: c1 = 0.031891305995299546 c5 = 14453.056520956357 k = 3.1891305995299546 stiffness in tension: 242.16426724905122 compression reaction force: 0.5238813555789994 ================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 1000.0 coupled: True 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 1950.0 for coupled formulation total reaction force in compression: 40.904629476538474 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.02383593281438296 setting c5 to 535 setting k to 23.83593281438296 for coupled formulation total reaction force in compression: 0.5078508405963704 calibrated c1 value: 0.02383593281438296 ---------------------------------------- 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 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 24.916282719189805, expected stiffness: 242 difference: -217.0837172808102 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 5196.200470958933 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 108.56713600422489, expected stiffness: 242 difference: -133.4328639957751 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11582.515301160074 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 206.0754353439784, expected stiffness: 242 difference: -35.9245646560216 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13601.663382159351 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 235.91421809885247, expected stiffness: 242 difference: -6.085781901147527 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13952.539889322481 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 241.43176141129823, expected stiffness: 242 difference: -0.5682385887017745 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13985.378864315531 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 240.84951409657128, expected stiffness: 242 difference: -1.1504859034287165 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14052.183986583925 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 243.63554081154902, expected stiffness: 242 difference: 1.6355408115490206 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14012.965947753542 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model ERROR TERMINATION changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 6343.2371207830965 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model ERROR TERMINATION changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 5033.937322860212 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 105.9337078735242, expected stiffness: 242 difference: -136.0662921264758 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13945.07059417342 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 241.31533781451796, expected stiffness: 242 difference: -0.6846621854820398 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13976.67838428317 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 240.8241801798123, expected stiffness: 242 difference: -1.1758198201877121 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14008.257749348688 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model ERROR TERMINATION changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 8361.593117285242 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 156.94292767149383, expected stiffness: 242 difference: -85.05707232850617 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13944.825432360509 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 241.3118591321594, expected stiffness: 242 difference: -0.6881408678405876 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13976.618861438461 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 240.82321425450422, expected stiffness: 242 difference: -1.1767857454957777 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14008.23822011679 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model ERROR TERMINATION changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11869.114710462272 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 211.65022449295532, expected stiffness: 242 difference: -30.349775507044683 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13940.554673308692 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 241.24465237545562, expected stiffness: 242 difference: -0.7553476245443846 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13975.821453363784 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 240.81221487201896, expected stiffness: 242 difference: -1.1877851279810443 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14007.947493090156 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model ERROR TERMINATION changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 9643.311902109072 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 174.02871887835417, expected stiffness: 242 difference: -67.97128112164583 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13948.589395898856 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 241.369394438424, expected stiffness: 242 difference: -0.6306055615760044 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13977.416891690802 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 240.83464099371525, expected stiffness: 242 difference: -1.1653590062847456 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14008.524933061177 setting c1 to 0.02383593281438296 setting k to 23.83593281438296 for coupled formulation running tension model measured stiffness in tension: 241.99101457318991, expected stiffness: 242 difference: -0.008985426810085073 optimized c5 value: 14008.524933061177 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14008.524933061177 setting k to 23.83593281438296 for coupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 325.49785379982154 Current stiffness in tension: 241.99101457318991 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.01906874625150637 setting k to 19.06874625150637 for coupled formulation total reaction force in tension after reduction of c1 by 20%: 308.7578702864269 stiffness in tension after reduction of c1 by 20%: 232.47626546018864 ratio of maximum result change/c1 change: 0.25714429938591216 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 14008.524933061177 setting c1 to 0.01191796640719148 setting k to 11.91796640719148 for coupled formulation running tension model measured stiffness in tension: 220.37198656286293, expected stiffness: 242 difference: -21.62801343713707 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15383.366491701345 setting c1 to 0.01191796640719148 setting k to 11.91796640719148 for coupled formulation running tension model measured stiffness in tension: 241.75045253070246, expected stiffness: 242 difference: -0.24954746929753924 optimized c5 value: 15383.366491701345 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 15383.366491701345 setting k to 11.91796640719148 for coupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 305.1377527740545 Current stiffness in tension: 241.75045253070246 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.009534373125753184 setting k to 9.534373125753184 for coupled formulation total reaction force in tension after reduction of c1 by 20%: 295.41610583913666 stiffness in tension after reduction of c1 by 20%: 239.89894030636512 ratio of maximum result change/c1 change: 0.15929931394160232 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.01191796640719148 setting c5 to 15383.366491701345 setting k to 11.91796640719148 for coupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.01191796640719148 setting c5 to 15383.366491701345 setting k to 11.91796640719148 for coupled formulation final results: c1 = 0.01191796640719148 c5 = 15383.366491701345 k = 11.91796640719148 stiffness in tension: 241.75045253070246 compression reaction force: 0.25517793222643687 ================================================================================== intial guess c1: 1.95 intial guess c5: 535 ratio: 10000.0 coupled: True 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 19500.0 for coupled formulation total reaction force in compression: 64.7067555286069 changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.0150679784828487 setting c5 to 535 setting k to 150.679784828487 for coupled formulation total reaction force in compression: 0.5006251513897798 calibrated c1 value: 0.0150679784828487 ---------------------------------------- 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 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 34.127034879806416, expected stiffness: 242 difference: -207.87296512019358 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 3793.7664510258915 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 110.09937594920729, expected stiffness: 242 difference: -131.90062405079271 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 8338.752815200456 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 186.14749570375358, expected stiffness: 242 difference: -55.85250429624642 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 10840.748480925273 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 225.9712964898531, expected stiffness: 242 difference: -16.028703510146897 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11609.709609741158 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 237.03278221043803, expected stiffness: 242 difference: -4.967217789561971 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11853.000666646347 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model ERROR TERMINATION changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 9380.063651894527 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 204.38188966888237, expected stiffness: 242 difference: -37.618110331117634 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11106.538878939062 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 229.97816458754085, expected stiffness: 242 difference: -12.021835412459154 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11687.120007778618 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 237.15138155869826, expected stiffness: 242 difference: -4.848618441301738 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11926.066056597634 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 243.7430839941935, expected stiffness: 242 difference: 1.743083994193512 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11862.88009860757 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 242.6872202705593, expected stiffness: 242 difference: 0.687220270559294 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11841.061201154107 setting c1 to 0.0150679784828487 setting k to 150.679784828487 for coupled formulation running tension model measured stiffness in tension: 242.1567461586391, expected stiffness: 242 difference: 0.1567461586390948 optimized c5 value: 11841.061201154107 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 11841.061201154107 setting k to 150.679784828487 for coupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 366.02339256229243 Current stiffness in tension: 242.1567461586391 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.012054382786278961 setting k to 120.54382786278961 for coupled formulation total reaction force in tension after reduction of c1 by 20%: 339.3364499299184 stiffness in tension after reduction of c1 by 20%: 227.1102695381292 ratio of maximum result change/c1 change: 0.36455241898005564 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 11841.061201154107 setting c1 to 0.00753398924142435 setting k to 75.3398924142435 for coupled formulation running tension model measured stiffness in tension: 205.43657700490917, expected stiffness: 242 difference: -36.56342299509083 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 13948.52295757838 setting c1 to 0.00753398924142435 setting k to 75.3398924142435 for coupled formulation running tension model measured stiffness in tension: 236.5560598979913, expected stiffness: 242 difference: -5.443940102008696 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14269.524767996149 setting c1 to 0.00753398924142435 setting k to 75.3398924142435 for coupled formulation running tension model measured stiffness in tension: 243.9324215439295, expected stiffness: 242 difference: 1.9324215439295074 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14185.430353450565 setting c1 to 0.00753398924142435 setting k to 75.3398924142435 for coupled formulation running tension model measured stiffness in tension: 242.2342081492575, expected stiffness: 242 difference: 0.23420814925751188 optimized c5 value: 14185.430353450565 ---------------------------------------- running tension model with optimized c5 changing material properties in the following file: FeBio_custom_tension.feb setting c5 to 14185.430353450565 setting k to 75.3398924142435 for coupled formulation Checking that tension results are not sensitive to change in c1 Current total reaction force in tension: 335.211129023799 Current stiffness in tension: 242.2342081492575 changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.0060271913931394805 setting k to 60.271913931394806 for coupled formulation total reaction force in tension after reduction of c1 by 20%: 318.5358271195879 stiffness in tension after reduction of c1 by 20%: 236.69018673149566 ratio of maximum result change/c1 change: 0.24872834551723963 running compression and tension model with final calibrated results changing material properties in the following file: FeBio_custom_compression.feb setting c1 to 0.00753398924142435 setting c5 to 14185.430353450565 setting k to 75.3398924142435 for coupled formulation changing material properties in the following file: FeBio_custom_tension.feb setting c1 to 0.00753398924142435 setting c5 to 14185.430353450565 setting k to 75.3398924142435 for coupled formulation final results: c1 = 0.00753398924142435 c5 = 14185.430353450565 k = 75.3398924142435 stiffness in tension: 242.2342081492575 compression reaction force: 0.2504815295201624