$ k6modes see notes after enddata diag 8,15 sol 103 include 'SSSALTERDIR:k6esea.alt' cend title=measure loads in k6rot springs k6modes subtitle = flagpole to single point, 2x2 quad mesh label = modes run method = 1 disp = all spcf = all elforce = all ese = all $subcase 11 $label = tie down all edge points $spc = 11 subcase 12 label = tie down only corner points spc = 12 $ begin bulk $param, k6out, some $ default for alter. Only g.p. energy printed. eigrl, 1, , , 5 param, k6rot, 20. $ v2001 default cord2r, 1, 0, 0. 0. 0. 0. 0. 1. , 1. 0. 0. $ parallel to basic $ version with flagpole on center node grid, 1, 1, 0. 0. 0., =, 2, 1 10. 0. 0., =, 3, 1, 20. 0. 0., =, 11, 1, 0. 10., 0., =, 12, 1, 10. 10. 0. =, 13, 1, 20., 10., 0. =, 21, 1, 0., 20., = =, 22, 1, 10. 20. = =, 23, 1, 20., 20. = cquad4, 1 1 1 2 12 11 cquad4, 2, 1, 2, 3, 13, 12 cquad4, 11, 1, 11, 12, 22, 21 cquad4, 12, 1, 12, 13, 23, 22 pshell, 1, 1, .01, 1 cbar, 120, 120, 12, 120, 1. cbar, 21, 120, 1, 2, 0. 0. 1. =, 23, =, 2, 3, == $ bars around the periphery =, 313, =, 3, 13, == =, 1323, =, 13, 23, == =, 2322, =, 23, 22, == =, 2221, =, 22, 21, == =, 2111, =, 21, 11, == =, 111, =, 11, 1, == Conm2, 1200, 120, , 1.0 , 1000., , 1000., , , 2000.0 $ I33 to get a bar torsion mode Pbar, 120, 1 1. 2. 3. 4. grid, 120, 1, 10. 10. 10. mat1, 1, 3.+7, , .3 .3 param, wtmass, .00259 moment, 1, 120, , 1.0, 0. 0. 1. $ torque the flagpole spc1, 1, 123, 1 3 21 23 $ tie down corner points spc1, 2, 123, 2 11 13 22 $ tie down midside points spcadd, 11, 1, 2 spcadd, 12, 1 enddata